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 43
Trang 6
... tons ) tons ) kcal ) tons ) Crops Cereals Wheat 522 456 1,320 52.7 Rice , paddy 470 414 1,143 21.1 Barley 172 153 419 9.9 Maize 449 387 1,376 35.2 Rye 31 28 89 3.2 Oats 43 40 76 2.8 Millet 31 27 95 2.9 Sorghum 72 64 226 7.5 Roots and ...
... tons ) tons ) kcal ) tons ) Crops Cereals Wheat 522 456 1,320 52.7 Rice , paddy 470 414 1,143 21.1 Barley 172 153 419 9.9 Maize 449 387 1,376 35.2 Rye 31 28 89 3.2 Oats 43 40 76 2.8 Millet 31 27 95 2.9 Sorghum 72 64 226 7.5 Roots and ...
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... tons per hectare - just about the average for all developing countries today . The potato's ascendance as a staple food resulted largely from social conditions in Ireland . During the sixteenth century , unrest and warfare were chronic ...
... tons per hectare - just about the average for all developing countries today . The potato's ascendance as a staple food resulted largely from social conditions in Ireland . During the sixteenth century , unrest and warfare were chronic ...
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... tons at the turn of the century , 250 million tons around 1950 , and in the mid - 1980s is about 290 million tons . During the first half of the century , Europe ( including the USSR ) produced about 90 percent of the world's potatoes ...
... tons at the turn of the century , 250 million tons around 1950 , and in the mid - 1980s is about 290 million tons . During the first half of the century , Europe ( including the USSR ) produced about 90 percent of the world's potatoes ...
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... tons ) Per capita Per capita Yield production consumption ( t / ha ) ( kg ) ( kg ) World 20,281 286.1 14 North America 618 18.0 Canada 112 2.7 USA 506 15.4 Western Europe 2,055 46.3 France 208 6.2 228 288 29 24 108 30 8 288 69 33 70 55 ...
... tons ) Per capita Per capita Yield production consumption ( t / ha ) ( kg ) ( kg ) World 20,281 286.1 14 North America 618 18.0 Canada 112 2.7 USA 506 15.4 Western Europe 2,055 46.3 France 208 6.2 228 288 29 24 108 30 8 288 69 33 70 55 ...
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... tons ) ( t / ha ) ( kg ) ( kg ) North Africa & Near East 564 7.7 14 30 29 Algeria 81 0.6 7 29 29 Egypt 70 1.2 16 26 19 Morocco 35 0.5 13 21 15 Syria 19 0.3 16 31 24 Turkey 180 3.0 17 64 50 Asia 5,378 65.2 12 27 16 Bangladesh 106 1.1 10 ...
... tons ) ( t / ha ) ( kg ) ( kg ) North Africa & Near East 564 7.7 14 30 29 Algeria 81 0.6 7 29 29 Egypt 70 1.2 16 26 19 Morocco 35 0.5 13 21 15 Syria 19 0.3 16 31 24 Turkey 180 3.0 17 64 50 Asia 5,378 65.2 12 27 16 Bangladesh 106 1.1 10 ...
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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 |
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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