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Efficiency of Legume Residue Nitrogen and Inorganic Nitrogen in Corn Production 1
Author(s) -
Sutherland W. N.,
Shrader W. D.,
Pesek J. T.
Publication year - 1961
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1961.00021962005300050022x
Subject(s) - agronomy , loam , acre , nitrogen , crop rotation , legume , crop residue , environmental science , residue (chemistry) , crop , chemistry , biology , soil water , agriculture , soil science , biochemistry , organic chemistry , ecology
Synopsis Estimates of the amount of N supplied by legumes in a corn‐oats‐meadow rotation on Edina silt loam ranged from 123 to 200 pounds per acre in 1957 and from 54 to 83 pounds in 1958. The beneficial effect of the meadow crop was due primarily to N. Analyses of soil carbon indicated that carbon levels increased during the 1953–58 period on the highly fertilized continuous corn plots and rotation plots but not on the unfertilized continuous corn plots.