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 83
Trang 119
... areas where late blight is common seek resistant varieties . If environmental conditions permit cultivation of other crops before and after the potato ( for example , in most vegetable- growing areas ) , farmers usually select fast ...
... areas where late blight is common seek resistant varieties . If environmental conditions permit cultivation of other crops before and after the potato ( for example , in most vegetable- growing areas ) , farmers usually select fast ...
Trang 125
... areas . Because of the high insect populations that prevail in lowland areas , locally produced seed becomes severely infected with virus dis- eases in the field or in storage . Furthermore , farmers have difficulty keeping stored seed ...
... areas . Because of the high insect populations that prevail in lowland areas , locally produced seed becomes severely infected with virus dis- eases in the field or in storage . Furthermore , farmers have difficulty keeping stored seed ...
Trang 126
... areas grow potatoes in the cool winter season , whereas farmers in subtropical areas may also grow potatoes in spring or fall . Large - scale farmers tend to use tractor - powered equipment for land preparation , but many small - scale ...
... areas grow potatoes in the cool winter season , whereas farmers in subtropical areas may also grow potatoes in spring or fall . Large - scale farmers tend to use tractor - powered equipment for land preparation , but many small - scale ...
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