[ نُشرت في: Pollution ]
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النتائج 1 - 2 من 2
Nutrient balance in forests affected by air pollution
1988
Liljelund, L.E. | Nihlgaard, B.
Swedish University of Agricultural Sciences - Sweden
Effects of lime on soil chemistry
1988
Nihlgaard, B. (Lund Univ. (Sweden). Ekologiska Inst.) | Nilsson, S.I. | Popovic, B.
Swedish University of Agricultural Sciences - Sweden