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 52
Trang 5
... less than half a percent per year . However , this lackluster global trend masks strongly divergent regional and national changes . In Western Europe , average potato production has dropped by 1.5 percent a year , while in Eastern ...
... less than half a percent per year . However , this lackluster global trend masks strongly divergent regional and national changes . In Western Europe , average potato production has dropped by 1.5 percent a year , while in Eastern ...
Trang 11
... less fertile areas . It is not known when the potato reached Korea , but Koreans have long grown the crop , and in some mountainous areas , potatoes are an important livestock feed and dietary staple . Potatoes were introduced into ...
... less fertile areas . It is not known when the potato reached Korea , but Koreans have long grown the crop , and in some mountainous areas , potatoes are an important livestock feed and dietary staple . Potatoes were introduced into ...
Trang 12
... less attention . Statisticians also have difficulty estimating the production of crops like potatoes that are often grown in isolated areas on small , 12 Patterns in production and use Recent trends in potato production and use.
... less attention . Statisticians also have difficulty estimating the production of crops like potatoes that are often grown in isolated areas on small , 12 Patterns in production and use Recent trends in potato production and use.
Trang 15
... less than 5 percent are cultivated in Africa and the Middle East . Germany , once the world's leading potato producer , has reg- istered a precipitous decline in production . Since 1960 , potato production in West Germany has fallen by ...
... less than 5 percent are cultivated in Africa and the Middle East . Germany , once the world's leading potato producer , has reg- istered a precipitous decline in production . Since 1960 , potato production in West Germany has fallen by ...
Trang 16
... less rapidly , in part because consumers are diversifying their diets and moving away from traditional staples . Agricultural and trade policies have also discouraged potato production in some countries , like Peru . Potato Production ...
... less rapidly , in part because consumers are diversifying their diets and moving away from traditional staples . Agricultural and trade policies have also discouraged potato production in some countries , like Peru . Potato Production ...
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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