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 46
Trang vi
... research and extension ..... Setting research and extension priorities . .. 155 .. 156 158 Bibliographic notes .. Potato programs 8 Impact of potato programs ... 168 ... .. 179 .. 181 Methods for assessing impact . Illustrative cases ...
... research and extension ..... Setting research and extension priorities . .. 155 .. 156 158 Bibliographic notes .. Potato programs 8 Impact of potato programs ... 168 ... .. 179 .. 181 Methods for assessing impact . Illustrative cases ...
Trang 2
... research and extension in developing countries ? 9. What are the essential ingredients of a successful potato program ? 10. What impact have successful potato programs had ? 11. What are the future prospects for potatoes in developing ...
... research and extension in developing countries ? 9. What are the essential ingredients of a successful potato program ? 10. What impact have successful potato programs had ? 11. What are the future prospects for potatoes in developing ...
Trang 13
... researchers in every country is to improve the database on national potato production and use . Such information can be invaluable in planning , implementing , and evaluating the impact of research and extension programs . Production ...
... researchers in every country is to improve the database on national potato production and use . Such information can be invaluable in planning , implementing , and evaluating the impact of research and extension programs . Production ...
Trang 60
... research and extension , need to be geared to the existing land tenure system , and changes in tenure patterns require corresponding adjustments in these systems . Large - scale potato farms can afford to perform a number of marketing ...
... research and extension , need to be geared to the existing land tenure system , and changes in tenure patterns require corresponding adjustments in these systems . Large - scale potato farms can afford to perform a number of marketing ...
Trang 61
... research and extension efforts will be able to accomplish much in terms of increasing production or rural welfare . Agricultural research policy Research policy is probably the single strongest instrument the public sector can employ to ...
... research and extension efforts will be able to accomplish much in terms of increasing production or rural welfare . Agricultural research policy Research policy is probably the single strongest instrument the public sector can employ to ...
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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