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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Trang ii
... Farm Development : Understanding and Improving Farming Systems in the Humid Tropics , Richard R. Harwood Successful Seed Programs : A Planning and Management Guide , Johnson E. Douglas Tomatoes in the Tropics , Ruben L. Villareal Wheat ...
... Farm Development : Understanding and Improving Farming Systems in the Humid Tropics , Richard R. Harwood Successful Seed Programs : A Planning and Management Guide , Johnson E. Douglas Tomatoes in the Tropics , Ruben L. Villareal Wheat ...
Trang 19
... farms , but now they are produced separately on large , specialized farms in different areas . Swine producers find it more profitable to feed concentrated rations of barley , cassava chips , and soybeans than to feed boiled or ensiled ...
... farms , but now they are produced separately on large , specialized farms in different areas . Swine producers find it more profitable to feed concentrated rations of barley , cassava chips , and soybeans than to feed boiled or ensiled ...
Trang 21
... farmers expanded potato cultivation two centuries ago and why farmers in developing countries are doing so today is that , with appropriate technology , the potato crop is highly productive . As a means of comparing the productivity of ...
... farmers expanded potato cultivation two centuries ago and why farmers in developing countries are doing so today is that , with appropriate technology , the potato crop is highly productive . As a means of comparing the productivity of ...
Trang 28
... farmers in such widely dispersed locations as Ireland , Newfoundland , Peru , Guatemala , the Hi- malayas , and Rwanda leave some tubers in the ground to serve as seed for the next crop . In most areas , however , farmers eliminate ...
... farmers in such widely dispersed locations as Ireland , Newfoundland , Peru , Guatemala , the Hi- malayas , and Rwanda leave some tubers in the ground to serve as seed for the next crop . In most areas , however , farmers eliminate ...
Trang 32
... farmers prefer to plant small seed tubers . The number of eyes that sprout is related to the physiological stage of the tuber when it is planted . After being harvested , tubers pass through four stages : dormancy , apical dominance ...
... farmers prefer to plant small seed tubers . The number of eyes that sprout is related to the physiological stage of the tuber when it is planted . After being harvested , tubers pass through four stages : dormancy , apical dominance ...
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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