خيارات البحث
النتائج 181 - 190 من 229
Animal waste management
1991
Sweeten, John M. | Manning, Leah | Baird, Charles
Detection of damages of trees with time-resolved luminescence
1991
Schneckenburger, H. (Fachhochschule Aalen (Germany)) | Schmidt, W.
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.
Soil ciliates as indicators of fundamental changes in forest ecosystems
1991
Lehle, E. (Ulm Univ. (Germany). Abt. Oekologie und Morphologie der Tiere) | Funke, W.
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.
Correlation between shed-discoloration and the mycoflora of Norway spruce needles
1991
Seemann, D. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg (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))
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)
[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.
Harvest-aid chemicals
1991
Supak, James Raymond | Price, Jack | Rieff, Susan Karol