понедельник, 25 января 2010 г.

Learn Horticulture Ebook Green Free



This book include the geographical origins of edible horticultural plants as well as plant identification and classification, physiology, breeding, propagation, soil classification and fertility, irrigation, ecology and pest control, and garden design. Conventional, organic, and sustainable horticultural methods are described to provide the reader with a comprehensive understanding of the field

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