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 41
Trang 165
... pests and diseases . However , where resistant varieties are not available , use of chemical pesticides is climbing . This trend reflects both the effectiveness of chemicals against many pests ( at least in the short run ) and the ...
... pests and diseases . However , where resistant varieties are not available , use of chemical pesticides is climbing . This trend reflects both the effectiveness of chemicals against many pests ( at least in the short run ) and the ...
Trang 172
... Pests and diseases . In pest research , CIP seeks to identify resistant varieties and management techniques for better control with more moderate use of insecticides . Among the pests and diseases of the potato , late blight , which is ...
... Pests and diseases . In pest research , CIP seeks to identify resistant varieties and management techniques for better control with more moderate use of insecticides . Among the pests and diseases of the potato , late blight , which is ...
Trang 209
... pests and diseases , adaptation to extremes of cold and heat , and a vast array of tuber colors , sizes , shapes , and compositions . Most potatoes grown outside of South America have been derived from the few potatoes taken to Europe ...
... pests and diseases , adaptation to extremes of cold and heat , and a vast array of tuber colors , sizes , shapes , and compositions . Most potatoes grown outside of South America have been derived from the few potatoes taken to Europe ...
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