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Home > International Symposium on New Technologies for Environment Control, Energy-Saving and Crop Production in Greenhouse and Plant Factory – Greensys 2013 > ROBUST MULTI-OBJECTIVE EVOLUTIONARY OPTIMIZATION TO ALLOW GREENHOUSE PRODUCTION/ENERGY USE TRADEOFFS

Articles

ROBUST MULTI-OBJECTIVE EVOLUTIONARY OPTIMIZATION TO ALLOW GREENHOUSE PRODUCTION/ENERGY USE TRADEOFFS

Article number

1037_65

Pages

525 – 532

Language

English

Abstract

The worldwide increase in demand for fresh fruits and vegetables has led to a search for strategies to manage greenhouses in ways that not only meet this demand, but that are also economically viable and environmentally sustainable.
A promising technique for managing the greenhouse microclimate is automatic control of mechan-ical systems such as heaters, ventilators, and shade screens.
However, conventional open-loop greenhouse controllers are criticized for their excessive use of energy and vagueness of user-adjustable settings. Moreover, due to their vulnerability to external disturbances, unreliability of the final optimum solution, and the lack of guaranteed alternatives, closed-loop optimal controllers are only reluctantly accepted in cultivation practice.
Our approach is to use a form of evolutionary multi-objective optimization to discover a suite of user-selectable control strategies that optimally balance crop productivity with the financial and environmental costs of greenhouse climate control.
Each of the controllers discovered by this approach defines a range of conditions to be maintained depending upon the crop state, external environmental conditions, and resource costs.
In this paper, we present the performance of our evolved greenhouse control strategies on a simulated tomato crop, compare them to existing greenhouse control strategies, and discuss the feasibility of implementing these new control strategies in actual greenhouses.
In the near future, these control strategies will be validated in an advanced experimental greenhouse currently under construction on the campus of Tongji University in Shanghai, China.

Publication

International Symposium on New Technologies for Environment Control, Energy-Saving and Crop Production in Greenhouse and Plant Factory – Greensys 2013

Authors

Chenwen Zhu, P. Unachak, J.R. Llera, D.B. Knoester, E.S. Runkle, Lihong Xu, E.D. Goodman

Keywords

greenhouse climate, crop yields, compatible control, NSGA-II, model-based optimization, user-acceptable tradeoffs

Full text

https://doi.org/10.17660/ActaHortic.2014.1037.65

Online Articles (152)

1. INNOVATIONS IN CROP PRODUCTION: A MATTER OF PHYSIOLOGY AND TECHNOLOGY

L.F.M. Marcelis | F. Buwalda | J.A. Dieleman | T.A. Dueck | A. Elings | A. de Gelder | S. Hemming | F.L.K. Kempkes | T. Li | F. van Noort | P.H.B. de Visser

2. AN ACTIVE HEAT STORAGE-RELEASE SYSTEM USING CIRCULATING WATER TO SUPPLEMENT HEAT IN A CHINESE SOLAR GREENHOUSE

Q. Yang | Y. Zhang | H. Fang | W. Li | W. Lu | Y. Tong

3. COMPARATIVE PERFORMANCE OF A GREENHOUSE COOLING STRATEGY WITH NATURAL VENTILATION AND FOGGING UNDER DIFFERENT OUTSIDE CLIMATES

F. Villarreal-Guerrero | J. Flores-Velazquez | M. Kacira

4. GREENHOUSE DESIGN FOR VEGETABLE PRODUCTION IN SUBTROPICAL CLIMATE IN TAIWAN

S. Hemming | S.L. Speetjens | D. Wang | J.R. Tsay

5. SYSTEM INTEGRATION AND OPTIMIZATION MODEL (SIOM)

E.G.O.N. Janssen | L.T. Baart de la Faille | W.J.A. Lohman

6. GREENHOUSE CONCEPT WITH HIGH INSULATING DOUBLE GLASS WITH COATINGS AND NEW CLIMATE CONTROL STRATEGIES; FROM DESIGN TO RESULTS FROM TOMATO EXPERIMENTS

F.L.K. Kempkes | J. Janse | S. Hemming

7. DEVELOPMENT OF A SIMULATION MODEL TO EVALUATE ENVIRONMENTAL CONTROLS IN A TOMATO GREENHOUSE

Y. Ishigami | E. Goto | M. Watanabe | T. Takahashi | L. Okushima

8. ANALYSIS OF WORKING LOAD ON GREENHOUSE FOUNDATION CONSIDERING WIND AND SNOW LOAD

S.W. Yun | Y.S. Shin | C. Yu | Y.C. Yoon

9. SYSTEM DYNAMICS OF A PHOTOVOLTAIC INTEGRATED GREENHOUSE

P. Juang | M. Kacira

10. BES COMPUTATION FOR PERIODICAL ENERGY LOAD OF GREENHOUSE WITH GEOTHERMAL HEATING SYSTEM

Il-Hwan Seo | In-Bok Lee | Kyeong-Seok Kwon | Se-Joon Park

11. SPATIOTEMPORAL DISTRIBUTIONS OF ENERGY AND WATER CONSUMPTION IN OPEN, SEMI-CLOSED AND CLOSED LOOP HEAT PUMP GREENHOUSE SYSTEMS, AND ASSOCIATED MANAGEMENT STRATEGIES IN CANADA

I. Yildiz | J. Yue | J. Lowrey

12. DEVELOPMENT OF ELECTRICITY PRODUCING GREENHOUSES – TWO CASE STUDIES

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13. LATENT HEAT TRANSFER IN A LOW ENERGY GREENHOUSE (ZINEG)

H.-J. Tantau | G. Akyazi

14. “SUSTAINABLE ENERGY GREENHOUSE” RESULTS OF THE PROJECT: REDUCTION OF ENERGY CONSUMPTION AND ENERGY STORAGE IN AQUIFER

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15. WINTER PRODUCTION OF GREEN ASPARAGUS BY USING SURPLUS HEAT FROM MACHINERY ROOM AND USED HOT WATER FROM HOTEL’S SPA

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16. ENERGY SAVING BY SOIL INSULATION IN GREENHOUSE FREESIA PRODUCTION

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17. SPATIOTEMPORAL DISTRIBUTIONS OF ENERGY AND WATER CONSUMPTION IN OPEN, SEMI-CLOSED AND CLOSED LOOP HEAT PUMP GREENHOUSE SYSTEMS, AND ASSOCIATED MANAGEMENT STRATEGIES IN THE CANADIAN NORTH

I. Yildiz | J. Yue | J. Lowrey

18. ENERGY EFFICIENCY IN TOMATO GREENHOUSE PRODUCTION. A PRELIMINARY STUDY

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19. SOLAR LIGHT-GUIDE POWER WINDOWS FOR THE GREENHOUSE

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20. ZINEG PROJECT – ENERGETIC EVALUATION OF A SOLAR COLLECTOR GREENHOUSE WITH ABOVE-GROUND HEAT STORAGE IN GERMANY

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21. ENERGY CONSERVING DEHUMIDIFICATION OF GREENHOUSES

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22. AN ACTIVE HEAT STORAGE-RELEASE UNIT ASSISTED WITH A WATER-WATER HEAT PUMP FOR HEATING IN A CHINESE SOLAR GREENHOUSE

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23. MEASUREMENT OF OVERALL HEAT TRANSFER COEFFICIENT OF COVERING MATERIAL WITH THERMAL SCREENS FOR PLASTIC GREENHOUSE

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24. GREENHOUSE HEATING TECHNOLOGY DEVELOPMENT BY USING RIVERBANK FILTRATION WATER SOURCE HEAT PUMP

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25. ENERGY EFFICIENCY CLASSIFICATION OF AGRICULTURAL MACHINERY

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26. POTENTIAL ASSESSMENT OF GROWTH AND YIELD OF ORGANIC GREENHOUSE TOMATO USING A GEOTHERMAL SYSTEM

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27. A METHOD TO ESTIMATE GROUND THERMAL CONDUCTIVITY IN USING SPIRAL COIL TYPE GROUND HEAT EXCHANGER

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28. DEVELOPMENT OF A HYBRID TYPE HEAT PUMP SYSTEM FOR GREENHOUSE HEATING

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29. CHICORY (CICHORIUM INTYBUS) PRODUCTION OF USING LOCAL SNOW AND TERRESTRIAL HEAT ENERGY IN MID-SUMMER, JAPAN

R. Yamakawa | T. Kumano | H. Araki | T. Yokota

30. MEASUREMENTS OF THE PHOTOSYNTHETIC RATES IN VEGETABLES UNDER VARIOUS QUALITIES OF LIGHT FROM LIGHT-EMITTING DIODES

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31. PRODUCING COMMERCIAL-QUALITY ORNAMENTAL SEEDLINGS UNDER SOLE-SOURCE LED LIGHTING

H.M. Wollaeger | E.S. Runkle

32. ANALYSIS OF ELECTRIC-ENERGY UTILIZATION EFFICIENCY IN A PLANT FACTORY WITH ARTIFICIAL LIGHT FOR LETTUCE PRODUCTION

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33. CORRELATION BETWEEN GLUCOSINOLATE CONTENT AND SPECTRAL REFLECTANCE OF CABBAGE LEAVES USING A SPECTROMETER

V.D. Ngo | D.K. Ryu | S.W. Kang | S.O. Chung | S.U. Park | S.J. Kim | J.T. Park

34. REDUCTION IN ELECTRIC-ENERGY CONSUMPTION FOR COOLING IN A PLANT FACTORY WITH ARTIFICIAL LIGHT

J. Wang | Q. Yang | Y. Tong | L. Wei

35. EFFECT OF ACCLIMATION TO LOW TEMPERATURE ON NUTRITIONAL QUALITY OF SPINACH

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36. OPTIMUM AIR CURRENT SPEED FOR RICE PLANT CANOPY IN A CLOSED PLANT-PRODUCTION SYSTEM

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37. ROLE OF MOVABLE BENCH SYSTEM FOR STRAWBERRIES IN RECONSTRUCTION PROJECT IN MIYAGI PREFECTURE

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38. EFFECTS OF BLUE/RED RATIO AND LIGHT INTENSITY ON PHOTOMORPHOGENESIS AND PHOTOSYNTHESIS OF RED LEAF LETTUCE

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39. A STUDY OF GROWTH CHARACTERISTICS IN SOYBEAN SPROUTS USING MICRO-BUBBLE TREATED WATER

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40. LIGHT CONTROL SYSTEM (LCS) DEVELOPMENT AND ITS APPLICATION FOR PLANT PRODUCTION IN A PLANT FACTORY SYSTEM

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41. EFFECT OF CEILING HEIGHT ON THE NATURAL VENTILATION OF AN ‘INFINITE’ SCREENHOUSE: MODEL PREDICTIONS

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42. NEURO-FUZZY MODELING OF TRANSPIRATION RATES OF GREENHOUSE TOMATOES UNDER TEMPERATE WEATHER CONDITIONS OF CENTRAL MEXICO

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43. PERFORMANCE OF PENMAN-MONTEITH MODELS IN PREDICTING EVAPO-TRANSPIRATION IN A LARGE BANANA SCREENHOUSE

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44. MODELING UNCERTAINTY OF GREENHOUSE CROP LETTUCE GROWTH MODEL USING KALMAN FILTERING

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45. PREDICTING EXTERNAL QUALITY TRAITS FROM ORGAN DRY WEIGHT IN CUT CHRYSANTHEMUM (CHRYSANTHEMUM MORIFOLIUM)

Ningyi Zhang | Lu Lin | Wenwen Li | Jingqing Shao | Yanbao Zhou | Gang Li | Weihong Luo

46. GREENHOUSE TOMATO QUALITY DETERMINANTS ON A NORTH AMERICAN MARKET: A YEAR ROUND STUDY

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47. ESTIMATION OF TOMATO FRUIT COLOR CHANGE WITH DIFFERENT STORAGE TEMPERATURES AT DIFFERENT MATURITY STAGES

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48. EFFECTS OF LIGHT INTENSITY AND NUTRIENT ADDITION ON GROWTH, PHOTOSYNTHETIC PIGMENTS AND NUTRITIONAL QUALITY OF PEA SEEDLINGS

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49. IMPACT OF LIGHT INTENSITY ON FLUCTUATIONS IN GROWTH AND NUTRIENT CONTENT OF LEAFY VEGETABLES UNDER ARTIFICIAL CONDITIONS

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50. CONTENT OF VITAMIN C AND PHYSIOLOGICAL PROPERTIES OF BITTER GOURD CULTIVARS IN PLASTIC GREENHOUSE

Doo-Gyung Moon | Kye-Man Cho | Chun-Hwan Kim | Ki-Cheol Seong | Daneil Son | Myeng-Whan Cho | In-Ho Yu | Hee-Ryong Ryu | Ill-Hwan Cho

51. IRRIGATION MANAGEMENT OF ORNAMENTAL SHRUBS UNDER LIMITED WATER RESOURCES

C. Cirillo | R. Caputo | G. Raimondi | S. De Pascale

52. WATER REQUIREMENTS OF TROPICAL ORNAMENTAL CROPS

H.J. Kim | P. Singleton | J. Lichty | A. Kawabata

53. IMPROVING IRRIGATION EFFICIENCY OF PROTECTED AGROSYSTEMS USING BENCHMARKING TOOLS

E. Kitta | T. Bartzanas | A. Baille

54. CLOSED-LOOP SOILLESS CULTIVATION SYSTEM OF CURCUMA ALISMATIFOLIA UNDER MODERATE SALINE STRESS

G. Raimondi | E. Di Stasio | C. Cirillo | S. De Pascale

55. ANTHURIUM PRODUCTIVITY IS LIMITED BY WATER AND NUTRIENT AVAILABILITY IN VOLCANIC CINDER MEDIUM

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56. A DEHUMIDIFICATION STRATEGY TO AVOID CONDENSATION ON PLANTS AND SPARE ENERGY IN GREENHOUSE

G. Chassériaux | E. Chantoiseau | C. Migeon | P.E. Bournet

57. SIMULATION OF ENERGY HARVESTING IN A SEMICLOSED GREENHOUSE

R. Salazar | L. Miranda | U. Schmidt | A. Rojano | I. Lopez

58. LONG TIME PLANT RESPONSE MEASUREMENTS FOR YIELD PREDICTION, WATER USE AND CLIMATE CONTROL OPTIMIZATION USING GAS EXCHANGE MEASUREMENTS IN SEMI CLOSED AND VENTILATED GREENHOUSES

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59. CONTROL OF TEMPERATURE, HUMIDITY, AND CO₂ CONCENTRATION IN SMALL-SIZED EXPERIMENTAL PLANT FACTORY

D.K. Ryu | S.W. Kang | V.D. Ngo | S.O. Chung | J.M. Choi | S.U. Park | S.J. Kim

60. CLIMATE CHARACTERIZATION AND MODELLING OF PINEAPPLE GREENHOUSES IN THE AZORES ARCHIPELAGO

F.J. Baptista | J.F. Meneses

61. AN OVERVIEW OF NATURAL VENTILATION, AIRFLOW, EVAPORATIVE COOLING AND HEAT PUMP HEATING IN GREENHOUSES UNDER MILD CLIMATIC CONDITIONS

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62. A DECISION SUPPORT SYSTEM FOR TOMATO GROWERS BASED ON PLANT RESPONSES AND ENERGY CONSUMPTION

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63. THE USE OF DAYLIGHT PLANT CUVETTES TO MEASURE CLIMATE PARAMETERS INDEPENDENTLY

G. Akyazi | H.-J. Tantau

64. THE EFFECT OF SCREENHOUSE HEIGHT ON AIR TEMPERATURE

M. Teitel | M. Garcia-Teruel | H. Alon | S. Gantz | J. Tanny | I. Esquira | M. Sofer | A. Levi | A. Schwartz | A. Antler

65. ROBUST MULTI-OBJECTIVE EVOLUTIONARY OPTIMIZATION TO ALLOW GREENHOUSE PRODUCTION/ENERGY USE TRADEOFFS

Chenwen Zhu | P. Unachak | J.R. Llera | D.B. Knoester | E.S. Runkle | Lihong Xu | E.D. Goodman

66. SOLAR ABSORPTION COOLING SYSTEM FOR GREENHOUSE CLIMATE CONTROL: TECHNICAL EVALUATION

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67. USING A WIRELESS SENSOR NETWORK TO DETERMINE CLIMATE HETEROGENEITY OF A GREENHOUSE ENVIRONMENT

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68. TRANSPIRATION AND CANOPY CONDUCTANCE OF A PEPPER CROP UNDER SCREENS WITH DIFFERENT POROSITY AND SHADING INTENSITY

N. Katsoulas | N. Rigakis | E. Kitta | A. Baille

69. COMBINED ROOF AND SIDE VENTILATION WITH MISTING AND AIR BLOWING FOR COOLING TROPICAL GREENHOUSES

W.A.P. Weerakkody | J.M.U. Jayasinghe | G. Prathpasinghe

70. USING THERMODYNAMIC DEHUMIDIFICATION IN SOILLESS TOMATO CROP IN GREENHOUSE: APPLICATION IN THE WEST OF FRANCE

B. Albert | S. Le Quillec | E. Brajeul | D. Lesourd | D. Loda

71. A MODEL-BASED DECISION SUPPORT TOOL FOR GREY MOULD PREDICTION

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72. EFFECT OF SHADING USING WATER CURTAIN WITH LIGHT IMPERMEABLE GRANULE ON MICROCLIMATE, AND PHOTOSYNTHETIC RATE, GROWTH, AND YIELD OF SWEET PEPPER GROWN UNDER RAINSHELTER IN SUMMER SEASON

K.D. Kim | Y.S. Kwon | D.L. Yoo | J.N. Lee | J.T. Seo | S.C. Hong

73. FEASIBILITY STUDY OF AN EFFECTIVE USE OF CARBON DIOXIDE HYDRATE IN GREENHOUSE PRODUCTION

Y. Iwasaki | D. Ahn | S. Matsuo | H. Umeda | K. Yasuba | A. Nakano | M. Takaichi

74. CLIMATE CONTROL FOR BOOSTING CO₂ UPTAKE IN CAM ACTIVE SHORT DAY PLANTS BY SHIFTING TO LONG DAY CONDITIONS AFTER FLOWER INITIATION

O. Körner | K.L. Nielsen

75. OPTIMIZATION OF LEAF PHOTOSYNTHESIS OF TOMATO THROUGH MICRO-CLIMATE CONTROL

J. Wang | Z. Zou | W.A.P. Weerakkody

76. PEPPER CROP PRODUCTION UNDER SHADING AND INSECT PROOF SCREENHOUSES

N. Rigakis | N. Katsoulas | P. Belitsiotis | C. Kittas | T. Bartzanas

77. ROBUSTNESS OF DYNAMICAL TEMPERATURE AND HUMIDITY MODELS IN CONTROLLED AGRICULTURE

A. Rojano | R. Salazar | J. Flores | I. López | F. Rojano | T. Espinosa | U. Schmidt | I. Schuhe | L. Trujillo

78. COMPARISON OF TWO COOLING AND DEHUMIDIFYING METHODS FOR A SEMI-CLOSED ORGANIC TOMATO GREENHOUSE

M. Vallières | D. de Halleux | M. Dorais | S. Bouzid

79. TEMPERATURE GRADIENTS IN FAN-VENTILATED GREENHOUSES

M. Teitel | Y. Zhao

80. DEVELOPMENT OF A NONDESTRUCTIVE MEASUREMENT SYSTEM TO OBTAIN EXUBERANCE INDEX OF FOLIAGE DURING GREENHOUSE CROP GROWTH BY LOW-COST NEAR-INFRARED LIGHT SENSORS

T. Hoshi | K. Suzuki | J. Imahara | K. Yasuba | T. Nanseki

81. AUTOMATED MACHINE VISION GUIDED PLANT MONITORING SYSTEM FOR GREENHOUSE CROP DIAGNOSTICS

D. Story | M. Kacira

82. WIRELESS SENSORS NETWORKS FOR OPTIMIZATION OF IRRIGATION, PRODUCTION, AND PROFIT IN ORNAMENTAL PRODUCTION

Jongyun Kim | J.D. Lea-Cox | M. Chappell | M.W. van Iersel

83. BASIC STUDY ON NON-DESTRUCTIVE GROWTH MEASUREMENT OF STRAWBERRY PLANTS USING A MACHINE-VISION SYSTEM

S. Yamamoto | S. Hayashi | S. Saitoh | Y. Ochiai | S. Tsubota | Y. Takeshima | K. Imou | K. Saga

84. REAL-TIME CONTROL OF HYDROPONIC MACRONUTRIENTS FOR CLOSED GROWING SYSTEM

Dae Hyun Jung | Hak-Jin Kim | Won Kyung Kim | Gyeong Lee Choi | Chang Ik Kang

85. MONITORING AND MODELING GREEN ROOF PERFORMANCE USING SENSOR NETWORKS

O. Starry | J. Lea-Cox | A. Ristvey | S. Cohan

86. DEVELOPMENT OF CHLOROPHYLL FLUORESCENCE IMAGING ROBOT FOR PRACTICAL USE IN COMMERCIAL GREENHOUSE

K. Takayama | R. Hirota | N. Takahashi | H. Nishina | S. Arima | K. Yamamoto | Y. Sakai | H. Okada

87. EFFECTS OF NITROGEN FERTILIZER ON NUTRITIONAL QUALITY AND ROOT SECRETION ACCUMULATION OF HYDROPONIC LETTUCE

Z.P. Qiu | Q.C. Yang | W.K. Liu

88. CONSUMERS’ PURCHASING PATTERNS AND PREFERENCES FOR SUBTROPICAL VEGETABLES IN KOREA

Sung-Yong Kim

89. EFFECTS OF LEDS ON PHOTOSYNTHESIS AND SECONDARY METABOLITES IN ROSES, CHRYSANTHEMUMS, AND CAMPANULAS

T. Ouzounis | X. Fretté | E. Rosenqvist | C.-O. Ottosen

90. SUSTAINABLE GERBERA PRODUCTION REALISED WITH THE NEXT GENERATION GREENHOUSE CULTIVATION

A. de Gelder | M.G. Warmenhoven | J.A. Dieleman

91. RE-IDENTIFICATION OF SUPERFICIAL AND SUB-EPIDERMAL LASER MARKINGS ON PLANTS AND FRUITS

C. Marx | M. Schultz | K. Schymik | A. Krüger | T. Ripken | T. Rath

92. SOLAR LIGHT DISTRIBUTION SYSTEM FOR MULTILAYER CULTIVATION IN A SMART GREENHOUSE

S.T. Jang | S.J. Chang | K.S. Park | E.M. Lee

93. DISTRIBUTIONS OF STEM DIAMETER AND STEM ELONGATION RATE IN A LARGE-SCALE TOMATO PRODUCTION GREENHOUSE – MEASUREMENT OF THOUSAND PLANTS

K. Takayama | C. Morimoto | N. Takahashi | H. Nishina

94. PERFORMANCE OF GRAFTED TOMATO IN CENTRAL LUZON, PHILIPPINES: A CASE STUDY ON THE INTRODUCTION OF A NEW TECHNOLOGY AMONG RESOURCE-LIMITED FARMERS

T.A. Boncato | J.R. Burleigh | L.L. Black | D.R. Ledesma | C.P. Aganon | L.G. Mateo

95. CHANGES IN WATERMELON QUALITY DUE TO THE PLANTING DENSITY AT BENCH BED SYSTEM IN A PLASTIC GREENHOUSE

Hyo Gil Choi | Joon Kook Kwon | Kyoung Sub Park | Sun Yi Lee | B. Khoshimkhujaev | Nam Jun Kang | Byoung Yong Moon

96. USING HEATING RELOCATION AND AIR DEHUMIDIFICATION/COOLING IN SOILLESS CUCUMBER CROP IN GREENHOUSE: APPLICATION IN THE WEST OF FRANCE

B. Albert | E. Brajeul | S. Le Quillec | D. Lesourd | D. Loda

97. EFFECT OF FRUIT QUALITY AND YIELD ON BED TEMPERATURE IN HIGH BED SYSTEM

Il Rae Rho | Ho Jeong Jeong | Heung Yong Jeon

98. WORK HOURS AND YIELD FOR LARGE-SCALE TOMATO PRODUCTION IN JAPAN

H. Kurosaki | H. Ohmori | H. Hamamoto | Y. Iwasaki

99. INFLUENCE OF LIGHT INTENSITY ON GROWTH AND CO₂ ASSIMILATION RATES OF THREE GENOTYPES OF CUCUMBER SEEDLINGS GROWN IN CHAMBERS

D. Ahn | T. Higashide | A. Nakano | Y. Kawasaki | Y. Iwasaki

100. EFFECT OF NURSERY ENVIRONMENTAL CONDITION AND DIFFERENT CULTIVARS ON SURVIVAL RATE OF GRAFTED TOMATO SEEDLING

Ngoc-Thang Vu | Zhi-Hao Xu | Young-Shik Kim | Ho-Min Kang | Il-Soep Kim

101. RED RASPBERRIES PRODUCTION UNDER HIGH TUNNEL, UMBRELLA-LIKE STRUCTURE AND OPEN FIELD UNDER NORTHERN CANADIAN CLIMATE

Q. Xu | A. Gosselin | Y. Desjardins | Y. Medina | L. Gauthier

102. PRODUCTION OF KOREAN GINSENG PLANTS (PANAX GINSENG C. A. MEYER) IN FULLY CLOSED PLANT FACTORIES

H.S. Doo | H.J. Bae | S.J. Kim | S.I. Jeong | Y.J. Shin | C.H. Chung | T.H. Kwon | J.Y. Park | C.H. Hong

103. PHOTO MORPHOGENESIS AND GINSENOSIDE CONTENTS ACCORDING TO LED WAVELENGTH AND MODULES FOR THE CULTIVATION OF GINSENG (PANAX GINSENG C. A. MEYER) IN PLANT FACTORIES

H.S. Doo | H.J. Bae | S.J. Kim | S.I. Jeong | Y.J. Shin | C.H. Chung | T.H. Kwon | J.Y. Park | C.H. Hong

104. THE EFFECT OF LED LIGHT SOURCE ON THE GROWTH AND YIELD OF GREENHOUSE GROWN TOMATO

Sun Yi Lee | Joon Kook Kwon | Kyoung Sub Park | Hyo Gil Choi

105. INTERACTION BETWEEN SILVER NANOPARTICLES AND PLANT GROWTH

N. Gruyer | M. Dorais | C. Bastien | N. Dassylva | G. Triffault-Bouchet

106. ESTIMATE OF THE LAI TO CALCULATE THE CO₂ CONSUMPTION OF LETTUCE LEAF

E.G. Choi | B.O. Jin | C.H. Kim | M.H. Kim | G.Y. Baek | B.E. Moon | S.Y. Lee | H.T. Kim

107. COMPARISON OF CHARACTERISTICS OF DIFFERENT OKRA (ABELMOSCHUS ESCULENTUS) CULTIVARS IN JEJU ISLAND

Daniel Son | Ki Cheol Seong | Chun Hwan Kim | Seong Cheol Kim | Chan Kyu Lim

108. BIOREGULATION POTENTIAL OF ARBUSCULAR MYCORRHIZAL FUNGI ON HEAT STRESS AND ANTHRACNOSE TOLERANCE IN CYCLAMEN

Y. Matsubara | C. Ishioka | M.A. Maya | J. Liu | Y. Takami

109. BOTRYTIS CINEREA SPECTRAL CHARACTERISTICS AND LIGHT SOURCE SENSITIVITY ANALYSIS IN THE GREENHOUSE

E.G. Choi | C.H. Kim | G.Y. Beak | M.H. Kim | H.T. Kim | D.E. Kim | Y.C. Yoon

110. LEDS SUPPLEMENTAL LIGHTING FOR VEGETABLE TRANSPLANT PRODUCTION: SPECTRAL EVALUATION AND COMPARISONS WITH HID TECHNOLOGY

R. Hernández | C. Kubota

111. THE LOWEST LIGHT INTENSITY OF COMPLEX LED MIXED RED AND FAR-RED LIGHT ON INHIBITION OF CHRYSANTHEMUM ‘IWA NO HAKUSEN’

Y. Liao | Y. Takai | A. Kato | K. Suzuki | D. Zhuang | R. Ogasawara | T. Shimazu | E. Kawamoto | H. Fukui

112. GROWTH AND PHYTOCHEMICALS IN LETTUCE AS AFFECTED BY DIFFERENT RATIOS OF BLUE TO RED LED RADIATION

Jae Su Lee | Tae Gyu Lim | Yong Hyeon Kim

113. EFFECTS OF LED LIGHT QUALITIES ON GROWTH AND PHOTOSYNTHETIC PIGMENTS OF ATRACTYLODES MACROCEPHALA

J.J. Zhao | Q.C. Yang | W.K. Liu

114. SUPPLEMENTAL LIGHTING FOR GREENHOUSE-GROWN TOMATOES: INTRACANOPY LED TOWERS VS. OVERHEAD HPS LAMPS

C. Gómez | C.A. Mitchell

115. IDENTIFYING THE OPTIMUM LIGHT CYCLE FOR LETTUCE GROWTH IN A PLANT FACTORY

R. Hiroki | H. Shimizu | A. Ito | H. Nakashima | J. Miyasaka | K. Ohdoi

116. LIGHT MANIPULATING IN GREENHOUSES FOR PLANT REQUIREMENTS

A.M. Almoshileh | M.A. Al-Dhuwaian

117. PULSING EFFECTS OF SUPPLEMENTAL LED LIGHTING ON CUCUMBER SEEDLINGS GROWTH AND MORPHOLOGY IN GREENHOUSE

R. Hernández | A. Dragotakes | C. Kubota

118. MATERIAL TECHNOLOGY OF DIFFUSE GREENHOUSE COVERING MATERIALS – INFLUENCE ON LIGHT TRANSMISSION, LIGHT SCATTERING AND LIGHT SPECTRUM

S. Hemming | V. Mohammadkhani | J. van Ruijven

119. COVERING PLASTIC FILMS FOR VINEYARD PROTECTED CULTIVATION

G. Vox | E. Schettini | G. Scarascia Mugnozza | L. Tarricone | L. de Palma

120. VARIATION OF THE MECHANICAL AND RADIOMETRIC PROPERTIES OF LDPE GREENHOUSE FILMS EXPOSED TO AGROCHEMICALS AND SOLAR RADIATION

L. Stefani | G. Vox | E. Schettini

121. EFFECTS OF SHADING BY NIR-EXCLUDING MATERIALS ON THE PHOTOSYNTHESIS AND TRANSPIRATION OF TOMATO PLANTS

Y. Ishigami | N. Kobayashi | E. Goto

122. AN OVERVIEW OF BIODEGRADABLE FILMS AND SPRAY COATINGS AS SUSTAINABLE ALTERNATIVE TO OIL-BASED MULCHING FILMS

G. Santagata | M. Malinconico | B. Immirzi | E. Schettini | G. Scarascia Mugnozza | G. Vox

123. OPTICAL CHARACTERISTICS OF THREE MULCHING MATERIALS FOR OPEN FIELD GARLIC PRODUCTION

J.K. Kwon | B. Khoshimkhujaev | J.M. Hwang

124. CHANGES IN SOIL MICROCLIMATES BY USING DIFFERENT MULCHES AND REMOVING TIME OF PE FILM IN GARLIC (ALLIUM SATIVUM) FIELD

K.S. Kwon | M.O.K. Azad | J.M. Hwang | J.K. Kwon

125. OPTICAL CHARACTERISTICS OF THREE WOVEN PLASTIC FILMS

B. Khoshimkhujaev | J.K. Kwon | K.S. Park | S.Y. Lee | H.G. Choi

126. EFFECT OF NET-COVERED WINDBREAK ON LEAKAGE RATE OF A GREENHOUSE

T. Kuroyanagi | S. Matsuda | H. Kawashima | Y. Nagasaki

127. DYNAMICS OF CLIMATIC CONDITIONS IN A GREENHOUSE: TWO LOCATIONS IN MEXICO

F. Rojano | J. Flores-Velázquez | F. Villarreal-Guerrero | A. Rojano

128. NEW DEVELOPMENT OF A STRAIGHTFORWARD METHOD OF ESTIMATING AGE-OF-AIR USING CFD

SeJun Park | In-bok Lee | Sewoon Hong

129. ASSESSING GREENHOUSE CLIMATE USING CFD: A FOCUS ON AIR HUMIDITY ISSUES

P.E. Bournet

130. OPTIMUM PHOTOBIOREACTOR DESIGN TO IMPROVE MICROALGAE PRODUCTIVITY USING CFD

Il-Hwan Seo | In-bok Lee | J.P. Bitog | Rack-Woo Kim

131. EXPERIMENTAL AND CFD RESULTS ON THE CO₂ DISTRIBUTION IN A SEMI CLOSED GREENHOUSE

J.C. Roy | J.B. Pouillard | T. Boulard | H. Fatnassi | A. Grisey

132. WIND PRESSURE COEFFICIENTS DETERMINATION FOR GREENHOUSE BUILT ON A RECLAIMED LAND

Taehwan Ha | In-bok Lee | Hyunseob Hwang | Jeongsu Ha

133. AIRFLOW AROUND AGRICULTURAL BUILDINGS: MEASUREMENTS IN A WIND TUNNEL AND DIRECT NUMERICAL SIMULATION

G.K. Ntinas | G. Zhang | V.P. Fragos

134. ANALYSIS OF THE TIME EVOLUTION OF THE INTERCEPTED RADIATION INSIDE A CROP USING CFD

B. Morille | P.E. Bournet | C. Migeon

135. CFD MODELING OF MICROCLIMATE IN THE LEAF BOUNDARY LAYER, ECOLOGICAL NICHE OF PESTS

H. Fatnassi | T. Boulard | C. Poncet | T. Bartzanas | N. Katsoulas | M. Kacira

136. GREENHOUSE AIR DYNAMICS IN FOLIAGE

F. Rojano | J. Flores-Velázquez | F. Villarreal-Guerrero | A. Rojano

137. CO-SIMULATION OF THE MICROCLIMATE INSIDE A GREENHOUSE BY COUPLING ENERGY AND CFD MODELS

L. Serir | P.E. Bournet

138. ASSESSING THE DAILY EVOLUTION OF THE CLIMATE INSIDE A GREENHOUSE UNDER SEMI-ARID CONDITIONS USING FIELD SURVEYS AND CFD MODELLING

K. Mesmoudi | P.E. Bournet

139. SOIL EROSION PREDICTION IN DRY FIELD USING COMPUTATIONAL FLUID DYNAMICS SIMULATION

H.-S. Hwang | S.-W. Hong | I.-B. Lee | K.-S. Kwon

140. SAWDUST AND COCO COIR AS GROWING MEDIA FOR GREENHOUSE CHERRY TOMATOES

A. Ramírez-Arias | J. Pineda-Pineda | M. Gutiérrez | W. Ojeda-Bustamante

141. USE OF A DECISION SUPPORT SYSTEM FOR MANAGEMENT OF THE DRAINAGE SOLUTION IN SEMI-CLOSED HYDROPONIC SYSTEMS UNDER DIFFERENT DRAINAGE FRACTIONS

N. Katsoulas | C. Kittas | T. Bartzanas | D. Savvas

142. INTRODUCING A POTENTIALLY ORGANIC HYDROPONICS SYSTEM IN PRODUCTION OF POT GERBERA FLOWERS

Z. Farajollahzadeh | E. Hadavi | A. Khandan-Mirkohi

143. PREDICTING TOMATO TRANSPLANT WATER NEED GROWN UNDER DIFFERENT ECS OF NUTRIENT SOLUTION

M. Delshad | N. Heydari

144. ALTERNATIVE GROWING MEDIA FOR GROWBAG TOMATO PRODUCTION IN KUWAIT

M. Albaho | B. Thomas | S. Isathali | P. George | D. Ghloum

145. APPLICATION OF VINEGAR RESIDUE SUBSTRATE IN NURSERY AND CULTIVATION OF TOMATO

Yu Zhang | Jin Sun | Shuhai Li | Sheng Shu | Shirong Guo

146. COMPARATIVE ANALYSIS OF FOUR COST EFFECTIVE LABORATORY METHODS FOR QUANTIFICATION OF MICROALGAE BIOMASS IN CONTROLLED ENVIRONMENT WASTEWATER AND NUTRIENT MEDIA

J. Lowrey | I. Yildiz

147. INVESTIGATION OF HETEROTROPHIC CULTIVATION POTENTIAL OF CHLORELLA VULGARIS AND TETRASELMIS CHUII IN CONTROLLED ENVIRONMENT WASTEWATER GROWTH MEDIA FROM DAIRY, POULTRY AND AQUACULTURE INDUSTRIES

J. Lowrey | I. Yildiz

148. EFFECT OF CONCENTRATION OF NUTRIENT SOLUTION ON THE GROWTH AND YIELD OF ROSES DURING THE JUVENILE PERIOD AND MORE THAN ONE YEAR AFTER TRANSPLANTING USING COIR SUBSTRATE IN HYDROPONICS

G.L. Choi | M.W. Cho | J.W. Cheong | H.C. Rhee | K.H. Yeo | N.J. Kang

149. EFFECTS OF NUTRIENT MANAGEMENT ON YELLOW SHOULDER FRUIT INCIDENCE AND CAROTENOID METABOLISM FOR TOMATO GROWN IN THE EXTREMELY LOW VOLUME SUBSTRATE

Yiting Zhang | Y. Kiriiwa | A. Nukaya

150. EFFECTS OF NATURAL VENTILATION RATE ON TEMPERATURE AND RELATIVE HUMIDITY IN A NATURALLY VENTILATED GREENHOUSE WITH HIGH PRESSURE FOGGING SYSTEM

M. Ishii | L. Okushima | H. Moriyama | S. Sase | T. Takakura | M. Kacira

151. EXPOSURE OF GREENHOUSE WORKERS TO PESTICIDES

C. Kittas | N. Katsoulas | T. Bartzanas | M. Kacira | T. Boulard

152. PLANT SIZE AT FLOWER INDUCTION AFFECTS FLOWERING OF PHALAENOPSIS ORCHIDS

R. Paradiso | S. De Pascale

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