Potatoes: Production, Marketing, And Programs For Developing CountriesWorld 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 1-3 trong 15
Trang 43
Insects and nematodes . In many potato growing areas , as fallow periods have been eliminated and rotations have intensified , insect populations have increased . Many farmers have gotten onto a treadmill that requires them to apply ...
Insects and nematodes . In many potato growing areas , as fallow periods have been eliminated and rotations have intensified , insect populations have increased . Many farmers have gotten onto a treadmill that requires them to apply ...
Trang 125
Because of the high insect populations that prevail in lowland areas , locally produced seed becomes severely infected with virus diseases in the field or in storage . Furthermore , farmers have difficulty keeping stored seed potatoes ...
Because of the high insect populations that prevail in lowland areas , locally produced seed becomes severely infected with virus diseases in the field or in storage . Furthermore , farmers have difficulty keeping stored seed potatoes ...
Trang 139
But the stored tubers are vulnerable to desiccation and insect damage , and they often are carriers of virus diseases . Most farmers plow with tractors . On large farms , tractors are also used for hilling and spraying pesticides .
But the stored tubers are vulnerable to desiccation and insect damage , and they often are carriers of virus diseases . Most farmers plow with tractors . On large farms , tractors are also used for hilling and spraying pesticides .
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Nội dung
The potato crop and its physical environment | 27 |
Supply demand and marketing | 63 |
Potato nutrition and consumption | 93 |
Bản quyền | |
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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 |
Thuật ngữ và cụm từ thông dụng
agricultural America areas average Bangladesh blight breeding capita Center Central cereals changes cold 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 highly impact important improved income increase India inputs insect institutions International irrigation land late less levels 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 problems processing projections rates reduce regions relative requirements research and extension resistance response result rice root Rwanda season seed tubers selection soil South South Korea spread sprout storage stored supply Table temperate temperatures tons tropical usually varieties vegetable virus yields zones
Thông tin thư mục
| Tiêu đề | Potatoes: Production, Marketing, And Programs For Developing Countries |
| Tác giả | Douglas E. Horton |
| Ấn bản | có minh hoạ |
| Nhà xuất bản | Avalon Publishing, 1987 |
| Nguyên bản từ | Đại học Texas |
| Đă được số hóa | 5 Tháng Năm 2008 |
| ISBN | 081337197X, 9780813371979 |
| Độ dài | 244 trang |
| Xuất lời trích dẫn | BiBTeX EndNote RefMan |