Q.greensand
You have an article about greensand – showing a bag of it. Who is the manufacturer?
MichiganDot
Answered on March 3, 2018
Greensand comes in bags; in some areas it may be available in bulk. Typical rate of application is 50-100 pounds per 1,000 sq. ft. Some brands are Down to Earth, Espoma, Horizen Hydroponics, Gardener's Supply and Soil Mender Products.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/using-glauconite-greensand.htm
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