[ 发表于: Arab Universities Journal of Agricultural Sciences ]
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erformance of soybean plants as affected by differnet levels of sewage sludge

2001

Al-Kahal, A.A. | Faris, C.N. (Ministry of Agriculture, Cairo (Egypt). Soils, Water and Environment Research Inst. )El-Naggar, A.M.A.

Egyptian Documentation and Information Centre for Agriculture - Egypt