Nitrogen management and groundwater quality in South Dakota. Rev. 1993.
1993
Gerwing J. | Gelderman R.
AGROVOC关键词
书目信息
其它主题
Engrais azote; Qualite de l' eau; Ordenacion de aguas; Polucion; Impact sur l' environnement; Aguas subterraneas
语言
英语
注释
ill. Cover title. "This material is based upon work supported by the Extension Service, U.S. Department of Agriculture, under special project number 89-EWQI-1-9192"--P. [5]. AVAILABILITY: US (DNAL 275.29 So85Fs no.864).
类型
Monograph
团体作者
South Dakota State Univ. (USA). Cooperative Extension Service. United States. Dept. of Agriculture.
2012-11-15
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