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 29
Trang vi
... Temperate - zone production .. Mediterranean potato production .... 127 131 Examples of production systems . 131 Bibliographic notes .. .. 153 7 Research priorities and potato programs The case for potato research and extension ...
... Temperate - zone production .. Mediterranean potato production .... 127 131 Examples of production systems . 131 Bibliographic notes .. .. 153 7 Research priorities and potato programs The case for potato research and extension ...
Trang 19
... temperate to the tropical and subtropical zones . Only about 60 percent of the world's potatoes are now grown in Europe ; 10 percent are grown in other developed countries , and 30 percent in developing countries . Consumption ...
... temperate to the tropical and subtropical zones . Only about 60 percent of the world's potatoes are now grown in Europe ; 10 percent are grown in other developed countries , and 30 percent in developing countries . Consumption ...
Trang 21
... temperate or highland production zones . Potato consumption is rising particularly rapidly in new areas - areas where the demand for food is growing fast and technological change has lowered unit production costs , making potato growing ...
... temperate or highland production zones . Potato consumption is rising particularly rapidly in new areas - areas where the demand for food is growing fast and technological change has lowered unit production costs , making potato growing ...
Trang 36
... temperate zones than in the tropics . Differences in final yield are offset by a longer growing season in some tropical areas , but in others both the daylength and the growing period for potatoes are shorter than in temperate zones ...
... temperate zones than in the tropics . Differences in final yield are offset by a longer growing season in some tropical areas , but in others both the daylength and the growing period for potatoes are shorter than in temperate zones ...
Trang 37
... temperate zones . For these reasons , as well as to minimize exposure to pests and climatic hazards , early- maturing varieties are usually desirable in the tropics . Two aspects of temperature are particularly significant for potato ...
... temperate zones . For these reasons , as well as to minimize exposure to pests and climatic hazards , early- maturing varieties are usually desirable in the tropics . Two aspects of temperature are particularly significant for potato ...
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 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