Is Disease in Wood Chips a Problem?
Linda Chalker-Scott, an Extension Horticulturist and Associate Professor at Washington State University has a nice publication on her website discussing
The Myth of Pathogenic Wood Chips. Her bottom line? It's not generally a problem as long as you don't amend the soil with wood chips (only spread on the surface instead) and if the mulch is kept away from the trunks of trees and shrubs.
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Wood Preservatives
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Tomato leaves turning yellow, plant dying
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Tomato Leaf Curl
The North Carolina Cooperative Extension has an article titled What Is Causing My Tomato Leaves to Curl? that covers common causes of tomato leaf curl. It includes a discussion of curl-related factors including: environmental, disease, and ...
Sterilized Pruning Tools: Nuisance or Necessity?
The Center for Landscape and Urban Horticulture has an online publication on Pruning that recommends "If diseased plants are pruned, disinfect pruning equipment after each cut to prevent spreading disease. Denatured alcohol or a chlorine bleach ...
Oxalis
There are two types of Oxalis weeds found in Santa Clara County: Creeping Woodsorrel (Oxalis corniculata) Bermuda Buttercup (Oxalis pes-caprae) also known as Buttercup Oxalis Information about how to control both of these weeds can be found in the UC ...