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 25
Trang 36
... practices in order to make available varieties fit their cropping system . The physical environment Environmental conditions influence whether farmers will grow potatoes and , if so , how . They also affect yield levels and how the ...
... practices in order to make available varieties fit their cropping system . The physical environment Environmental conditions influence whether farmers will grow potatoes and , if so , how . They also affect yield levels and how the ...
Trang 39
... . As farmers begin growing earlier varieties adapted to warmer growing conditions and using cultural practices that moderate the adverse effect of warm weather on growth of the potato crop , potato The crop and its environment 39.
... . As farmers begin growing earlier varieties adapted to warmer growing conditions and using cultural practices that moderate the adverse effect of warm weather on growth of the potato crop , potato The crop and its environment 39.
Trang 46
... practices . To obtain high yields , farmers need to plant the right variety for their location , use healthy seed that is in good physiological condition , and pay close attention to soil moisture , fertilization , and pest manage- ment ...
... practices . To obtain high yields , farmers need to plant the right variety for their location , use healthy seed that is in good physiological condition , and pay close attention to soil moisture , fertilization , and pest manage- ment ...
Trang 47
... practices . Decay of tubers and fungal and bacterial problems in storage may stem from waterlogged soils or rainy weather at harvest time . Growth cracks are caused by irregular water supply during the season . Under similar growing ...
... practices . Decay of tubers and fungal and bacterial problems in storage may stem from waterlogged soils or rainy weather at harvest time . Growth cracks are caused by irregular water supply during the season . Under similar growing ...
Trang 63
... practices . This is sometimes , but not always , the case . Supply and demand The branch of economics known as price analysis provides a useful framework for understanding how prices are determined and for pinpointing marketing problems ...
... practices . This is sometimes , but not always , the case . Supply and demand The branch of economics known as price analysis provides a useful framework for understanding how prices are determined and for pinpointing marketing problems ...
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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 |
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