Management, 2nd Edition
|
|
- Piers Blair
- 5 years ago
- Views:
Transcription
1 Greenhouse Technology and Management, 2nd Edition Nicolas Castilla, PhD Research Coordinator, Department of Horticulture IFAPA (Institute for Agricultural Research and Training), Granada, Spain Based on the second edition of the book Invernaderos de Plastico: Tecnologi'a y Manejo by Nicolas Castilla, PhD Published by Ediciones Mundi-Prensa, Madrid (Spain) and Mexico Translated by Esteban J. Baeza, PhD Agricultural Engineer IFAPA, Spain Reviewed by A.P. Papadopoulos, PhD Senior Research Scientist, Greenhouse Crops Agriculture and Agri-Food Canada, Harrow, Ontario, Canada Adjunct Professor (Laval and Guelph Universities, Canada) papadopoulost@agr.gc.ca
2 Contents Foreword Preface to the First Edition (Spanish) Preface to the Second Edition (Spanish) Acknowledgements xv xvii xix xxi 1 Protected Cultivation Introduction Types of Protection Objectives of Protected Cultivation History Importance Plastic Materials Summary 10 2 The External Climate Introduction The Earth and the Sun Introduction The seasons Day Length Solar Radiation Introduction Quality of solar radiation Quantity of solar radiation Measurement of solar radiation The Earth's Radiation Net Radiation Temperature Air temperature Soil temperature The relationship between solar radiation and air temperature Wind Composition of the Atmosphere Water vapour content C02 content Atmospheric pollution 27 v
3 vi Contents 2.10 Rainfall Altitude and Topography Summary 28 3 The Greenhouse Climate Introduction The Greenhouse Effect Solar Radiation in Greenhouses Introduction Transmissivity to radiation Orientation and transmissivity Optimization of the transmissivity Temperature Air temperature Plant temperature Soil temperature Thermal inertia in the greenhouse The Wind Inside the Greenhouse The Greenhouse Atmosphere Greenhouse ventilation Air humidity C02 content Pollutant gases Summary 41 4 The Plastic Greenhouse Introduction Evolution of the Greenhouse Concept Geographical Production Areas Climatic Suitability for Greenhouse Vegetable Production Introduction Climate requirements of vegetables Obtaining the required climate conditions Climate suitability The Plastics Introduction Plastic materials commonly used in agriculture Plastic additives Properties of plastic films Plastic films most commonly used in greenhouses Rigid plastic materials Greenhouse Construction Introduction Greenhouse types Structure materials Covering materials Greenhouse screens The Selection of the Greenhouse: Options Greenhouse Site Selection Criteria for the Design and Construction of Greenhouses Introduction Criteria for the design of plastic-film greenhouses 73
4 Contents vii Design criteria in areas with a Mediterranean climate Design criteria in humid tropical climates Greenhouses for other climate conditions Maximizing the Radiation Inside the Greenhouse Introduction Factors determining the available solar radiation Solar radiation inside the greenhouse Greenhouse orientation Normalization of Greenhouse Structures Summary 82 5 Greenhouse Heat Exchanges Heat Transfer Conduction Convection Radiation Heat Exchanges by Air Renewal in the Greenhouse Heat Exchanges in the Greenhouse and Energy Balance Simplified Greenhouse Energy Balances Summary 89 6 Crop Physiology: Photosynthesis, Growth, Development and Productivity Introduction Physiological Functions and Growth Photosynthesis Introduction The stomata Internal factors affecting photosynthesis External factors influencing photosynthesis Photomorphogenesis Introduction Vegetable pigments Periodic rhythms in plants Photoperiodism Respiration Distribution of Assimilates and Sink-Source Relations Introduction Distribution of assimilates between organs Management of the assimilate distribution Growth Introduction Influence of the microclimate on growth Growth analysis Development Introduction Development stages in greenhouse crops Bioproductivity Bioproductivity and harvest index (HI) Interception of radiation by the crop Efficiency in the use of solar radiation Strategies to maximize the use of radiation 110
5 Heating viii Contents 6.10 Production Quality Introduction Effects of climate factors on quality Other factors affecting quality Summary Facilities and Active and Passive Climate Control Equipment: Low Temperature Management Introduction Reduction of Heat Losses Reduction of the exchange surfaces Reduction of heat losses per unit surface Total heat losses Insulation Devices Inflated double cover Mobile thermal screens External double sidewalls Windbreaks Other insulation devices Heating Convective heating Radiative-convective heating Soil or substrate heating Heat production Sizing of the heating systems Heating and temperature management Summary Management of High Temperatures: Cooling Introduction Function of Ventilation How Airtight is the Greenhouse? Natural Ventilation The thermal effect The wind effect Characteristics of the openings The crop and air movements Measuring the ventilation of greenhouses Anti-insect screens Screenhouses Mechanical or Forced Ventilation Cooling by Water Evaporation Pad and fan Fogging and misting Cooling by evapotranspiration Shading Other Cooling Methods Ventilation and Climate Management Temperature management Humidity management 151
6 Light Contents 8.10 Dehumidification Associated heating Dehumidification systems Summary Air Movement in the Greenhouse: Carbon Dioxide Enrichment - Management Air Movement Inside the Greenhouse Introduction Air movement: objectives Plant responses Air movement regulation Carbon Enrichment (COJ Introduction Recommended C02 concentrations C02 enrichment techniques Distribution of C COz balance C02 control Light Introduction Light increase Artificial light to increase the illumination Partial light reduction Control of the duration of day/night Summary The Root Medium: Soil and Substrates Introduction Desirable Characteristics of Horticultural Soils Physical and hydraulic characteristics Chemical characteristics Considerations on the management of greenhouse soils Soilless Cultivation Introduction: systems Advantages and disadvantages of substrate-grown crops Substrate cultivation systems Characteristics of the substrates Types of substrate Changes in the Management of the Root Medium Summary Irrigation and Fertilization The Plants and Water Transpiration Evapotranspiration The Water in the Soil Introduction Characterization of the soil water stress Measurement of the soil water content Quality of the irrigation water 184
7 X Contents 11.5 The Water in the Plant Introduction Characterization of the water in the plant Water stress Effects of water stress in the plant Saline stress Greenhouse Irrigation Introduction Components of the drip irrigation system Management of drip irrigation Water and salts movements with drip irrigation Greenhouse irrigation scheduling (soil-grown crops) Irrigation scheduling in soilless crops Water use efficiency Quality of the irrigation water Fertilization Introduction The nutrients cycle (soil cultivation) Nutrients extractions Tolerance to salinity Fertigation A practical example: a soil-grown tomato crop Fertigation of soilless crops Summary Regulation and Control Systems: Computer Climate Management Mechanization Regulation and Control Systems Introduction Input-output systems Regulation methods Application to climate management Types of controllers Selection of the type of automatic control Models Computer Climate Management Controls performed by greenhouse management systems Digital control systems The climate control computer Functions of climate control computers Towards integrated control Mechanization Introduction Mechanization of operations Occupancy of the greenhouse Summary Plant Protection Introduction Chemical Control Main aspects Treatment equipment 221
8 Contents 13.3 Biological Control Integrated Pest Management Climate Control and IPM Most Common Greenhouse Diseases Most Common Greenhouse Pests Prophylaxis Other Aspects Summary Economic and Environmental Analysis Economic Analysis Introduction Greenhouse structures and equipment The Spanish greenhouse horticultural farm Production costs Other aspects of interest Environmental Analysis Introduction Most important residues Environmental impact assessment Summary Postharvest Introduction Postharvest Respiratory Metabolism Ripening Ethylene Postharvest Handling Quality Food Safety: Traceability Postharvest Pathologies Summary Marketing Introduction Postharvest Alterations: Storage Standardization and Classification Marketing Channels Transport Distribution Quality Quality Management Future Prospects Summary Greenhouse Production Strategies Introduction Crop Productivity and Production Costs Destination of the Produce Greenhouse Production Options Production Strategies and Tactics in Mediterranean Climates General aspects 263
9 xii Contents Biological aspects Strategies and tactical management Future perspectives Summary 265 Appendix A.l Chapter A.l.l Calculation of the zenith angle 267 A.l.2 Calculation of global radiation as a function of insolation 267 A.1.3 Day length 267 A. 1.4 Wien's law 268 A.1.5 Wavelength and frequency 268 A. 1.6 Hellman's equation 268 A. 1.7 Saturation vapour pressure 268 A.2 Chapter A.2.1 Thermal integral 268 A.3 Chapter A.3.1 Diffuse solar radiation inside a greenhouse 269 A.4 Chapter A.4.1 Conduction 269 A.4.2 Convection without phase change 269 A.4.3 Evaporation and condensation 270 A.4.4 Radiation 270 A.4.5 Air renewal 270 A.4.6 Energy balance 271 A.4.7 Specific heat of a body 271 A.4.8 Latent heat of vaporization 271 A.4.9 Global heat transfer coefficient 271 A. 5 Chapter A.5.1 Interception of the radiation by the extinction canopy: coefficient 272 A.5.2 Radiation absorbed by the crop 272 A.5.3 Growth parameters 272 A.5.4 Fruit harvest and biomass indexes 273 A.5.5 Use of radiation in a typical greenhouse ecosystem 273 A.6 Chapter A.6.1 Wind effect in natural ventilation 273 A.6.2 Thermal effect in natural ventilation 274 A.6.3 Wind loads 274 A.6.4 Air flow reduction when a screen is placed on a greenhouse vent 274 A. 7 Chapter A.7.1 CO, units 274 A. 8 Chapter A.8.1 Crop water stress index 274 A.8.2 Irrigation water quality 275 A.8.3 Estimation of the evapotranspiration ( T0) in a greenhouse 275 A.9 Chapter A.9.1 Transmissivity models 276 Appendix 2 Symbols and Abbreviated Forms 277
10 Contents xiii Appendix 3 Units and Equivalences 283 Length 283 Area 283 Volume 283 Mass 284 Thickness of Plastic Films 284 Temperature 284 Pressure 285 Energy and Power 285 Radiation 285 Water Lamina 285 Prefixes 285 List oftables 287 List offigures 291 List of Photos 299 List of Plates 303 References 307 Index 327 The colour plates can be found following p. 178.
Greenhouses. 4/25/2018 DUBI SEGAL
Greenhouses. 4/25/2018 DUBI SEGAL Why to use greenhouse technology? Economic Advantages of Greenhouses: Ability to grow in various climatic conditions Crop can be marketed throughout the year High quality
More informationSEASONAL CROP COEFFICIENT OF GERBERA SOILLESS CULTURE
SEASONAL CROP COEFFICIENT OF GERBERA SOILLESS CULTURE A. Papadopoulosl. E. Maloupa^. F. Papadopoulos^ 1. National Agricultural Research Foundation, Soil Science Institute, 541 10 Thessaloniki, Greece.
More informationACHIEVEMENT LEVEL DESCRIPTORS
ACHIEVEMENT LEVEL DESCRIPTORS FOR THE PLANT SYSTEMS ASSESSMENT Please note: Students performing at the Meets Expectations level also meet all standards at the Approaches Expectations level, and students
More informationNCEA Level 2 Agricultural and Horticultural Science (91290) 2014 page 1 of 8
NCEA Level 2 Agricultural and Horticultural Science (91290) 2014 page 1 of 8 Assessment Schedule 2014 Agricultural and Horticultural Science: Demonstrate understanding of techniques used to modify physical
More informationPLSC GREENHOUSE PRODUCTION AND MANAGEMENT (3 cr.) Department of Plant Sciences Spring Semester, 2006
PLSC 422 - GREENHOUSE PRODUCTION AND MANAGEMENT (3 cr.) Department of Plant Sciences Spring Semester, 2006 I. GENERAL INFORMATION A. Instructor: Dr. Chiwon W. Lee Office: Room 266F, Loftsgard Hall Phone:
More information36 ways. fresh fruit and vegetable profit per kg. Retractable Roof Greenhouses can increase. by 50%-100%
36 ways Retractable Roof Greenhouses can increase fresh fruit and vegetable profit per kg by 50%-100% and generate a 2 to 5 year return on investment There are at least 36 ways that Cravo Retractable roof
More informationInstructor: Stephen L. Love Aberdeen R & E Center 1693 S 2700 W Aberdeen, ID Phone: Fax:
Vegetable Crops PLSC 451/551 Lesson 5, Environment, Propagation Instructor: Stephen L. Love Aberdeen R & E Center 1693 S 2700 W Aberdeen, ID 83210 Phone: 397-4181 Fax: 397-4311 Email: slove@uidaho.edu
More informationA greenhouse is a covered structure which protects plants from vagaries of weather or environment i.e. wind,
Protected cultivation is the technique of providing favourable environmental or growth conditions to the plants. In greenhouses, the growing environment is altered to suit the specific requirements of
More informationMOVEMENT OF WATER THROUGH PLANTS
MOVEMENT OF WATER THROUGH PLANTS How a plant uses water and the interaction between root zone and aerial environments In the first of six articles for Practical Hydroponics & Greenhouses, Grodan Crop Consultant
More informationReducing Losses and Extending Availability of Fruits and Vegetables
Reducing Losses and Extending Availability of Fruits and Vegetables Beth Mitcham University of California, Dept. of Plant Sciences Horticulture Innovation Lab Postharvest Technology Center Our projects
More informationHORTICULTURE (HORT) Horticulture (HORT) 1. HORT 2613 Woody Plant Materials
Horticulture (HORT) 1 HORTICULTURE (HORT) HORT 1003 Home Horticulture Description: Offered by correspondence only. An introduction to horticultural practices for the home gardener. Planning and care of
More informationLiquid Ring Vacuum Pumps, Compressors and Systems
Helmut Bannwarth Liquid Ring Vacuum Pumps, Compressors and Systems Conventional and Hermetic Design Translated by Christine Ahner WILEY- VCH WILEY-VCH Verlag GmbH & Co. KGaA XIII Foreword VII Preface IX
More informationGREENHOUSE MANAGEMENT for Horticultural Crops
GREENHOUSE MANAGEMENT for Horticultural Crops S E C O N D R E V I S E D A N D E N L A R G E D E D I T I O N S. Prasad U. Kumar Agrobios (India) S. Prasad Ex-Associate Professor of Horticulture Rajasthan
More information2. PLANT AND ATMOSPHERE
2. PLANT AND ATMOSPHERE INTRODUCTION In the field you have seen the plants growing on the soil. Some portion of the plant is above the ground and is visible while some of it remains in the soil underground.
More informationSoil, Water & Plant Relationships. Lecture note for Soil and Water Management Course Prepared by Dr ND Nang
Soil, Water & Plant Relationships Lecture note for Soil and Water Management Course Prepared by Dr ND Nang Soil-Plant-Atmosphere Continuum (SPAC) The SPAC is defined as the movement of water from the soil,
More informationBuilding your terrarium:
What is a Terrarium? A terrarium is a collection of small plants growing in a transparent, sealed container. A terrarium is a closed environment, and can actually be used to illustrate how an ecosystem
More informationThese are non-living factors that influence the performance of a crop. Ex. Climate, weather, soil type, soil fertility, etc.
HORT 102: Climate and Weather Cultivated Plants: Lecture 18 [Teresa Koenig] Slide #: 1 Slide Title: Intro Information Slide Title: Lecture 15 Climate and Weather Speaker: Teresa Koenig Created by: Teresa
More informationIRRIGATION AND NUTRIENT MANAGEMENT IN TREE FRUIT PRODUCTION SYSTEMS.
IRRIGATION AND NUTRIENT MANAGEMENT IN TREE FRUIT PRODUCTION SYSTEMS Neilsen, D 1, Neilsen, G 1, Forge T 1 denise.neilsen@agr.gc.ca 1 Agriculture and Agri-Food Canada, Summerland, B.C. Canada KEYWORDS Irrigation
More informationNATURAL FACTORS AND VEGETATION INTERACT?
HOW DO NATURAL FACTORS AND VEGETATION INTERACT? Natural factors such as moisture, temperature, and soil affect vegetation. In turn, vegetation affects these natural factors. They interact. Why should you
More informationIntroduction to Horticulture 5th Edition, 2014
A Correlation of 5th Edition, 2014 To the 2010 CTE Agriculture Frameworks A Correlation of,, to the for Horticulture Unit 1: Horticulture Orientation and Leadership Development Competency 1: Identify school
More informationOptimizing the Water Relations of Cuttings During Propagation
Optimizing the Water Relations of Cuttings During Propagation Fred Davies Dept. of Horticultural Sciences Texas A&M University College Station, Texas So, How Do Cuttings Gain & Lose Water??? Water Water
More informationChapter 10. Passive Cooling Contents
Chapter 10. Passive Cooling Contents 10.1 Introduction to Cooling 10.2 Historical and Indigenous Use of Passive Cooling 10.3 Passive Cooling Systems 10.4 Comfort Ventilation VS Night Flush Cooling 10.5
More informationGreenhouse Structures: More than a high tunnel
Greenhouse Structures: More than a high tunnel Steven E. Ph.D., A.A.F. Extension Greenhouse Crops Specialist and Professor of Floriculture Horticulture and Landscape Architecture Colorado State University
More informationWhy Modify the Environment?
Dr. Richard G. Snyder Dr. Richard G. Snyder Professor & Vegetable Specialist Greenhouses are for Environmental Modification temperature light insects, diseases, and weeds air pollutants water Why Modify
More informationDecember 6, 2018 Optimizing Solutions through Superior Dehumidification Technology SM
Humidity Control and Heating and Cooling Applications December 6, 2018 Optimizing Solutions through Superior Dehumidification Technology SM Today s Discussion Discussion of cooling, heating and dehumidification
More informationGrowing Vegetables: Managing Blossom End-Rot
Bringing information and education into the communities of the Granite State Growing Vegetables: Managing Blossom End-Rot Blossom-end rot (BER) is a disorder that commonly affects tomato, pepper and squash.
More informationLandscaping Principles and Practices
9.E3A Landscaping Principles and Practices 6 T H E D I T I O N Jack E. Ingels State University of New York College of Agriculture and Technology Cobleskill, New York THOMSON + DELMAR LEARNING A u s t r
More informationHORTICULTURE-HORT (HORT)
Horticulture-HORT (HORT) 1 HORTICULTURE-HORT (HORT) Courses HORT 100 Horticultural Science Credits: 4 (3-2-0) Principles of plant science and related disciplines as the base and context for the introduction
More informationEarle Barnhart 8/11/08
CAPE COD ARK BIOSHELTER From 1971 to 1991, the New Alchemy Institute conducted research and education on behalf of the planet. Among its major tasks was the creation of ecologically derived human support
More informationChristian Langlais Philippe Ryckewaert. Guide to sheltered vegetable cultivation in the humid Tropics CIRAD
Christian Langlais Christian Langlais Philippe Ryckewaert Guide to sheltered vegetable cultivation in the humid Tropics CIRAD The authors Christian Langlais, an agronomist specializing in sheltered vegetable
More informationPart III. Crop Information
Part III. Crop Information All questions pertain to the crop in question only. Season when crop was grown Spring Summer Fall Winter Seed-Grown Plugs Crop(s) affected Cultivar(s) affected Grown from seed
More informationMaximizing Vine Crop production with Proper Environmental Control
Maximizing Vine Crop production with Proper Environmental Control Richard McAvoy Department of Plant Science & Landscape Architecture University of Connecticut richard.mcavoy@uconn.edu 860-486-2925 Environmental
More informationSunburn Protection for Apples
Page 1 of 5 Sunburn Protection for Apples Note Number: AG1443 Published: June 2011 Updated: Introduction Every year, sunburn causes some damage to fruit growing commercially in northern Victoria. Sunburnt
More informationSUMMARY AND CONCLUSION
SUMMARY AND CONCLUSION Laboratory studies were conducted on clay, clay loam and sandy loam soils to study the effect of irrigation water qualities on hydraulic, dispersion and swelling properties. Twenty-seven
More informationEnergy Conservation. What s the impact of tightening up your greenhouses to save energy?*
Energy Conservation What s the impact of tightening up your greenhouses to save energy?* By Drs. Peter Ling**, Claudio Pasian*** and Michelle Jones** ** OSU-OARDC, Wooster, Ohio *** OSU Columbus, Ohio
More informationEvery single drop: Utilizing deficit irrigation to managing warm-season turfgrass lawns. Jason K. Kruse University of Florida
Every single drop: Utilizing deficit irrigation to managing warm-season turfgrass lawns. Jason K. Kruse University of Florida Introduction Water is the most important environmental factor in establishing
More informationOlericulture Hort 320 Lesson 5, Environment, Propagation
Olericulture Hort 320 Lesson 5, Environment, Propagation Jeremy S. Cowan WSU Spokane County Extension 222 N. Havana St. Spokane, WA 99202 Phone: 509-477-2145 Fax: 509-477-2087 Email: jeremy.cowan@wsu.edu
More informationCalculating crop evapotranspiration using a dual crop coefficient Part 3
Calculating crop evapotranspiration using a dual crop coefficient Part 3 By Pieter van Heerden and Isobel van der Stoep Introduction As discussed in part 2, the water used by a crop, or crop evapotranspiration
More informationHow to Read the South Plains Evapotranspiration Information
How to Read the South Plains Evapotranspiration Information Climate and Evapotranspiration (ET) data for the South Plains ET Network are presented in two formats for the convenience of our users. A cumulative
More informationPotential impact of global warming on citrus production. L. Gene Albrigo Citrus Research & Education Center University of Florida
Potential impact of global warming on citrus production L. Gene Albrigo Citrus Research & Education Center University of Florida Global warming (GW) More appropriately Industrial Global Warming Typical
More informationKEEPING PLANTS HEALTHY
KEEPING PLANTS HEALTHY The Right Plant In The Right Place MICROCLIMATE Geographic Location Elevation Topography Exposure LIGHT Exposure: Full Sun South Facing At least 8 hours per day Full Shade North
More informationPostharvest Physiology & Quality of Horticultural Crops
Postharvest Physiology & Quality of Horticultural Crops Mark Ritenour Indian River Research and Education Center, Fort Pierce Causes of Postharvest Loss Environmental Factors Temperature Physical damage
More informationMAXIMIZING FACILITY PERFORMANCE WITH INNOVATIVE HVAC & IRRIGATION SYSTEMS
MAXIMIZING FACILITY PERFORMANCE WITH INNOVATIVE HVAC & IRRIGATION SYSTEMS Moderator: Michael Thomas, Denver Water Panelists: Keith Coursin, Desert Aire Brandy Keen, Surna Lucas Targos, urban-gro SESSION
More informationImproving Corn Water Use With Hybrid Selection: Trait evaluation for both dryland and limited irrigated systems
Improving Corn Water Use With Hybrid Selection: Trait evaluation for both dryland and limited irrigated systems 2018 TAWC Water College, Lubbock Texas Jourdan M. Bell Texas A&M AgriLife Extension and Research
More informationContainer Gardening for Small Spaces
Container Gardening for Small Spaces Leonard J.M. Githinji, Ph.D. Assistant Professor and Extension Specialist Sustainable and Urban Agriculture Virginia State University (804) 524-5962 lgithinji@vsu.edu
More informationHighBay 6-panel. VividGro LED LIGHTING SOLUTIONS. Optimized growth spectrum. Industry leading PAR output. Industry leading PAR efficiency
HighBay 6-panel + Optimized growth spectrum VividGro LED LIGHTING SOLUTIONS Industry leading PAR efficiency + + Industry leading PAR output 1 I www.lightages.com 2 LIGHTING SCIENCE // VIVIDGRO // www.lsgc.com
More informationA New Hydroponic Substrate GREENHOUSE TOMATO CULTIVATION ON GROWSTONES GROW BAGS
A New Hydroponic Substrate GREENHOUSE TOMATO CULTIVATION ON GROWSTONES GROW BAGS A comparison between cultivation on Growstones and Rockwool Written by Paula Costa, Ph.D Director of Research & Development
More informationIntroduction. Objectives of training and pruning
7 Training Training and pruning Introduction Citrus trees are a perennial crop. As long as they remain healthy, they can flower and fruit for years on end, sometimes for as long as twenty or thirty years.
More informationTechnology Transfer of Greenhouse Aeroponic Lettuce Production Information to Alberta Growers,
Technology Transfer of Greenhouse Aeroponic Lettuce Production Information to Alberta Growers, Nabeel Mohammed Greenhouse Research & Production Complex ( GRPC) Lacombe - AB January 18, 2017 Introduction:
More informationGUIDE TO EVALUATING THE RISK OF DISEASE IN A GREENHOUSE
GUIDE TO EVALUATING THE RISK OF DISEASE IN A GREENHOUSE The following is a guide to assessing the various procedures and equipment used in a greenhouse, keeping in mind the risk of pathogen, mite, and
More informationTHERMAL PERFORMANCE ASSESSMENT OF GREENHOUSE SOLAR DRYER UNDER PASSIVE MODE
THERMAL PERFORMANCE ASSESSMENT OF GREENHOUSE SOLAR DRYER UNDER PASSIVE MODE Pushpendra Singh 1, Vipin Shrivastava 2 1,2 Mechanical Engineering Department, Lakshmi Narain College of Technology (India) ABSTRACT
More informationPLSC 422-GREENHOUSE PRODUCTION AND MANAGEMENT (3 cr.) Department of Plant Sciences Spring Semester, 2008
PLSC 422-GREENHOUSE PRODUCTION AND MANAGEMENT (3 cr.) Department of Plant Sciences Spring Semester, 2008 A. GENERAL INFORMATION 1. Instructor: Dr. Chiwon W. Lee Office: Room 266F, Loftsgard Hall Phone:
More informationPRINCIPLES OF HEATING, VENTILATION AND AIR CONDITIONING with Worked Examples
PRINCIPLES OF HEATING, VENTILATION AND AIR CONDITIONING with Worked Examples This page intentionally left blank PRINCIPLES OF HEATING, VENTILATION AND AIR CONDITIONING with Worked Examples Nihal E Wijeysundera
More informationBasics of Soilless Crop Production Systems
Basics of Soilless Crop Production Systems Petrus Langenhoven, Ph.D. Horticulture and Hydroponics Crops Specialist January 10, 2017 1 OUTLINE OF PRESENTATION Soilless Production Solution Culture Medium
More informationEffect of Two Greenhouse Covers on Growth, Dry Matter Content and Tomato Fruit Quality
Effect of Two Greenhouse Covers on Growth, Dry Matter Content and Tomato Fruit Quality L. Jarquin-Enriquez, E. Mercado-Silva and E. Castaño-Tostado Departamento de Investigación y Posgrado en Alimentos
More information2016 World Crops Research Update - Okra and Eggplant
2016 World Crops Research Update - Okra and Eggplant Vineland is publishing Issue 3 (August/ September 2016) in a series of four research updates evaluating various varieties and the effect of different
More informationHydroponics development in Japan
Hydroponics development in Japan A Case Study About Garlic Sprout Alfred Cheung 7 September 2016 / Asia World Expo Hong Kong 1 CONTENT OUTLINE Hydroponics background Using shipping containers Principle
More informationSoil is formed by various processes and originates from parent material.
Soils and sediments usually contain organic matter from decayed vegetation. A majority of the organic matter is humic substances. o Humic substances are naturally formed from the decomposition of vegetation.
More informationPERFORMANCE OF FORCED CONVECTION EVACUATED TUBE SOLAR GRAIN DRYER. BOOKER ONYANGO OSODO B. Ed.(TECH); M. Phil (Tech. Ed) (J98/25749/2011)
PERFORMANCE OF FORCED CONVECTION EVACUATED TUBE SOLAR GRAIN DRYER BOOKER ONYANGO OSODO B. Ed.(TECH); M. Phil (Tech. Ed) (J98/25749/2011) A research Proposal Submitted in Partial Fulfillment of the Requirements
More informationAvocado Tree Pruning in Chile
Avocado Tree Pruning in Chile The Basics, Part I Claudio Hernandez A. Ing. Agr.. Technical Division chernandez@propal.cl Population: 17.400.000 (2012 estimated) Cap: Santiago de Chile GDP: US$15.000.-
More informationSOME RESULTS ON WATER AND NUTRIENT CONSUMPTION OF A GREENHOUSE TOMATO CROP GROWN IN ROCKWOOL
SOME RESULTS ON WATER AND NUTRIENT CONSUMPTION OF A GREENHOUSE TOMATO CROP GROWN IN ROCKWOOL JEMAA R BOULARD T., BAILLE A. I.N.R.A., Unité de Bioclimatologie d'avignon 84914 Avignon Cedex 9 FRANCE. Abstract
More informationLecture No.1. Green House:
1 Lecture No.1 Greenhouse is the most practical method of achieving the objectives of protected agriculture, where the natural environment is modified by using sound engineering principles to achieve optimum
More informationINTRODUCTION CLIMATE SOIL PLANTING AND SPACING
POMEGRANATE INTRODUCTION The Pomegranate (Punica granatum) is a fruit-bearing deciduous shrub or small tree that grows to a height of 5-8 m. The pomegranate is native to Iran and the Himalayas in northern
More informationUnderstanding Water Use by Plants in a Cloche System - Gardening
Understanding Water Use by Plants in a Cloche System - Gardening Sam Angima Oregon State University Extension Newport Oregon What is a cloche? Cloche (pronounced klõsh) is a French word for a bell jar
More informationHigh frequency irrigations as means for reduction of pollution hazards to soil and water resources and enhancement of nutrients uptake by plants
High frequency irrigations as means for reduction of pollution hazards to soil and water resources and enhancement of nutrients uptake by plants Avner SILBER Institute of Soil, Water and Environmental
More information09. Irrigation and Water Management
Home > Courses > Bay Area Farmer Training Program > Regenerative Agriculture and Food Systems Previous Module Next Module Module 09. Irrigation and Water Management Module Progress: Background Material
More informationDr. Sara Via, Please do not reproduce without permission
Successful and Sustainable Gardening in a Changing Climate Global Warming, 1884 2011 - variation through time - variation across space Dr. Sara Via Professor & Climate Extension Specialist UMD, College
More informationPostharvest Goals. Postharvest Physiology and Quality of Horticultural Crops
Postharvest Physiology and Quality of Horticultural Crops Mark Ritenour University of Florida Indian River Research and Education Center What is Postharvest Biology? A Pragmatic (practical) science. Primarily
More informationREFRIGERATION AND AIR CONDITIONING
REFRIGERATION AND AIR CONDITIONING SECOND EDITION S.N. Sapali Professor of Mechanical Engineering College of Engineering, Pune Delhi-110092 2014 REFRIGERATION AND AIR CONDITIONING, Second Edition S.N.
More informationEnergy Efficiency Solutions
Energy Efficiency Solutions Exterior work to improve summer comfort Well-designed landscaping can minimize summer heat gain in your hotel, reducing your cooling needs by between 20% and 100%. Planting
More informationPlant Propagation for Successful Hydroponic Production
Plant Propagation for Successful Hydroponic Production Hye-Ji Kim Assistant Professor of Sustainable Horticulture Crop Production Oct 14, 2017 What is Hydroponics? Hydroponics = hydros + ponos Water labor
More informationDID YOU KNOW that the National
Understanding Hydroponics DID YOU KNOW that the National Aeronautics and Space Administration (NASA) is looking at hydroponics as a means of providing food during space exploration? We tend to think of
More informationR3104 UNDERSTANDING APPLIED PLANT PROPAGATION
INCLUDING EXAMINERS COMMENTS R3104 UNDERSTANDING APPLIED PLANT PROPAGATION Level 3 Wednesday 20 June 2018 15:55 16:45 Written Examination Candidate Number:. Candidate Name:. Centre Number/Name: IMPORTANT
More informationThe Nature of Soil Soil Conservation Sustainable Ag.
Chapter 6 & 7 The Nature of Soil Soil Conservation Sustainable Ag. Climate Soil Forming Factors Parent material Organisms Topography Time Value of Soil Soil is under appreciated Condition of soil affects
More information27/11/2015. How does a greenhouse work: humidity. Energiezuinig ontvochtigen. Climate control, humidity
Energiezuinig ontvochtigen How does a greenhouse work: humidity Masterclass 26 november 2 HAS Den Bosch BOGO project Klimaat en energie: nieuwe low input teeltsystem in de tuinbouw F. Kempkes en S. Hemming,
More informationOptimizing Cherry Production: Physiology-Based Management. Gregory Lang Michigan State University
Optimizing Cherry Production: Physiology-Based Management Gregory Lang Michigan State University 2011 Sweet Cherry Acreage #1: WA 34,000 acres #3: OR 12,500 acres Sweet Cherry Acreage 1 #4: MI 6,500 acres
More informationPrepared and Published by Irrigation Industry Association of British Columbia (IIABC) Editor
Landscape Drip Irrigation Scheduling Calculator Users Guide Prepared and Published by (IIABC) Editor Ted W. van der Gulik, P.Eng. February 2010 www.irrigationbc.com TABLE OF CONTENTS INTRODUCTION... 5
More informationTeam number Page 1 of Canon Envirothon Soils Station Test. Soils and Climate Change
Team number Page 1 of 9 2006 Canon Envirothon Soils Station Test Soils and Climate Change There are many kinds of soil on the surface of the earth. The kind of soil that is present at a given location
More informationGreen Roofs Impact on Buildings Cooling Load
Purdue University Purdue e-pubs International High Performance Buildings Conference School of Mechanical Engineering 2012 Green Roofs Impact on Buildings Cooling Load Karim Besbes assaad.zoughaib@mines-paristech.fr
More informationExperimental Research on Monomial Cooling Measure of Greenhouse in Summer
Smart Grid and Renewable Energy, 2013, 4, 48-52 http://dx.doi.org/10./sgre.2013.41007 Published Online February 2013 (http://www.scirp.org/journal/sgre) Experimental Research on Monomial Cooling Measure
More informationALTERNATIVE IRRIGATION SYSTEMS. Marc van Iersel Associate Professor, Floriculture Griffin Campus, UGA
ALTERNATIVE IRRIGATION SYSTEMS Marc van Iersel Associate Professor, Floriculture Griffin Campus, UGA Any unconventional way to water a crop Not: Hand watering Overhead sprinklers Drip irrigation Why use
More informationMicroirrigation of Young Blueberries in Florida 1
BULLETIN 301 Microirrigation of Young Blueberries in Florida 1 Dorota Z. Haman, Allen G. Smajstrla, Fedro S. Zazueta, Paul M. Lyrene, Robert T. Pritchard 2 Blueberry production shows great promise as a
More informationGerbera Cultivation in Soilless Media.
Gerbera Cultivation in Soilless Media. Horti - Expo Seminar Kunnar, India Sept. 2012 Flourishing gerbera roots in coco-fibers, in 4 Liter Container. Gerbera - Practice & Theory Selected chapters Growing
More informationMechanisms of Nutrient Uptake: Is Fertilization Enough?
Mechanisms of Nutrient Uptake: Is Fertilization Enough? Fabián G. Fernández & Water Quality Specialist Department of Soil, Water, and Climate fabiangf@umn.edu Conference 09 Feb. 2016, Morton, MN Justice
More informationGreen Roof Field Trip
Adapted from the rain garden curriculum created by the University of Wisconsin, Madison, Arboretum s Earth Partnership for Schools Grade level: Elementary (K 6); Group size: 12 35; Time needed: 1 to 3
More informationWhy Grow Fruit or Berries in Your Backyard?
Why Grow Fruit or Berries in Your Backyard? Beautiful bloom in spring & fruit at harvest Grow unique varieties Tree-ripened fruit Perennial crop that requires annual care Backyard Fruit Trees and Small
More informationDr. Richard G. Snyder. Professor & Vegetable Specialist
Dr. Richard G. Snyder Professor & Vegetable Specialist When Bad Things Happen to Good Tomatoes Temperature Control is it working correctly? Heaters (64 F min) Fans (keep it under 90 F) Vents HAF Shade
More informationExperimental Analysis of Open, Simple and Modified Greenhouse Dryers for Drying Potato Flakes under Forced Convection
RESEARCH ARTICLE OPEN ACCESS Experimental Analysis of Open, Simple and Modified Greenhouse Dryers for Drying Potato Flakes under Forced Convection Tanuj Kumar Sahu 1, Vishal Gupta 2, Ajay Kumar Singh 3
More informationPostharvest Biology Overview
Page 1 Postharvest Biology Overview 31st Short Course Postharvest Technology of Horticultural Crops June, 2009 Agriculture in California 350 crops, 83,000 farms, 8.5 million irrigated acres of farmland
More information1. Potassium nitrate for efficient plant nutrition
Potassium nitrate is a unique source of potassium by its nutritional value and its contribution to the health and yields of plants. Potassium nitrate features desirable chemical and physical properties,
More informationIdentifying the SIX Critical Control Points in High Tunnel Production
Identifying the SIX Critical Control Points in High Tunnel Production Terrance T. Nennich, Extension Professor Emeritus Vegetable and Small Fruit Production University of Minnesota Extension nenni001@umn.edu
More informationEvaluating Suitable Tomato Cultivars for Early Season High Tunnel Production in the Central Great Plains
Evaluating Suitable Tomato Cultivars for Early Season High Tunnel Production in the Central Great Plains Lewis W. Jett 1 and Andrew Read 2 Department of Horticulture, University of Missouri-Columbia, Columbia,
More informationLecture 7 Water in the Atmosphere
Key words Radiation imbalance (heat transport by atmosphere and ocean currents) Radiational cooling, radiation inversion, thermal belt Specific heat, controls of temperature Diurnal range of temperature
More informationDay Neutral Strawberry Production. Advantages of using Plastic. Physiology of Day Neutral vs June Bearing Strawberry June Bearer is a short day plant
Day Neutral Strawberry Production Production in the year of Planting Late Summer/Fall Production extends season Production is over a longer time period Plasticulture eliminates a lot of the problems with
More informationBioengineering Shoreline Protection
Insert Company Logo Here (first slide only) Bioengineering Shoreline Protection Agrecol LLC Evansville WI rob.walker@agrecol.com A little about Agrecol 1,100 acres in production in SC WI Produce 3.5 million
More informationSt. Augustinegrass - Made for the Florida Shade? 1
ENH 967 St. Augustinegrass - Made for the Florida Shade? 1 L.E. Trenholm and Russell Nagata 2 Introduction Landscapes generally contain areas where turfgrass is under some degree of shade for some part
More informationPhysical concepts. Remote sensing of fires and vegetation. Applications of SEVIRI channels.
Physical concepts Remote sensing of fires and vegetation Applications of SEVIRI channels jose.prieto@eumetsat.int Contents Applications of SEVIRI channels Characteristics of the 3.9µm channel Differences
More informationUnderstanding Properties of Growing Media
Lesson A4 1 Understanding Properties of Growing Media Unit A. Horticultural Science Problem Area 4. Growing Media, Nutrients, and Fertilizers Lesson 1. Understanding Properties of Growing Media New Mexico
More informationPruning is one of the oldest
Pruning and controlled-release fertilizer to rehabilitate HLB trees By Tripti Vashisth and Troy Gainey Pruning is one of the oldest horticultural practices that changes the form and growth of a tree. The
More informationSoil Plant Water Relationships 1
Circular 1085 January 1993 Soil Plant Water Relationships 1 Dorota Z. Haman and Forrest T. Izuno 2 Florida is classified as having a humid subtropical climate. The average annual rainfall for most of Florida
More information