Literaturrecherche

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N-Requirement of mixed-cropping systems with oil crops in organic farming

Literatur Paulsen HM, Schochow M, Behrendt A, Rahmann G (2009) N-Requirement of mixed-cropping systems with oil crops in organic farming. In: 14th World Fertilizer Congress of the International Scientific Centre for Fertilizers CIEC Fertilizers and fertilization - stewardship for food security, food quality, environment and nature conservation ; Chiang Mai, Thailand, January 22 - 27,2006 ; proceedings. Iasi: Terra Nostra, pp 719-730

Organic farming - challenges and implications

Literatur Schnug E, Haneklaus S (2008) Organic farming - challenges and implications. In: Haneklaus S, Hera C, Rietz RM, Schnug E (eds) 15th International Symposium of CIEC, September 27-30, 2004, Pretoria, South Africa : Fertilizers and Fertilization for Sustainability in Agriculture: The First World meets the Third World - Challenges for The Future ; proceedings. Iasi: Terra Nostra, pp 471-482