خيارات البحث
النتائج 181 - 190 من 240
Investigations into the sulfur pools of typical soils of the ARINUS plots - Effects of experimental ammonium sulfate application on sulfur amounts and species
1994
Prietzel, J. (Muenchen Univ., Freising (Germany). Lehrstuhl fuer Bodenkunde und Standortslehre) | Rehfuess, K.E.
Diagnosis of damage to Norway spruce (Picea abies) and silver fir (Abies alba) through visible and biochemical criteria. A comparison of both diagnostic methods on permanent-observation sites in Baden-Wuerttemberg
1994
Schmitt, V. (Mainz Univ. (Germany). Inst. fuer Allgemeine Botanik) | Wild, A.
Effects of nutrient supply on root growth, root turnover, and carbohydrate metabolism of trees
1994
Seith, B. (Hohenheim Univ. (Germany). Inst. fuer Pflanzenernaehrung) | George, E. | Marschner, H.
The effect of liming and Mg-fertilization on uptake, transport and final use of calcium and magnesium in conifers. 2: Significance of internal and external factors influencing the Ca- and Mg-dynamics in Norway spruce trees
1994
Tuerk, S. (Freiburg Univ. (Germany). Inst. fuer Forstbotanik und Baumphysiologie) | Guelpen, M. | Fink, S.
Function and repair of the photosynthetic apparatus in spruce with disorders in the supply with nutrients at different light intensities
1994
Godde, D. (Bochum Univ. (Germany))
Image 2.0 | Image two point zero | Water, air, and soil pollution
1994
Alcamo, Joseph
Combustion and pollution control in heating systems
1994
Hanby, V. I. (Victor Ian)
Biogas technologies in developing countries: higher effectiveness in biogas production
1994
Marchaim, U. (Galillee Technological Center, Kiryat Shmona (Israel))
Anaerobic digestion of instant coffee waste as an essential process for production of plant growth medium
1994
Kostenberg, D. (Galilee Technological Center, Kiryat Shmona (Israel)) | Marchaim, U. | Epstein, E.
[Effects and control of long-range transboundary air pollution. Report prepared within the framework of the Convention on Long-range Transboundary Air Pollution]
1994