J Lecture 14 - The Ecology of Agriculture

J Lecture 14 The - The Ecology of Agriculture The Good and the Very Bad eturn to The Omnivore’s Dilemma • Pages 185-225 rass farming a more

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Unformatted text preview: The Ecology of Agriculture: The Good and the Very Bad eturn to The Omnivore’s Dilemma • Pages 185-225 rass farming: a more efficient use of unlight oel Salatin at Polyface Farm, Virginia ttp://www.polyfacefarms.com/principles.aspx Photosynthesis arbon dioxide + water + sunlight = arbohydrate + oxygen Hydrogen Oxygen Carbon Water Carbon dioxide Stroma Inside a granum Hydrogen Oxygen Carbon Water Carbon dioxide Oxygen O 2 arbohydrate CH 2 O Oxygen O 2 arbohydrate CH 2 O rass can do this with little or no elp from man. Corn on the other and, is highly reliant on man for its survival. Grass growth 1 2 3 4 5 First Bite Time (days) Grass growth 1 2 3 4 5 Slow recovery phase Time (days) Grass growth 1 2 3 4 5 “Blaze of Growth” When grass has highest energy value Time (days) Grass growth 1 2 3 4 5 Senescence Flowering and seeding Woody growth Time (days) Grass growth 1 2 3 4 5 “Blaze of Growth” When grass has highest energy value The optimal time to graze Time (days) Fat and protein...
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This note was uploaded on 05/18/2008 for the course BIO 105 taught by Professor Adler,irschick,podos during the Fall '08 term at UMass (Amherst).

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J Lecture 14 The - The Ecology of Agriculture The Good and the Very Bad eturn to The Omnivore’s Dilemma • Pages 185-225 rass farming a more

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