Factor for Estimating Nitrogen Contribution of Cowpea as a Cover Crop

• 作者J. L. Aguiar; W. A. Williams; W. L. Graves; M. McGiffen Jr; J. V. Samons; J. D. Ehlers; W. C. Matthews Jr
• 卷第186卷
• 期第3期
• 印刷ISSN0931-2250
• 电子ISSN1439-037X
• 文件大小141.97KB
• 发表时间2001
• DOI10.1046/j.1439-037x.2001.00462.x
• 页码145-149