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Journal of Plant Nutrition Volume 26, 2003 - Issue 6
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Original Articles

Canopy Reduction and Legume Interseeding in Irrigated Continuous Corn

M. T. Humphreys Department of Plant and Soil Sciences, Oklahoma State University, 044 Agricultural Hall, Stillwater, Oklahoma, 74078, USA
,
K. W. Freeman Department of Plant and Soil Sciences, Oklahoma State University, 044 Agricultural Hall, Stillwater, Oklahoma, 74078, USA
,
R. W. Mullen Department of Plant and Soil Sciences, Oklahoma State University, 044 Agricultural Hall, Stillwater, Oklahoma, 74078, USACorrespondence[email protected]
,
D. A. Keahey Department of Plant and Soil Sciences, Oklahoma State University, 044 Agricultural Hall, Stillwater, Oklahoma, 74078, USA
,
R. K. Teal Department of Plant and Soil Sciences, Oklahoma State University, 044 Agricultural Hall, Stillwater, Oklahoma, 74078, USA
&
W. R. Raun Department of Plant and Soil Sciences, Oklahoma State University, 044 Agricultural Hall, Stillwater, Oklahoma, 74078, USA
Pages 1335-1343 | Published online: 24 Jun 2011

References

  • Searle , P. G.E. , Comudom , Y. , Shedden , D. C. and Nance , R. A. 1981 . Effect of maize + legume intercropping systems and fertilizer nitrogen on crop yields and residual nitrogen . Field Crops Res. , 4 : 133 – 145 .
  • Nair , K. P. , Patel , U. K. , Singh , R. P. and Kaushik , M. K. 1979 . Evaluation of legume intercropping in conservation of fertilizer nitrogen in maize culture . J. Agric. Sci., Cambridge , 93 : 189 – 194 .
  • Scott , T. W. , Pleasant , J. M. , Burt , R. F. and Otis , D. J. 1987 . Contributions of ground cover, dry matter, and nitrogen from intercrops and cover crops in a corn polyculture system . Agron. J. , 79 : 792 – 798 .
  • Ofori , F. and Stern , W. R. 1986 . Maize/cowpea intercrop system: effect of nitrogen fertilizer on productivity and efficiency . Field Crops Res. , 14 : 247 – 261 .
  • Chowdhury , M. K. and Rosario , E. L. 1994 . Comparison of nitrogen, phosphorus and potassium utilization efficiency in maize/mungbean intercropping . J. Agric. Sci., Cambridge , 122 : 193 – 199 .
  • Ebelhar , S. A. , Frye , W. W. and Blevins , R. L. 1984 . Nitrogen from legume cover crops for no‐tillage corn . Agron. J. , 76 : 51 – 55 .
  • Schepers , J. S. , Francis , D. D. and Thompson , M. T. 1989 . Simultaneous determination of total C, total N and 15 N on soil and plant material . Commun. Soil Sci. Plant Anal. , 20 : 949 – 959 .
  • Moll , R. H. , Kamprath , E. J. and Jackson , W. A. 1982 . Analysis and interpretation of factors which contribute to efficiency of nitrogen utilization . Agron. J. , 74 : 562 – 564 .

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