Schrader, W.D. and Webb , J.R. (1970) Different cropping systems require different amounts and kinds of fertilizers. Lowa Farm Science. 1970 Vol. 25 No. 3 pp. 689-692 , 25 (3). pp. 689-692.
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Abstract
In field trials in 1960-68, cropping systems in which N was applied at 0.120 lb/ac to maize and sorghum only were investigated. The highest yields of grain (976 bu/ac) and silage (5-6 tons/ac) from continuous maize were obtained at about 80 lb N/ac. Yields of maize grain were slightly higher when grown in rotations with soyabeans, oats, sorghum or meadow hay than when grown in monoculture. However, in rotations with meadow hay there was no response to N fertilizer. Removal of K from the soil by silage and hay crops was higher than that by grain crops. MRH.
| Item Type: | Article |
|---|---|
| Author Affiliation: | Department of Agronomy, Iowa State University, Ames, USA. |
| Subjects: | Plant Production |
| Divisions: | Maize Sorghum |
| Depositing User: | Mr. SanatKumar Behera |
| Date Deposited: | 02 Jul 2012 05:13 |
| Last Modified: | 02 Jul 2012 05:13 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/6407 |
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