By Puhlmann Martina   Kuka Katrin   Franko Uwe   in Nutrient Cycling in Agroecosystems

ISSN:1385-1314|74|3|295-304

Springer Publishing Company ‎(2006)‎

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By Richter Goetz   Schmidt Thomas   Franko Uwe   in Archives of Agronomy and Soil Science

ISSN:0365-0340|50|6|553-562

Taylor & Francis Ltd‎(2004)‎

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