[ 发表于: Pollution ]
高级检索
AGROVOC关键词

结果 1-6 的 6



Turnover of carbon and nitrogen in coniferous forest soils of different N-status and under different 15NH4-N application rate

1998

Sjoberg, R.M. | Persson, T. (Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, P.O. Box 7072, S-750 07 Uppsala (Sweden))

Department for Environment, Food and Rural Affairs - United Kingdom