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 81
Trang 18
... Potato yields have risen throughout the world , most notably in developing regions . In Europe , since World War II , increases in potato ... yields of other root crops . Improvements in varieties 18 Patterns in production and use.
... Potato yields have risen throughout the world , most notably in developing regions . In Europe , since World War II , increases in potato ... yields of other root crops . Improvements in varieties 18 Patterns in production and use.
Trang 48
... potato cannot be grown as a food crop in the vast lowland tropics that have high night temperatures . Generally , the potato can be characterized as a high - input , high - output , high - risk crop . The great responsiveness of yields ...
... potato cannot be grown as a food crop in the vast lowland tropics that have high night temperatures . Generally , the potato can be characterized as a high - input , high - output , high - risk crop . The great responsiveness of yields ...
Trang 119
... tubers and less seed per hectare than extension agents recommend . As average potato yields are low and crop failure is frequent , this practice reduces production risk . Farmers in lower areas , where irrigation is more common and yields ...
... tubers and less seed per hectare than extension agents recommend . As average potato yields are low and crop failure is frequent , this practice reduces production risk . Farmers in lower areas , where irrigation is more common and yields ...
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