Potatoes: Production, Marketing, And Programs For Developing CountriesInternational Potato Center, 23 thg 4, 1987 - 243 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. |
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Kết quả 1-5 trong 58
Trang 12
... usually give highest priority to compiling information on commodities like cereals , rubber , and coffee , which are traded on international markets . Domestic food crops receive less attention . Statisticians also have difficulty ...
... usually give highest priority to compiling information on commodities like cereals , rubber , and coffee , which are traded on international markets . Domestic food crops receive less attention . Statisticians also have difficulty ...
Trang 13
... usually assumed to be near the rates prevailing in developed countries . However , farmers in many developing areas actually use lower rates . Estimates of waste and the amounts of potatoes that are fed to livestock and processed are ...
... usually assumed to be near the rates prevailing in developed countries . However , farmers in many developing areas actually use lower rates . Estimates of waste and the amounts of potatoes that are fed to livestock and processed are ...
Trang 31
... usually favor tuberization as well . Vegetative reproduction The potato crop can be reproduced sexually by planting tiny true seeds , which form in the small , tomato - like fruits . However , with few exceptions , the world's potato ...
... usually favor tuberization as well . Vegetative reproduction The potato crop can be reproduced sexually by planting tiny true seeds , which form in the small , tomato - like fruits . However , with few exceptions , the world's potato ...
Trang 34
... usually grown . Where the season is longer , a later - maturing variety is usually preferred . But where a long season permits double or triple cropping , an early - maturing , short - season potato variety tons / ha . Planting ...
... usually grown . Where the season is longer , a later - maturing variety is usually preferred . But where a long season permits double or triple cropping , an early - maturing , short - season potato variety tons / ha . Planting ...
Trang 37
... usually desirable in the tropics . Two aspects of temperature are particularly significant for potato production . High daytime temperature is usually correlated with a high rate of respiration and transpiration , which may cause plant ...
... usually desirable in the tropics . Two aspects of temperature are particularly significant for potato production . High daytime temperature is usually correlated with a high rate of respiration and transpiration , which may cause plant ...
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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 agricultural research America areas average Bangladesh blight breeding capita Central cereals changes commodity consumers costs crop cultivation demand depends developing countries diseases early economic effect estimates Europe example expand farmers farms fertilizers field food crops growing grown growth harvest hectare higher highland impact important improved income increase India inputs insect institutions International Potato Center land late less levels Lima limited losses lower lowland major Mantaro Valley needs North percent period Peru pests plant policies population potato consumption potato crop potato prices potato production potato programs practices priorities problems processing projections rates reduce regions relative requirements research and extension resistance result rice root Rwanda season seed tubers selection soil South South Korea sprout storage stored supply Table temperate temperatures tons tropical usually varieties vegetable virus yields zones