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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Trang v
... potato crop ...... Recent trends in potato production and use .... Productivity and value of the potato crop .... Bibliographic notes ..... vii ..ix ..xi 1 5 5 12 21 24 2 The potato crop and its physical environment ......... 27 The ...
... potato crop ...... Recent trends in potato production and use .... Productivity and value of the potato crop .... Bibliographic notes ..... vii ..ix ..xi 1 5 5 12 21 24 2 The potato crop and its physical environment ......... 27 The ...
Trang viii
... potato production in various areas .. 17 16 Potato production characteristics in the Mantaro Valley , Peru , by agroecological zone , 1977/78 . Value of ten major crops in developing countries compared with research expenditures in the ...
... potato production in various areas .. 17 16 Potato production characteristics in the Mantaro Valley , Peru , by agroecological zone , 1977/78 . Value of ten major crops in developing countries compared with research expenditures in the ...
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Production, Marketing, And Programs For Developing Countries Douglas E. Horton. 1 World patterns and trends in potato production and use Among the world's food crops , the ... potato production and use Origin and spread of the potato crop.
Production, Marketing, And Programs For Developing Countries Douglas E. Horton. 1 World patterns and trends in potato production and use Among the world's food crops , the ... potato production and use Origin and spread of the potato crop.
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Production, Marketing, And Programs For Developing Countries Douglas E. Horton. Drake with the introduction of potatoes into England , but it seems more ... potato in Ireland Perhaps no single crop and no 8 Patterns in production and use.
Production, Marketing, And Programs For Developing Countries Douglas E. Horton. Drake with the introduction of potatoes into England , but it seems more ... potato in Ireland Perhaps no single crop and no 8 Patterns in production and use.
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... potato was Ireland's most important crop and practically the sole food of the poor . The climate of southern Ireland is ideal for potato production , and by the mid- 1700s , the potato was already producing more food calories per ...
... potato was Ireland's most important crop and practically the sole food of the poor . The climate of southern Ireland is ideal for potato production , and by the mid- 1700s , the potato was already producing more food calories per ...
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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