LIBROS DEL AUTOR: f mayer daniel

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  • Pollinator Protection a Bee & Pesticide Handbook
    A. Johansen Carl / F. Mayer Daniel
    A handbook designed for use by beekeepers, growers, pesticide applicators, county agents, ag consultants, environmentalists, and research scientists and teachers. The book outlines methods of protecting pollinating bee species to ensure adequate crop pollination. Chapters include: History of Bee Poisoning, Bees and their Relatives, Bee Poisoning Symptoms and Signs, Types of Pes...
    Disponible

    39,28 €