C ENV 110 Lecture Notes - Lecture 3: Food Energy, Hectare, Photosynthesis
9 Dec 2016
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C env 110 lecture 3 world food production. Hectare (ha): an area of 100m x 100m (slightly larger than a football field) Kilo-calorie: measure of food energy: energy capable of heating 1kg of water 1 degree celsius. Famine 1975: said that: famines will be catastrophic, revolutions and social turmoil and economic upheavals will sweep areas of asia, africa, and. Latin america: collision is inevitable, famines are inevitable. There have been famines but haven"t been in any sense widespread. The technology used in other places to increase food production had already been in use in. World food production increased faster than the human population. Total yield = area planted times yield per area. Increase in yield per area: better genetic strains of crops. Starting in 1935, due to modern crop production technology, increased production. Not just to corn but to almost every other major crop: cotton, wheat, tobacco, oats, potatoes, barley, etc.
