Nitrogen nutrition and isotope differences among life forms at the northern treeline of Alaska von Schulze, E.D. (Bayreuth Univ. (Germany). Lehrstuhl fuer Pflanzenoekologie), Chapin, F.S, Gebauer, G

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Critical loads for nitrogen deposition on forest ecosystems von SCHULZE, E.-D, DE VRIES, W, HAUHS, M, ROSEN, K, RASMUSSEN, L, TAMM, C.-O, NILSSON, J

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Growth, photosynthesis and storage of carbohydrates and nitrogen in Phaseolus lunatus in relation to resource availability von Mooney, H. A., K. Fichtner, E.-D. Schulze

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Isotope ratios and concentrations of sulfur and nitrogen in needles and soils of Picea abies stands as influenced by atmospheric deposition of sulfur and nitrogen compounds von Gebauer, G. (Bayreuth Univ. (Germany). Lehrstuhl fuer Pflanzenoekologie), Giesemann, A, Schulze, E.D, Jaeger, H.J

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