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 37
Trang 112
... tons • 200,000 metric tons 50,000 metric tons ( mean of 1981-83 data ) 0 1000 2000 3000 4000 KILOMETERS AT EQUATOR Eckert IV Equal Area Projection ohh Figure 13. Approximate location of major potato - producing regions in developing ...
... tons • 200,000 metric tons 50,000 metric tons ( mean of 1981-83 data ) 0 1000 2000 3000 4000 KILOMETERS AT EQUATOR Eckert IV Equal Area Projection ohh Figure 13. Approximate location of major potato - producing regions in developing ...
Trang 144
... tons per hectare , giving a total potato production of about 3.5 tons per farm . Ninety percent of the production is sold immediately after harvest . The remainder ( only 350 kilograms per farm ) is kept for household consumption and ...
... tons per hectare , giving a total potato production of about 3.5 tons per farm . Ninety percent of the production is sold immediately after harvest . The remainder ( only 350 kilograms per farm ) is kept for household consumption and ...
Trang 194
... tons in 1977 , the seed program increased production to over 2,000 tons per year in 1985. Yields on farms obtaining seed from GIL have increased by about 4 tons per hectare . The program's benefits have exceeded costs by a wide margin ...
... tons in 1977 , the seed program increased production to over 2,000 tons per year in 1985. Yields on farms obtaining seed from GIL have increased by about 4 tons per hectare . The program's benefits have exceeded costs by a wide margin ...
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