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Garden Weed Control: My Soil Solarization Experiment

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  I had some major weed issues this last garden season! This last spring  I incorporated two trailer loads of horse manure into my garden  to add organic matter and nutrients to the soil.  While I love what it did for the texture of my predominantly clay soil, there were two pitfalls to my efforts.  First, the  manure had residual water soluble herbicides,  most likely from treated hay, that my source and I didn't realize were present.  (I highly recommend you read the  full story here  before making a decision for or against using manure in your garden.)  Second, and this I anticipated, the manure brought in an abundance of weed seeds that grew with great delight (as you can see in the picture above) until I got a handle on them. There are several ways to eliminate weeds.  I used two of them this summer by  mulching  and physically pulling the weeds, and another was inadvertently added to my garden with the manure, h...