Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 12 references without a DOI — listed, not checked
no DOI — not checkedC. M. Ateh, and J. D. Doll .1996 .Spring-planted winter rye (Secale cereale) as a living mulch to control weeds in soybean (Glycine max)., Weed Technol, 10 :347 –353 .
no DOI — not checkedB. P. Bordelon, and S. C. Weller .1997 .Preplant cover crops affect weed and vine growth in first year vineyards., HortScience, 32 :1040 –1043 .
no DOI — not checkedE. Bremer, R. J. Rennie, and D. A. Rennie .1988 .Dinitrogen fixation of lentil, field pea and faba bean under dryland conditions., Can. J. Soil Sci, 68 :553 –562 .
no DOI — not checkedA. J. Clark, A. M. Decker, and J. J. Meisinger .1994 .Seeding rate and kill date effects on hairy vetch–cereal rye cover crop mixtures for corn production., Agron. J, 86 :1065 –1070 .
no DOI — not checkedN. G. Creamer, and M. A. Bennett .1997 .Evaluation of cover crop mixtures for use in vegetable production systems., HortScience, 32 :866 –870 .
no DOI — not checkedN. G. Creamer, B. Plassman, M. A. Bennett, R. K. Wood, B. R. Stinner, and J. Cardina .1995 .A method for mechanically killing cover crops to optimize weed suppression., Am. J. Altern. Agric, 10 :156 –161 .
no DOI — not checkedN. G. Creamer, M. A. Bennett, B. R. Stinner, J. Cardina, and E. E. Regnier .1996 .Mechanisms of weed suppression in cover crop–based production systems., HortScience, 31 :410 –413 .
no DOI — not checkedM. L. Hoffman, L. A. Weston, J. C. Snyder, and E. E. Regnier .1996 .Allelopathic influence of germinating seeds and seedlings of cover crops on weed species., Weed Sci, 44 :579 –584 .
no DOI — not checkedJ. B. Masiunas, L. A. Weston, and S. C. Weller .1995 .The impact of rye cover crops on weed populations in a tomato cropping system., Weed Sci, 43 :318 –323 .
no DOI — not checkedW. A. Nelson, B. A. Kahn, and B. W. Roberts .1991 .Screening cover crops for use in conservation tillage following spring plowing., HortScience, 26 :860 –862 .
no DOI — not checkedJ. R. Teasdale, and C. S. T. Daughtry .1993 .Weed suppression by live and desiccated hairy vetch (Vicia villosa)., Weed Sci, 41 :207 –212 .
no DOI — not checkedE. D. Wilkins, and R. R. Bellinder .1996 .Mow-kill regulation of winter cereals for spring no-till crop production., Weed Technol, 10 :247 –252 .
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