Articles
DECISIONS AND RISK FOR HYDROPONIC GREENHOUSE TOMATO PRODUCTION
Article number
491_49
Pages
325 – 330
Language
Abstract
A decision model for hydroponic tomato production (HYTODMOD) was developed for achieving high yield, high quality fruit.
The model was based on five key tests during each of five growth stages.
The five growth stages were germination and early growth, seedling, vegetative, early fruiting and mature fruiting.
The five key tests included hydrogen ion concentration of the feeding solution, electrical conductivity of the feeding solution, root temperature, greenhouse air temperature. and air relative humidity.
Ranges of risk for the five tests were developed and utility theory was used to prioritize actions needed to correct high risk test levels.
HYTODMOD was validated by comparing the model recommendations with four experts who were each given 25 hypothetical and random production situations.
The model was based on five key tests during each of five growth stages.
The five growth stages were germination and early growth, seedling, vegetative, early fruiting and mature fruiting.
The five key tests included hydrogen ion concentration of the feeding solution, electrical conductivity of the feeding solution, root temperature, greenhouse air temperature. and air relative humidity.
Ranges of risk for the five tests were developed and utility theory was used to prioritize actions needed to correct high risk test levels.
HYTODMOD was validated by comparing the model recommendations with four experts who were each given 25 hypothetical and random production situations.
Publication
Authors
T.H. Short, A. El-Attal, H.M. Keener
Keywords
Decision Analysis, controlled environment agriculture, greenhouse systems
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