10 December 2007 THe Green Revolution

10 December 2007 THe Green Revolution - 10 December 2007...

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10 December 2007 The Green Revolution Bali o Traditional Bali Rice Cultivators Padi Del (6 months for maturity) Padi Chi Chi (4 months maturity) o Traditional Vegetables—Polyculture plots (rotation after 1 or 2 rice plantings) Kangkung (water spinach leaf), duan sawi (cassava leaf), sela (cassava tubercle), bayem (spinach), keladi (taro), and a variety of beans Also cabbage and carrots (Europe) and maize, tomato, potato (America) o The Green Revolution (1970’s) High yield rice (3 months) Only a single type of rice as opposed to before when they had several different kinds Agrochemical inputs No rotation It depletes the soil fertility over time No polyculture Average production increase from 2.14 tons of padi rice per ha per year to 4.23 tons per ha per year Largely self-sufficient after 1985, but: Brown planthopper infestations Household yields erratic Household debt increases Increased erosion Water contamination
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10 December 2007 THe Green Revolution - 10 December 2007...

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