By Winkelmann Wolf   Ellmer Frank   Zeitz Jutta   in Archives of Agronomy and Soil Science

ISSN:0365-0340|52|4|365-376

Taylor & Francis Ltd‎(2006)‎

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By Velty Silke   Augustin Jürgen   Behrendt Axel   Zeitz Jutta   in Archives of Agronomy and Soil Science

ISSN:0365-0340|53|6|629-643

Taylor & Francis Ltd‎(2007)‎

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