Transactions of the ASAE · 1981 · 12 citations · 0 references
AgricultureAgronomyCrop SciencesControlled Environment AgricultureCrop PhysiologyCrop ProductionCrop GrowthCrop-environment InteractionsGreenhouse Crop Production SystemsPlant GrowthVegetable Crop ProductionCrop YieldsEnvironmental FactorsGreenhouse Lettuce ProductionLettuce ProductionYield Response To Environment
ABSTRACT THE growth and yield responses of Grand Rapids let-tuce to physical and environment factors of a Con-trolled Environment Plant Growth (CEPG) unit are presented. Changes in the environment were made and resulting yields are given. Data presented also shows losses in the root, unmarketable leaves and mortality.