 | Pests and Diseases Is your garden troubled by cutworms or aphids? Need to know the best method for preventing the spread of viruses among your houseplants? Look no further than Pests and Diseases, the informative guide to the downside of gardening. Sooner or later, everyone s roses are troubled by black … |
Amazon.com | 31.03. 2007 | |
 | Pests of the Native California Conifers This guide synthesizes the most current information available on the pests and environmental conditions that can damage California s conifers, the vast majority of native trees in the state. Authoritative and easy-to-use, it is an essential reference for biologists, arborists, ecologists … |
Amazon.com | 14.05. 2007 |
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