Epsom salt contains magnesium, which all plants need for photosynthesis. Magnesium is rarely lacking in most soils so adding it to lawns is not useful. Only apply fertilizer after doing a soil test to ...
Dundee Sustainable Technologies plans to produce sulfate-based potassium, potassium magnesium fertilizers MONTREAL—Dundee Sustainable Technologies Inc. (DST) says it is entering the fertilizer ...