リソース タグを付けた: Liming Of Soils
3 items found (Showing 1 - 3)
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1975/06/01 The purpose of this bulletin is to review the available results of liming trials conducted in humid tropical regions and to determine from them the information that would be useful in synthesizing soil management systems for tropical areas. 66 pages, tables Cornell International Agricultural...
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This report summarizes the results of field experiments made in Perto Rico, Brazil, Peru, and Ghana to measure crop response to liming of acidUltisols and Oxisols. The specific objectives of these experiments were to determine crop response to rate and depth of liming, to evaluate residual...
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1984/01/01 Excessive soil acidity is a continuing problem in many agricultural areas and is increasingly becoming a yield-limiting factor in other areas. The pH of soils of the dryland wheat-growing area of the Pacific Northwest has dropped an average of one unit in the last 20 years. Similar effects are...