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 88
Trang 18
... yields have not kept pace with increases in cereal yields , reflecting greater improvement in cereal varieties and production systems . As a result , potatoes have become more costly than other energy sources , and use of potatoes for ...
... yields have not kept pace with increases in cereal yields , reflecting greater improvement in cereal varieties and production systems . As a result , potatoes have become more costly than other energy sources , and use of potatoes for ...
Trang 46
... yield is determined by the length of the growing season and the average tuber production per day . Maximum yields require a high level of daily production over a long period . In some areas , farmers purposely sacrifice yields by ...
... yield is determined by the length of the growing season and the average tuber production per day . Maximum yields require a high level of daily production over a long period . In some areas , farmers purposely sacrifice yields by ...
Trang 210
... yields . Two important goals for potato research and extension are to reduce the costs and risks of potato production . Because potatoes are not easily stored for long periods or easily shipped over long distances , fluctuations in ...
... yields . Two important goals for potato research and extension are to reduce the costs and risks of potato production . Because potatoes are not easily stored for long periods or easily shipped over long distances , fluctuations in ...
Nội dung
Introduction | 1 |
The potato crop and its physical environment | 27 |
Supply demand and marketing | 63 |
Bản quyền | |
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Ấn bản in khác - Xem tất cả
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