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 28
Trang 39
... fertilizers , most growers apply fertilizers . Although recommendations on the amount and ratio of fertilizer nutrients to apply to potatoes must be based on local experience and trials in farmers ' fields , a few generalizations can be ...
... fertilizers , most growers apply fertilizers . Although recommendations on the amount and ratio of fertilizer nutrients to apply to potatoes must be based on local experience and trials in farmers ' fields , a few generalizations can be ...
Trang 126
... fertilizer in irrigated lowland areas , fertilizers generally rank second as an input expense . The impact of pesticides on pro- duction costs is still small in most potato - growing lowland areas ; however , in a few places they are ...
... fertilizer in irrigated lowland areas , fertilizers generally rank second as an input expense . The impact of pesticides on pro- duction costs is still small in most potato - growing lowland areas ; however , in a few places they are ...
Trang 143
... fertilizers and pesticides . Average fertilizer applications are above the recommended levels . Pesticides are used mainly to control late blight , which is common in the area but seldom severe . Only about 10 percent of the farmers ...
... fertilizers and pesticides . Average fertilizer applications are above the recommended levels . Pesticides are used mainly to control late blight , which is common in the area but seldom severe . Only about 10 percent of the farmers ...
Nội dung
Introduction | 1 |
The potato crop and its physical environment | 27 |
Supply demand and marketing | 63 |
Bản quyền | |
8 phần khác không được hiển thị
Ấn bản in khác - Xem tất cả
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