Potatoes: Production, Marketing, And Programs For Developing CountriesInternational Potato Center, 23 thg 4, 1987 - 243 trang World patterns and trends in potato production and use; The potato crop and its physical environment; The socioeconomic environment: Levels of development and public policies; Supply, demand, and marketing; Potato nutrition and consuption; Potato production systems; Research priorities and potato programs; Impact of potato programs; Summing up. |
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Kết quả 1-5 trong 33
Trang 39
... fertilizers , most growers apply fertilizers . Although recommendations on the amount and ratio of fertilizer nutrients to apply to potatoes must be based on local experience and trials in farmers ' fields , a few generalizations can be ...
... fertilizers , most growers apply fertilizers . Although recommendations on the amount and ratio of fertilizer nutrients to apply to potatoes must be based on local experience and trials in farmers ' fields , a few generalizations can be ...
Trang 48
... fertilizers , pesticides , additional labor , and other forms of energy - motivates farmers to use inputs more heavily on potatoes than on other crops . Because of the relatively high level of potato yields , the short growing period ...
... fertilizers , pesticides , additional labor , and other forms of energy - motivates farmers to use inputs more heavily on potatoes than on other crops . Because of the relatively high level of potato yields , the short growing period ...
Trang 55
... fertilizers , and pesticides . Rising incomes stimulate demand for exotic and therefore costly foods to diversify diets . This trend is most pronounced in the cities , where consumers tend to emulate foreign dietary patterns . Hence ...
... fertilizers , and pesticides . Rising incomes stimulate demand for exotic and therefore costly foods to diversify diets . This trend is most pronounced in the cities , where consumers tend to emulate foreign dietary patterns . Hence ...
Trang 56
... fertilizers and pesticides . General economic development is intrinsically linked to the expansion and integration of markets . In subsistence economies , most agricultural inputs - land , labor , manure , implements , and draft animals ...
... fertilizers and pesticides . General economic development is intrinsically linked to the expansion and integration of markets . In subsistence economies , most agricultural inputs - land , labor , manure , implements , and draft animals ...
Trang 57
... fertilizers and pesticides are applied to increase and stabilize yields . The levels of productivity and value added per hectare rise . However , cash returns and net incomes often fluctuate substantially from year to year in response ...
... fertilizers and pesticides are applied to increase and stabilize yields . The levels of productivity and value added per hectare rise . However , cash returns and net incomes often fluctuate substantially from year to year in response ...
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Potatoes: Production, Marketing, And Programs For Developing Countries Douglas Horton Xem trước bị giới hạn - 2019 |
POTATOES: Production, Marketing, and Programs for Developing Countries DOUGLAS. HORTON Không có bản xem trước - 2019 |
Thuật ngữ và cụm từ thông dụng
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