자원 태그: Agriculture Tropics
13 items found (Showing 1 - 10) Next
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1979/01/01 Cornell International Agriculture Bulletin 36 Field expereiments were performed in Puerto Rico, Brazil, and Ghana on highly weathered acid soils (Oxisols and Ultisols) to assess the capacity of these soils to supply nitrogen to nonleguminous crops and to determine crop response to fertilizer...
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0980/01/01 Analysing the important farming systems of the tropics, this book introduces the farm-management problems that arise for each. It identifies seven basically distinct systems; in each the economic implications of soil fertility, uncertainty, and labour productivity problems are discussed, and...
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1980/01/01 Agriculture in the Tropicsis one of the most successful and widely read books in the Tropical Agriculture Series and offers a general account of all the factors that affect agriculture in the tropics. It details the economic and physical factors that affect tropical agriculture and discusses land...
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1983/01/01 38 pages, illustrated
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1978/04/01 The purpose of the Seminar was to review the present state of knowledge on the production, management, and utilization of forages under acid infertile soil conditions in the tropics, with emphasis in Latin Amerca, but taking advantage of relevant experiences gained in other parts of the world. An...
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1986/01/01 37 pages, tables
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1991/01/01 767 pages, illustrated, photos
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1978/01/01 This book is about survival and subsistence, especially when human systems fail. It presents an alternative life style outside of that called western civilization. If you live in the tropics it will give you the basic knowledge necessary to survive in spite of most catastrophes. It will give you...
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1989/01/01 The present report is concerned with one particular aspect of this search for new production techniques and systems, that of phytopractices, after "phytopratiques" in French. This is a new term describing all those treatments which may improve, select, propagate or preserve plants on an...
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1877/01/01 Excerpt of a longer work. Discussion on indian corn, rice, broom corn or millet. 54 pages