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Journal of production agriculture: Vol. 1 No. 1, January–March 1988, by R.G. Hoeft (Editor), American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 1988
Tilo UlbrichtVolume:
25
Year:
1989
Language:
english
DOI:
10.1016/0167-8809(89)90135-7
File:
PDF, 118 KB
english, 1989