Q.What is soft rock phosphate?
What is soft rock phosphate, and how best to apply it in the garden?
Downtoearthdigs
Answered on July 24, 2015
This link provides a good explanation: http://www.dirtdoctor.com/Soft-Rock-Phosphate_vq2613.htm
For additional information on phosphorus, this article will help: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm
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