[ 发表于: Pollution ]
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结果 91-100 的 267




Several years of experiences with fertilization of declining spruce stands in NE-Bavaria

1989

Kaupenjohann, M. (Bayreuth Univ. (Germany, F.R.). Lehrstuhl fuer Bodenkunde und Bodengeographie) | Zech, W.

ZB MED Nutrition. Environment. Agriculture - Germany




[Studies on the effects of neutral salt fertilizations within the framework of the project ARINUS]

1989

Zoettl, H.W. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Feger, K.H. | Simon, B.

ZB MED Nutrition. Environment. Agriculture - Germany