References
- Angle , J.S. 1990 . Nitrate leaching losses from soybeans (Glycine max L. Mem). . Agric. Ecosys. Environ. , 31 : 91 – 97 .
- Austin , R.B. , Ford , M.A. , Edrich , J.A. and Blackwell , R.D. 1977 . The nitrogen economy of winter wheat. . J. Agric. Sci. , 88 : 159 – 167 .
- Austin , R.B. , Bingham , J. , Blackwell , R. D. , Evans , L.T. , Ford , M.A. , Morgan , C.L. and Taylor , M. 1980 . Genetic improvements in winter wheat yields since 1900 and associated physiological changes. . J. Agric. Sci. , 94 : 675 – 689 .
- Coale , F. J. , Costa , J.M. , Bollero , G.A. and Schlosnagle , S.P. 2000 . Commodity small grains cover crops for conservation of residual soil nitrogen. . Plant Soil , (in review)
- Cox , M.C. , Qualset , C.O. and Rains , D.W. 1985 . Genetic variation for nitrogen assimilation and translocation in wheat. I. Dry matter and nitrogen accumulation. . Crop Sci. , 25 : 430 – 440 .
- Ditsch , D.C. and Alley , M.M. 1991 . Nonleguminous cover crop management for residual N recovery and subsequent crop yields. . J. Fert. Issues , 8 : 6 – 13 .
- Foulkes , M.J. , Sylvester‐Bradley , R. and Scott , R.K. 1998 . Evidence for differences between winter wheat cultivare in acquisition of soil mineral nitrogen and uptake and utilization of applied fertilizer nitrogen. . J. Agric. Sci. , 130 : 29 – 44 .
- Huntington , T.G. , Grove , J.H. and Frye , W.W. 1985 . Release and recovery of nitrogen from winter annual cover crops in no‐till corn production. . Commun. Soil Sci. Plant Anal. , 16 : 193 – 211 .
- Loffler , C.M. , Rauch , T.L. and Busch , R.H. 1985 . Grain and plant protein relationships in hard red spring wheat. . Crop Sci. , 25 : 521 – 524 .
- May , L. , Van Sanford , D.A. , MacKown , C.T. and Cornelius , P.L. 1991 . Genetic variation for nitrogen use in son red x hard red winter wheat populations. . Crop Sci. , 31 : 626 – 630 .
- McCracken , D.V. , Smith , M.S. , Grove , J.H. , MacKown , C.T. and Blevins , R.L. 1994 . Nitrate leaching as influenced by cover cropping and nitrogen source. . Soil Sci. Soc. Am. J. , 58 : 1476 – 1483 .
- McGuire , A.M. , Bryant , D.C. and Denison , R.F. 1998 . Wheat yields, nitrogen uptake, and soil moisture following winter legume cover crop vs. fallow. . Agron. J. , 90 : 404 – 410 .
- Monks , C.D. , Basden , T. , Hatton , J.L. , McFarland , M.L. , Poland , S.M. and Rayburn , E. 1997 . Cover crop response to late‐season planting and nitrogen application. . J. Prod. Agric. , 10 : 289 – 293 .
- Ortiz‐Monasterio , R. , Sayre , K.D. , Rajaram , S. and McMahon , M. 1997 . Genetic progress in wheat yield and nitrogen use efficiency under four nitrogen rates. . Crop Sci. , 37 : 898 – 904 .
- SAS Institute . 1994 . SAS User's Guide. , Cary, NC : Statistical Analysis System Institute, Inc. .
- Shipley , P.R. , Meisinger , J. J. and Decker , A.M. 1992 . Conserving residual corn fertilizer nitrogen with winter cover crops. . Agron. J. , 84 : 869 – 876 .
- Staver , K.W. and Brinsfield , R.B. 1990 . Patterns of soil nitrate availability in corn production systems: Implications for reducing groundwater contamination. . J. Soil Water Conserv. , 45 : 318 – 332 .
- Staver , K.W. and Brinsfield , R.B. 1998 . Using cereal grain winter cover crops to reduce groundwater nitrate contamination in the mid‐Atlantic coastal plain. . J. Soil Water Conserv. , 53 : 230 – 240 .
- Tollenaar , M. , Mihajlovic , M. and Vyn , T.J. 1993 . Corn growth following cover crops: Influence of cereal cultivar, cereal removal, and nitrogen rate. . Agron. J. , 85 : 251 – 255 .
- Van Sanford , D. A. and MacKown , C.T. 1986 . Variation in nitrogen use efficiency among son red winter wheat genotypes. . Theor. Appl. Genet. , 72 : 158 – 163 .
- Van Sanford , D. A. and MacKown , C.T. 1987 . Cultivar differences in nitrogen remobilization during grain fill in soft red winter wheat. . Crop Sci. , 27 : 295 – 300 .
- Corresponding author (e‐mail address: [email protected]).