مؤلف: Holger Kirchmann

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1 كتب إلكترونية بواسطة Holger Kirchmann

Holger Kirchmann & Lars Bergstrom: Organic Crop Production – Ambitions and Limitations
Many people believe that organic agriculture is a solution for various problems related to food production. Organic agriculture is supposed to produce healthier products, does not pollute the environ …
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