[ نُشرت في: Pollution ]
بحث متقدّم
خيارات البحث
النتائج 1 - 2 من 2
[Nutrient supply of middle European commercial forests]
1987
Zoettl, H.W. (Goettingen Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrung)
ZB MED Nutrition. Environment. Agriculture - Germany
Root and mycorrhizal development in healthy and declining Norway spruce stands
1989
Schneider, B.U. | Meyer, J. | Schulze, E.D. | Zech, W.
ZB MED Nutrition. Environment. Agriculture - Germany