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 viii
... root system , and tubers ..... 29 5 Major parts of the potato tuber ... 6 Growth cycle of a potato crop .... .30 35 7 Supply and demand curves , showing the market equilibrium price and quantity 22 16 64 8 Effects of a shift in the ...
... root system , and tubers ..... 29 5 Major parts of the potato tuber ... 6 Growth cycle of a potato crop .... .30 35 7 Supply and demand curves , showing the market equilibrium price and quantity 22 16 64 8 Effects of a shift in the ...
Trang 6
... Roots and Tubers Potatoes 312 63 192 5.3 Sweet potatoes 117 34 108 1.6 Cassava 129 52 110 0.5 Yams 25 7 22 0.5 Cocoyams 6 2 5 0.1 Pulses Beans , dry Broad - beans , dry Peas , dry 11 Chickpeas Lentils 54172 14961 53 3.4 14 1.0 36 2.6 23 ...
... Roots and Tubers Potatoes 312 63 192 5.3 Sweet potatoes 117 34 108 1.6 Cassava 129 52 110 0.5 Yams 25 7 22 0.5 Cocoyams 6 2 5 0.1 Pulses Beans , dry Broad - beans , dry Peas , dry 11 Chickpeas Lentils 54172 14961 53 3.4 14 1.0 36 2.6 23 ...
Trang 12
... root . " After seeing Christian missionaries growing potatoes in gardens , natives in some localities began growing them for sale to Europeans . Generally , however , Africans began eating potatoes only when forced to by famine or ...
... root . " After seeing Christian missionaries growing potatoes in gardens , natives in some localities began growing them for sale to Europeans . Generally , however , Africans began eating potatoes only when forced to by famine or ...
Trang 18
... . In developing areas , with the exception of Asia , potato yields have increased at least as much as cereal yields and much more than yields of other root crops . Improvements in varieties 18 Patterns in production and use.
... . In developing areas , with the exception of Asia , potato yields have increased at least as much as cereal yields and much more than yields of other root crops . Improvements in varieties 18 Patterns in production and use.
Trang 19
... root crops . Improvements in varieties , seed systems , and post - harvest technology have helped bring down the cost of producing potatoes , improving their competitive position on farms in many developing areas . Population growth ...
... root crops . Improvements in varieties , seed systems , and post - harvest technology have helped bring down the cost of producing potatoes , improving their competitive position on farms in many developing areas . Population growth ...
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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