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[ Publié dans: Pollution ]
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1991

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Résultats 181-190 de 229

Animal waste management

1991

Sweeten, John M. | Manning, Leah | Baird, Charles

runoff texas feedlots water pollution excreta dairy farming laws and regulations animal waste environmental aspects ...
National Agricultural Library - United States of America
Detection of damages of trees with time-resolved luminescence

1991

Schneckenburger, H. (Fachhochschule Aalen (Germany)) | Schmidt, W.

maladie des plantes diagnosis espectrometria application des ordinateurs plant diseases diagnostic baden-wuerttemberg/ clorofilas baden-wuerttemberg/ chlorophylls fichten zeitaufgeloeste lumineszenz schaden diagnose 416.1 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Response of young cloned Norway spruce on water stress with different magnesium supply

1991

Makkonen-Spiecker, K. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg (Germany)) | Evers, F.H.

fertilizer application transpiration riego clone water potential fertilisation 181.341 periodischer trockenstress klone fichten aplicacion de abonos 165.44 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Soil ciliates as indicators of fundamental changes in forest ecosystems

1991

Lehle, E. (Ulm Univ. (Germany). Abt. Oekologie und Morphologie der Tiere) | Funke, W.

ecosistema acid rain ph animales indicadores fauna del suelo soil fauna alemania/ aplicacion de abonos ecosysteme 114.67 allemagne/ fertilisation (430-13) saure fichenforste ...
ZB MED Nutrition. Environment. Agriculture - Germany
Intermediates of carbohydrate and energy metabolism in Norway spruce needels in relation to season and decline symptoms

1991

Einig, W. (Tuebingen Univ. (Germany). Physiologische Oekologie der Pflanzen) | Egger, B. | Hampp, R.

maladie des plantes carbohydrates metabolismo energy metabolism plant diseases composition chimique abhaengigkeit nadelalter alterungsprozess fichten nadeln naehrelementgehalte relation 161.32 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Correlation between shed-discoloration and the mycoflora of Norway spruce needles

1991

Seemann, D. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg (Germany))

enfermedades fungosas discoloration leaf fall feuille fichte maladie fongique bade wurtemberg/ lophodermium caida de las hojas endophyten nadelverlust schadklassen 174.7 picea abies ...
ZB MED Nutrition. Environment. Agriculture - Germany
The importance of soil structure for the K-nutrition of Norway spruce stands

1991

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

rhizosphere plant nutrition nutrition des plantes soil chemicophysical properties potassium potasio homogenisierte proben austauschbares kalium 424.7 propriete physicochimique du sol 114.264 rhizosphaere ...
ZB MED Nutrition. Environment. Agriculture - Germany
Genetic structures of forest trees with different levels of damage on permanent observation plots on forest decline in Baden-Wuerttemberg

1991

Konnert, M. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Stuttgart (Germany). Abt. Botanik und Standortskunde)

isoenzyme maladie des plantes analyse statistique plant diseases isoenzymes polymorphisme verschiedene schaedigungsgrade genetische strukturen bestimmung 174.7 abies alba genotype faktorenanalyse genotyp - schadensresistenz ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Diurnal changes in photosynthetic activity of Norway spruce needles: Gas exchange, energy metabolism, and regulation of carbohydrate metabolism]

1991

Einig, W. (Tuebingen Univ. (Germany). Physiologische Oekologie der Pflanzen) | Weidmann, P. | Hampp, R. | Hagg, C. | Rinderle, U. | Lichtenthaler, H.K.

kohlenhydratstoffwechsel carbohydrates temperatur metabolismo age energy metabolism fichten stomataere leitfaehigkeit 161.32 untersuchungen juni/oktober tagesgaenge vergleich nadeln - 2 altersklassen ...
ZB MED Nutrition. Environment. Agriculture - Germany
Harvest-aid chemicals

1991

Supak, James Raymond | Price, Jack | Rieff, Susan Karol

foliar application texas agricultural chemicals soil physical properties gossypium water pollution spraying and dusting in agriculture soil chemistry and physics plant production (field crops) ...
National Agricultural Library - United States of America