International Symposium on Growth and Yield Control in Vegetable Production (1989 : Berlin, Germany)
Title:
International Symposium on Growth and Yield Control in Vegetable Production : Berlin, German Democratic Republic, May 22-25, 1989 / editor, G. Vogel ; organized by Section for Vegetables, Section Protected Cultivation and Commission Horticultural Engineering of ISHS, Institute of Vegetable Production Grossbeeren of the Academy of Agricultural Sciences of the German Democratic Republic.
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