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Auteur H. Kohnke |
Documents disponibles écrits par cet auteur (4)
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H. Kohnke ; A. Bertrand | NEW YORK : MAC GRAW-HILL BOOK COMPANY | MAC GRAW-HILL PUBLICATIONS IN THE AGRICULTURAL SCIENCES | 1959Here is a concise presentation of the fundamental nature and cause of soil erosion,the aims of soil conservation,and the principles and methods of saving the soil and maintaining its productivity.The authors treat soil conservation as a problem [...]ouvrage
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Soil water - Mechanical composition of the soil - Soil clays - Soil structure - Organic matter - Soil air - Soil temperature - Soil coclor - Soil physics as a factor in soil management.