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AGRIS - Système international des sciences et technologies agricoles

[ Publié dans: Pollution ]
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Résultats 41-50 de 345

Results of long-term sucession of ground-vegetation after fertilization in forest stands of the Northern Black Forest

1989

Schornick, O. (Freiburg Univ. (Germany, F.R.). Inst. fuer Landespflege)

fertilizers calcium fertilizers phosphate azote phosphates bade-wurtemberg 182.5 schichtgesellschaften engrais mineral fertilizantes calcicos (430.1-43.5) 182.4 ...
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.

soufre azufre fertilizers azote mineralization sulphur fichten kieserit engrais mineral 237.413 181-341 (430.1-43.5) ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Main objectives of forest fertilization in Bavaria]

1989

Sauter, U. (Bayerische Forstliche Versuchs- und Forschungsanstalt, Muenchen (Germany, F.R.))

fertilizers forests enfermedades de las plantas bodenfruchtbarkeit maladie des plantes air pollution 181.341 (430.1-43.6) mg duengung engrais mineral 114.521.5 nadelanalysen ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Effects of liming and fertilization measures on soils and trees]

1989

Beese, F. (Gesellschaft fuer Strahlen- und Umweltforschung m.b.H., Neuherberg (Germany, F.R.). Inst. fuer Bodenoekologie)

fagus sylvatica calcium fertilizers azote soil chemistry baja sajonia chimie du sol (430.1-43.27) 114.25 n-duengung fertilizantes calcicos 237.412 duengewirkung ...
ZB MED Nutrition. Environment. Agriculture - Germany
Effects of Mg-fertilizers on growth and elemental contents of fine roots in declining SO2-polluted Norway spruce stands in the Fichtelgebirge (NE-Bavaria)

1989

Schneider, B.U. (Bayreuth Univ. (Germany, F.R.). Lehrstuhl fuer Bodenkunde) | Zech, W.

fertilizers growth racine magnesium crecimiento picea abies 181.341 (430.1-43.6) feinwurzeln wurzeln biomasse engrais mineral ca/al-molverhaeltnis ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Promotion and conservation of natural regeneration of European beech in view of the deposition of air pollutants]

1989

Bressem, U. (Hessische Forstliche Versuchsanstalt, Hann.Muenden (Germany, F.R.). Inst. fuer Forstproduktion und Waldschutz)

fagus sylvatica hesse facteur nuisible silvicultura silviculture agentes nocivos 181.341 trockene depositionen naturverjuengung 231 lluvia acida 116.11 ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Effect of surface liming in doses suitable for melioration on the pH-value and cation exchange of an acid brown soil on loess]

1989

Meiwes, K.J. (Niedersaechsische Forstliche Versuchsanstalt, Goettingen (Germany, F.R.)) | Beese, F.

fagus sylvatica calcium fertilizers cations loess soils ph baja sajonia (430.1-43.27) 114.25 fertilizantes calcicos 114.468 auflagehumus ph-wert ...
ZB MED Nutrition. Environment. Agriculture - Germany
Regeneration of forests damaged by forest decline

1989

Burschel, P. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Waldbau und Forsteinrichtung) | Binder, F.

fertilizers enfermedades de las plantas plantations wiederaufforstung maladie des plantes acid rain 181.341 (430.1-43.6) verjuengungserfolg naturverjuengung schadflaechen engrais mineral ...
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