A johansen carl (3 Ergebnisse)

Paperback. Zustand: Very Good. Reprint. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Zustand: Good. 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 Pesticides, Herbicides, Types of Insecticides, Pesticides Used by Beekeepers, Factors Contributing to Bee Poisoning, Mortality Factors Confused with Poisoning, Food Contamination, Other Contaminant Effects, The Science of Bee Poisoning, Legislation/Regulation, Miscellaneous Poisoning Problems, Reducing Pollinator Damage and Death. There are five Appendixes: Sequential Testing for Bee Hazard, Toxicity of Insecticides and Miticides, Toxicity of Herbicides, Blossom and Fruit Thinners, Desiccants and Plant Growth Regulators to Honey Bees, Toxicity of Fungicides to Honey Bees and Specific Bee Poisoning Data for Insecticides and Miticides.…

Paperback. Zustand: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.