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 40
Trang ix
... period on the staff of the International Potato Center with a year at the International Food Policy Research Institute ( IFPRI ) so as to make a synthesis of the technical and economic aspects of ix Foreword, J Mellor and R L Sawyer.
... period on the staff of the International Potato Center with a year at the International Food Policy Research Institute ( IFPRI ) so as to make a synthesis of the technical and economic aspects of ix Foreword, J Mellor and R L Sawyer.
Trang 22
... period , potato technology has improved more substan- tially in developing countries than in developed countries . Despite these trends , potato yields in developing countries are still less TABLE 5 The Ten Food Crops with the Highest ...
... period , potato technology has improved more substan- tially in developing countries than in developed countries . Despite these trends , potato yields in developing countries are still less TABLE 5 The Ten Food Crops with the Highest ...
Trang 23
... period , potatoes rank even higher in terms of dry matter pro- duction per day ( Table 6 ) . In terms of the nutrients available for human consumption , potatoes are also highly productive in relation to other crops grown in developing ...
... period , potatoes rank even higher in terms of dry matter pro- duction per day ( Table 6 ) . In terms of the nutrients available for human consumption , potatoes are also highly productive in relation to other crops grown in developing ...
Trang 32
... period , and under short - day conditions ( as in the plains of India and Pakistan ) also tend to have a shorter dormancy period than those grown in areas with long days and cool temperatures ( as in northern Europe ) . Storage ...
... period , and under short - day conditions ( as in the plains of India and Pakistan ) also tend to have a shorter dormancy period than those grown in areas with long days and cool temperatures ( as in northern Europe ) . Storage ...
Trang 33
... period between planting and crop emergence is the most delicate stage of the potato crop's growth . Therefore , yields are strongly influenced by the physiological stage of seed tubers at planting time . Tubers should be sprouted before ...
... period between planting and crop emergence is the most delicate stage of the potato crop's growth . Therefore , yields are strongly influenced by the physiological stage of seed tubers at planting time . Tubers should be sprouted before ...
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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