Effects of green manuring, farmyard manure and straw on the organic matter of soil and of green manuring on available nitrogen

Chater, M.; Gasser, J.K.R.

J. Soil Sci 21: 127-137


DOI: 10.1111/j.1365-2389.1970.tb01160.x
Accession: 014452571

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From 1936 until 1954 FYM was applied in alternate years at Woburn, and from then straw was applied similarly until 1963. Various green manures were grown from 1936 to 1953. From 1954-1963 ryegrass and trefoil were grown each year or in alternate years, and from 1964-1965 they were grown each year. After cropping without organic manuring the organic-C and total-N in soil decreased from 0.86% and 0.091 %, respectively, in 1963 to 0.76% and 0.082%, in 1966.