Friday, November 13, 2009

ag (1113) - Lettuce: affecting growth

at first, we were analyzing graphs, pretty straight forward.

as temp increases, both photosynthesis and respiration increase.. but like after 40 it drops. and photosynthesis increases as light intensity increases, except over 30000lux

also.. plants mostly use indigo and orange light to photosynthesize, hardly use blue, green or yellow, and done use red at all.

we also talked about P = G + E again

phenotype = genotype + environment

its mostly environmental factors that affect a plant's growth.. mostly management in fact, and competition actually affects plants the least.

and letsee.. to ensure heaps of glucose is there for respiration.. just keep the plant healthy and free of pests and diseases.. understandable i guess.

heat beds in greenhouses can regulate soil temperature and irrigation still controls water levels and temperature

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