VERY USEFUL SOIL GUIDE
The Willamette Valley Soil Quality Guide was designed with farmers in mind, but can be used by gardeners in most zones across the country. "The general principles of the test are applicable anywhere, but the specifics will differ."
from Organic Gardening
2 comments:
Wow, this is a gem and comes at such a good time. We are going to start the garden and landscaping this spring.
Great! Always nice to start at the roots.
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