Herbicide-Resistant Weeds and Their Management

Explains the different types of resistance that weeds can develop and how to avoid making the problem worse. Gives examples of common Northwest weeds and their herbicide resistance. Unfolds to a multi ...
Sku: PNW437
€2.38
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Assessing Tree Health

Healthy trees are beneficial to our environment and our property values - but how do we determine if a tree is healthy? This publication briefly discusses common tree health problems and outlines a p ...
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A Citizen Science Guide to Wild Bees and Floral Visitors in Western Washington (Home Garden Series)

Since wild bees are difficult to monitor and identify, this guide acts an introductory document for those who would like to understand wild bee biodiversity and contribute to conservation through moni ...
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A Gardener’s Primer to Mycorrhizae: Understanding How They Work and Learning How To Protect Them (Home Garden Series)

Mycorrhizae are symbiotic associations between many plants and the beneficial fungi that colonize their roots. Gardeners are often unaware of these relationships and may inadvertently injure or kill t ...
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Agricultural Lime and Liming - Part 2. Laboratory testing to determine lime requirements (Soil Acidification Series)

Agricultural Lime and Liming is a three-part publication that introduces the basic principles of how and why calcareous amendments are land applied to elevate the pH of acid soils. Part 2 delves more ...
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