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 86
Trang iv
... storage and retrieval system , without permission in writing from Westview Press . Copyright © 1987 by Winrock International Published in 1987 in the United States of America by Westview Press , Inc .; Frederick A. Praeger , Publisher ...
... storage and retrieval system , without permission in writing from Westview Press . Copyright © 1987 by Winrock International Published in 1987 in the United States of America by Westview Press , Inc .; Frederick A. Praeger , Publisher ...
Trang 2
... storage , processing , and foreign trade stabilize prices or expand markets for potatoes ? 8. Why should scarce public resources be allocated to potato research and extension in developing countries ? 9. What are the essential ...
... storage , processing , and foreign trade stabilize prices or expand markets for potatoes ? 8. Why should scarce public resources be allocated to potato research and extension in developing countries ? 9. What are the essential ...
Trang 11
... storage methods improved , population grew , and demand for food increased . Potatoes were introduced into Tibet from both China and India . By 1900 the chief dish of the Tibetans was reported to be a stew of meat and potatoes , turnips ...
... storage methods improved , population grew , and demand for food increased . Potatoes were introduced into Tibet from both China and India . By 1900 the chief dish of the Tibetans was reported to be a stew of meat and potatoes , turnips ...
Trang 28
... storage of photosynthates and reproduction of the plant ( Fig . 5 ) . The tubers , which originate from the tips of underground stems called stolons , contain all the characteristics of normal stems , including dormant buds ( the " eyes ...
... storage of photosynthates and reproduction of the plant ( Fig . 5 ) . The tubers , which originate from the tips of underground stems called stolons , contain all the characteristics of normal stems , including dormant buds ( the " eyes ...
Trang 30
... storage parenchyma cortex apical end apical eyes vascular system lateral eye Figure 5. Major parts of the potato tuber . Source : Zosimo Huamán , Systematic botany and morphology of the potato , Technical Information Bulletin No. 6. 2nd ...
... storage parenchyma cortex apical end apical eyes vascular system lateral eye Figure 5. Major parts of the potato tuber . Source : Zosimo Huamán , Systematic botany and morphology of the potato , Technical Information Bulletin No. 6. 2nd ...
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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