[ نُشرت في: Pollution ]
بحث متقدّم
الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
خيارات البحث
النتائج 1 - 2 من 2
[Studies on the occurrence of damaging and useful insects in afforestation sites of the Eastern Ore Mountains effected by air pollution]
1990
Pohris, V. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Ness, T.
ZB MED Nutrition. Environment. Agriculture - Germany
[Ecological effects and silvicultural conception of continuous pollution stress in Northern Federal Republic of Germany]
1987
Otto, H.J. (Niedersaechsisches Ministerium fuer Ernaehrung, Landwirtschaft und Forsten, Hannover (Germany, F.R.))
ZB MED Nutrition. Environment. Agriculture - Germany