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Soil Aggregation, Organic Matter, and Yields in a Long‐time Experiment as Affected by Crop Management
Author(s) -
Bavel C. H. M.,
Schaller F. W.
Publication year - 1951
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1951.036159950015000c0090x
Subject(s) - citation , agriculture , agricultural experiment station , organic farming , agricultural science , mathematics , library science , geography , environmental science , computer science , archaeology
M EASUREMENTS and observations on the plots for studying soil and water losses as influenced by crop management under controlled conditions at the Soil Conservation Experimental Farm, Clarinda, Iowa, have been reported from time to time since these plots were started in 1931. Slater and Carleton (3) showed in 1939 that the decrease in organic matter content of the plots was correlated to the amount of soil lost by erosion. They concluded that the decrease in the organic matter content was due primarily to the sampling of progressively deeper layers of the original profile. In the present paper we will give evidence that crop management in itself is also a factor in the organic matter balance.