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 43
Trang 35
... late varieties , which needs to be kept in mind , is that their prolonged exposure to drought , pests , and other hazards may limit yields or lower the quality of harvested tubers . Three periods can be distinguished in the potato's ...
... late varieties , which needs to be kept in mind , is that their prolonged exposure to drought , pests , and other hazards may limit yields or lower the quality of harvested tubers . Three periods can be distinguished in the potato's ...
Trang 118
... late plantings may be possible in irrigated , frost - free areas . Farmers in lower areas , where frost is not a problem , have more choice in their planting decisions . Never- theless , the threat of typhoons or outbreaks of late ...
... late plantings may be possible in irrigated , frost - free areas . Farmers in lower areas , where frost is not a problem , have more choice in their planting decisions . Never- theless , the threat of typhoons or outbreaks of late ...
Trang 190
... late blight and bacterial wilt . Most were from the CIP , others came from Belgium and Uganda . PNAP selected and named four late - blight resistant varieties in 1982. Rapid selection of improved varieties was aided by weather ...
... late blight and bacterial wilt . Most were from the CIP , others came from Belgium and Uganda . PNAP selected and named four late - blight resistant varieties in 1982. Rapid selection of improved varieties was aided by weather ...
Nội dung
Introduction | 1 |
The potato crop and its physical environment | 27 |
Supply demand and marketing | 63 |
Bản quyền | |
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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 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