Potatoes: Production, Marketing, And Programs For Developing CountriesAvalon Publishing, 23 thg 4, 1987 - 244 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. |
Từ bên trong sách
Kết quả 1-3 trong 61
Trang 122
... Harvesting and post - harvest technology . Potatoes can be har- vested at any time after tuber formation begins . The option of early harvesting — that is , prior to senescence - allows potatoes to fill niches in many cropping systems ...
... Harvesting and post - harvest technology . Potatoes can be har- vested at any time after tuber formation begins . The option of early harvesting — that is , prior to senescence - allows potatoes to fill niches in many cropping systems ...
Trang 126
... Harvesting and post - harvest technology . Farmers harvest early if another crop can be planted after potatoes , if they expect prices to fall , or if pests or adverse weather are likely to cause losses . Farmers rarely delay the harvest ...
... Harvesting and post - harvest technology . Farmers harvest early if another crop can be planted after potatoes , if they expect prices to fall , or if pests or adverse weather are likely to cause losses . Farmers rarely delay the harvest ...
Trang 139
... harvest in shaded , naturally ventilated structures until the fol- lowing year's early planting . But the stored tubers are vulnerable to desiccation and insect damage , and they often are carriers of virus diseases . Most farmers plow ...
... harvest in shaded , naturally ventilated structures until the fol- lowing year's early planting . But the stored tubers are vulnerable to desiccation and insect damage , and they often are carriers of virus diseases . Most farmers plow ...
Nội dung
Introduction | 1 |
The potato crop and its physical environment | 27 |
Supply demand and marketing | 63 |
Bản quyền | |
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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
Africa agricultural research America Andean average bacterial wilt Bangladesh Benguet Province Bogra breeding cassava cereals Chile cold storage consumer potatoes Dalat demand for potatoes developing areas developing countries economic elasticity of demand estimates Europe farmers farms food balance sheets food crops grow potatoes growers growth harvest hectare impact imported seed improved increase India inputs insect institutions International Potato Center irrigation Kenya kilograms late blight levels Lima livestock lowland areas lowland tropical maize Mantaro Valley national programs nematode percent Peru pesticides plant PNAP post-harvest potato consumption potato crop potato cultivation potato production potato programs potato research potato varieties potato yields potatoes are grown production costs protein regions research and extension resistance rice root crops Rwanda season seed potatoes seed production seed program seed tubers soil South America sprout Sri Lanka staple food supply temperatures tons tropics and subtropics usually vegetable virus diseases