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 40
Trang v
... Breeding new potato varieties . 27 36 44 Yield and value of the harvest ... 46 Economic implications 48 Bibliographic notes ... 50 3 The socioeconomic environment : Levels of development and public policies . ... 53 Economic development ...
... Breeding new potato varieties . 27 36 44 Yield and value of the harvest ... 46 Economic implications 48 Bibliographic notes ... 50 3 The socioeconomic environment : Levels of development and public policies . ... 53 Economic development ...
Trang xi
... breeding and taxonomy ; Susan Poats and Jennifer Woolfe on consumption and nutrition ; Efrain Franco , Enrique Mayer , and especially Robert Rhoades on potato production zones and systems ; Anibal Monares and James Bryan on seed ...
... breeding and taxonomy ; Susan Poats and Jennifer Woolfe on consumption and nutrition ; Efrain Franco , Enrique Mayer , and especially Robert Rhoades on potato production zones and systems ; Anibal Monares and James Bryan on seed ...
Trang 42
... bred in developing countries are . The most notable progress in selecting for late blight resistance has been made in Mexico , where several new resistant varieties have been identified and distributed to other countries since the 1950s ...
... bred in developing countries are . The most notable progress in selecting for late blight resistance has been made in Mexico , where several new resistant varieties have been identified and distributed to other countries since the 1950s ...
Trang 43
... breeding for blight resistance is an important strategy for control of this disease . Insects and nematodes . In many potato growing areas , as fallow periods have been eliminated and rotations have intensified , insect populations have ...
... breeding for blight resistance is an important strategy for control of this disease . Insects and nematodes . In many potato growing areas , as fallow periods have been eliminated and rotations have intensified , insect populations have ...
Trang 44
... Breeding programs exist in Europe , the United Kingdom , the USSR , the United States , Colombia , Ecuador , India , and Peru . Panama is screening varieties for nematode resistance . Breeding new potato varieties The genetic diversity ...
... Breeding programs exist in Europe , the United Kingdom , the USSR , the United States , Colombia , Ecuador , India , and Peru . Panama is screening varieties for nematode resistance . Breeding new potato varieties The genetic diversity ...
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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