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Biotic and abiotic decomposition of organic matter in soils por Scharpenseel, H.W., Freytag, J., Wurzer, M., Neue, H.U.

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Bomb-carbon, C-14-dating and C-13-measurements as traces of organic-matter dynamics as well as of morphogenetic and turbation processes por Scharpenseel, H.W., Becker-Heidmann, P., Neue, H.U., Tsutsuki, K.

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Zinc Deficiency in a Soil Toposequence, Grown to Rice, At Tiaong, Quezon Province, Philippines por Scharpenseel, H.W., Eichwald, E., Haupenthal, Ch., Neue, H.U.

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Land restoration: a neglected task por Scharpenseel, H.W.

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