عن المنظمة الأخبار الوسائط الإعلامية المتعددة الموضوعات الرئيسية الإحصائيات الأعضاء المطبوعات

أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
بحث متقدّم
تاريخ الإصدار
1986

خيارات البحث

النتائج 41 - 50 من 219

[Benefits and risks of forest fertilization with special regard to soil chemistry]

1986

Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.))

fertilizers ion exchange manganese mn manganeso woodlands 114.35/.36 chemische ungleichgewichte engrais mineral ca++ foret claire (430.1-43.5) ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Forest fertilization and nitrate stress of seepage-, surface and springwater]

1986

Evers, F.H. (Forstliche Versuchs- und Forschungsanstalt, Freiburg im Breisgau (Germany, F.R.))

fertilizer application groundwater eau souterraine fertilisation woodlands melioration bade-wurtemberg/ circulation de l'eau saure depositionen aplicacion de fertilizantes foret claire (430.1-43.5) boden nitrifizierung ...
ZB MED Nutrition. Environment. Agriculture - Germany
[The influence of calcium fertilization, mineral fertilization and artificial rain on the soil fauna in Norway spruce forests]

1986

Funke, W. (Ulm Univ. (Germany, F.R.)) | Jans, W.

faune du sol calcium fertilizers estructura del suelo facteur nuisible structure du sol agentes nocivos saure depositionen artenvielfalt verminderung bodentiere oekosystem funktionsstoerung fertilizantes calcicos kuenstliche beregnung ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Studies on the restoration of yellow-shooted Norway spruce trees in the Fichtelgebirge with different Mg-fertilizers]

1986

Zech, W. | Kaupenjohannn, M. | Hantschel, R. | Schneider, B.U.

hipomagnesemia enfermedades de las plantas magnesium maladie des plantes magnesio plant diseases 237.42 181.341 (430.1-43.6) naehrstoffkreislauf bavaria/ fertilizantes de oligoelementos nadeln gelbfaerbung ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Restabilizing measures, fertilization. Final evaluation - further research requirements]

1986

Evers, F.H.

fertilizers air pollution recherche woodlands research 181.341 114.35/.36 investigacion engrais mineral foret claire (430.1-43.5) ...
ZB MED Nutrition. Environment. Agriculture - Germany
Biological indicators of freshwater pollution and environmental management

1986

Hellawell, J. M.

water freshwater ecology pollution indicators (biology) freshwater biology water quality management
National Agricultural Library - United States of America
Aquifer restoration

1986

Knox, Robert C.

united states artificial groundwater recharge
National Agricultural Library - United States of America
[Effects of earlier calcium fertilizations in Norway spruce and silver fir stands of red sandstone in the Black Forest]

1986

Aldinger, E. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre)

calcium fertilizers air pollution picea abies engrais calcique abies alba baden-wuerttemberg/ plant diseases 181.341 saure depositionen koniferennadeln verfaerbungen bade-wurtemberg/ maladie des plantes basenarme buntsandsteinboeden ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Studies comparing mycorrhizae in different soil depths fertilized and unfertilized stands]

1986

Haug, I. (Tuebingen Univ. (Germany, F.R.). Lehrstuhl Spezielle Botanik) | Kottke, I. | Oberwinkler, F.

estructura del suelo structure du sol picea abies soil structure mycorrhizae fichten schadbilder cenococcum-mykorrhiza 114.35/.36 vergleichende untersuchungen mycorhize (430.1-43.5) ...
ZB MED Nutrition. Environment. Agriculture - Germany
[The influence of fertilization measures in forests upon some species of the soil fauna of forest ecosystems]

1986

Kreimes, K. | Thielemann, U.

faune du sol populationsdynamik enfermedades de las plantas fauna del suelo maladie des plantes soil fauna 145.1 lumbricidae artenveschiebung foret claire bodentiere baden-wuerttemberg/ fertilizers 237.41 ...
ZB MED Nutrition. Environment. Agriculture - Germany