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 26
Trang vii
... selected countries between 1961/65 and 1981/83 ... Potato production and consumption in major regions and selected countries , 1981/83 4 National food balance sheets for potatoes , 1979/81 .... 5 The ten food crops with the highest ...
... selected countries between 1961/65 and 1981/83 ... Potato production and consumption in major regions and selected countries , 1981/83 4 National food balance sheets for potatoes , 1979/81 .... 5 The ten food crops with the highest ...
Trang 8
... selection for earliness . Leading authorities now believe that the potato came to Europe from the Andes and , through natural selection , evolved from the parent subspecies ( andigena ) to the derived subspecies ( tuberosum ) by 1750 ...
... selection for earliness . Leading authorities now believe that the potato came to Europe from the Andes and , through natural selection , evolved from the parent subspecies ( andigena ) to the derived subspecies ( tuberosum ) by 1750 ...
Trang 10
... selection of adapted varieties ) and when other foods became scarce ( primarily as a result of crop failures , wars , or famines ) did Europeans begin to replace their traditional staples such as buckwheat and oats with potatoes . The ...
... selection of adapted varieties ) and when other foods became scarce ( primarily as a result of crop failures , wars , or famines ) did Europeans begin to replace their traditional staples such as buckwheat and oats with potatoes . The ...
Trang 14
... Selected Countries Between 1961/65 and 1981/83 Percentage change in Area Production Yield Per capita consumption World -15 1 18 -15 North America Canada -8 -6 USA -8 222 25 35 27 35 24 35 Western Europe -48 -36 24 France -73 -53 73 ...
... Selected Countries Between 1961/65 and 1981/83 Percentage change in Area Production Yield Per capita consumption World -15 1 18 -15 North America Canada -8 -6 USA -8 222 25 35 27 35 24 35 Western Europe -48 -36 24 France -73 -53 73 ...
Trang 16
... staples . Agricultural and trade policies have also discouraged potato production in some countries , like Peru . Potato Production and Consumption in Major Regions and Selected Countries. 16 Patterns in production and use.
... staples . Agricultural and trade policies have also discouraged potato production in some countries , like Peru . Potato Production and Consumption in Major Regions and Selected Countries. 16 Patterns in production and use.
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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