By Roschke MAnfred   von Gagern Wilfried   in Archives of Agronomy and Soil Science

ISSN:0365-0340|51|2|119-124

Taylor & Francis Ltd‎(2005)‎

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By Zimmer Jörg   Roschke Manfred   Schulze Dieter   in Archives of Agronomy and Soil Science

ISSN:0365-0340|51|2|135-149

Taylor & Francis Ltd‎(2005)‎

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By von Gagern Wilfried   Roschke Manfred   Zimmer Jörg   in Archives of Agronomy and Soil Science

ISSN:0365-0340|51|2|109-109

Taylor & Francis Ltd‎(2005)‎

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