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. |
Từ bên trong sách
Kết quả 1-5 trong 39
Trang 9
... land- owners rented their estates to middlemen , who broke up the land into small rental units . The subletting system , high pop- ulation density , and poverty led to a minute fractioning of landholdings . The comparatively large ...
... land- owners rented their estates to middlemen , who broke up the land into small rental units . The subletting system , high pop- ulation density , and poverty led to a minute fractioning of landholdings . The comparatively large ...
Trang 40
... land fosters soil erosion , farmers often have good reasons for growing potatoes on hillsides . Due to increasing land scarcity and population pressure , farmers are forced to intensify crop production in mountainous areas . When night ...
... land fosters soil erosion , farmers often have good reasons for growing potatoes on hillsides . Due to increasing land scarcity and population pressure , farmers are forced to intensify crop production in mountainous areas . When night ...
Trang 46
... land area . However , potato farmers , traders , processors , and consumers are less concerned with total production than with the size of tubers and their quality , as reflected in skin and flesh color , dry matter content , taste ...
... land area . However , potato farmers , traders , processors , and consumers are less concerned with total production than with the size of tubers and their quality , as reflected in skin and flesh color , dry matter content , taste ...
Trang 47
... land area than with a ton of large tubers . Thus the price per kilogram of seed tubers tends to be inversely correlated with the average tuber size . Damaged tubers sell for less , but the importance that consumers attach to specific ...
... land area than with a ton of large tubers . Thus the price per kilogram of seed tubers tends to be inversely correlated with the average tuber size . Damaged tubers sell for less , but the importance that consumers attach to specific ...
Trang 54
... land preparation , weeding , and harvesting . Livestock manure was applied to improve soil fertility and structure . Pests , such as the cyst nematode , were controlled through use of communal rotations and long fallow periods , with ...
... land preparation , weeding , and harvesting . Livestock manure was applied to improve soil fertility and structure . Pests , such as the cyst nematode , were controlled through use of communal rotations and long fallow periods , with ...
Ấn bản in khác - Xem tất cả
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