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Fixed Soil Potassium
其他書名
Nature of the Fixation and Liberation Processes [I.] ; II. Improved Extracting Solutions for Determining Available Soil Potassium with Quick Tests ; III. Revised Procedure for Determination of Exchangeable Potassium, Sodium, Magnesium, and Calcium in Soils with the Beckman Model DU Flame Spectrophotometer
出版University of Wisconsin--Madison, 1956
URLhttp://books.google.com.hk/books?id=a7tKAAAAMAAJ&hl=&source=gbs_api