Potatoes: Production, Marketing, And Programs For Developing CountriesAvalon Publishing, 23 thg 4, 1987 - 244 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 1-3 trong 78
Trang 27
... plant and the physical and socioeconomic environment in which it is grown . This chapter describes the potato plant and the physical factors that influence its growth and yield . Socioeconomic factors affecting potato production and use ...
... plant and the physical and socioeconomic environment in which it is grown . This chapter describes the potato plant and the physical factors that influence its growth and yield . Socioeconomic factors affecting potato production and use ...
Trang 37
... plant moisture stress even when the soil moisture content is high . Furthermore , the rate of net photosynthesis decreases when temperatures are higher than about 25 degrees C. The second and more critical variable is minimum nighttime ...
... plant moisture stress even when the soil moisture content is high . Furthermore , the rate of net photosynthesis decreases when temperatures are higher than about 25 degrees C. The second and more critical variable is minimum nighttime ...
Trang 187
... plant a small seed plot in early autumn and harvest it in January , before the buildup of aphids . The harvested seed is kept in cold storage until planting time the next season . By following the recommendations , farmers can keep ...
... plant a small seed plot in early autumn and harvest it in January , before the buildup of aphids . The harvested seed is kept in cold storage until planting time the next season . By following the recommendations , farmers can keep ...
Nội dung
Introduction | 1 |
The potato crop and its physical environment | 27 |
Supply demand and marketing | 63 |
Bản quyền | |
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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 research America Andean average bacterial wilt Bangladesh Benguet Province Bogra breeding cassava cereals Chile cold storage consumer potatoes Dalat demand for potatoes developing areas developing countries economic elasticity of demand estimates Europe farmers farms food balance sheets food crops grow potatoes growers growth harvest hectare impact imported seed improved increase India inputs insect institutions International Potato Center irrigation Kenya kilograms late blight levels Lima livestock lowland areas lowland tropical maize Mantaro Valley national programs nematode percent Peru pesticides plant PNAP post-harvest potato consumption potato crop potato cultivation potato production potato programs potato research potato varieties potato yields potatoes are grown production costs protein regions research and extension resistance rice root crops Rwanda season seed potatoes seed production seed program seed tubers soil South America sprout Sri Lanka staple food supply temperatures tons tropics and subtropics usually vegetable virus diseases