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. |
Từ bên trong sách
Kết quả 1-5 trong 60
Trang ix
... increases in demand for food in human history . This explosion derives from rapid population growth , especially in ... increase for most people . If food production is to keep pace with the demand and be a dynamic source of income ...
... increases in demand for food in human history . This explosion derives from rapid population growth , especially in ... increase for most people . If food production is to keep pace with the demand and be a dynamic source of income ...
Trang 5
... increased : in North America and Oceania by 1 to 2 percent per year ; in Latin America by nearly 3 percent per year ; and in Africa and Asia by 4 percent per year . In the developing countries , total potato production has more than ...
... increased : in North America and Oceania by 1 to 2 percent per year ; in Latin America by nearly 3 percent per year ; and in Africa and Asia by 4 percent per year . In the developing countries , total potato production has more than ...
Trang 11
... increased . Potatoes were introduced into Tibet from both China and India . By 1900 the chief dish of the Tibetans was reported to be a stew of meat and potatoes , turnips , cabbage , and other vegetables accompanied with dried cheese ...
... increased . Potatoes were introduced into Tibet from both China and India . By 1900 the chief dish of the Tibetans was reported to be a stew of meat and potatoes , turnips , cabbage , and other vegetables accompanied with dried cheese ...
Trang 18
... increases in cereal yields , reflecting greater improvement in cereal varieties and production systems . As a result ... increased at least as much as cereal yields and much more than yields of other root crops . Improvements in ...
... increases in cereal yields , reflecting greater improvement in cereal varieties and production systems . As a result ... increased at least as much as cereal yields and much more than yields of other root crops . Improvements in ...
Trang 21
... increasing yields have reduced the share of the crop that must be reserved for seed . In contrast to the immense international trade in the major cereal grains , only a small portion of the world's potatoes- about 2 percent - are ...
... increasing yields have reduced the share of the crop that must be reserved for seed . In contrast to the immense international trade in the major cereal grains , only a small portion of the world's potatoes- about 2 percent - are ...
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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 |
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Africa agricultural agricultural research America areas average Bangladesh blight breeding capita Central cereals changes commodity consumers costs crop cultivation demand depends developing countries diseases early economic effect estimates Europe example expand farmers farms fertilizers field food crops growing grown growth harvest hectare higher highland impact important improved income increase India inputs insect institutions International Potato Center land late less levels Lima limited losses lower lowland major Mantaro Valley needs North percent period Peru pests plant policies population potato consumption potato crop potato prices potato production potato programs practices priorities problems processing projections rates reduce regions relative requirements research and extension resistance result rice root Rwanda season seed tubers selection soil South South Korea sprout storage stored supply Table temperate temperatures tons tropical usually varieties vegetable virus yields zones