Tagged: poly-phosphate
March 17th, 2025
When deciding on what phosphorus source is best for your crop, companies may refer to the type of acid used in their phosphorus starter. You’ll likely hear one of these terms: Black Acid – it’s black because there is carbon in it. Green Acid – which is green or sometimes translucent, has some carbon…
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February 15th, 2019
Given poly-phosphates are not immediately plant available and ortho-phosphates are immediately plant available, this gives the promoters of “high” ortho-phosphate starters ample opportunity to muddy the waters. Nevertheless, the facts are, poly-phosphates are rather rapidly hydrolyzed (converted to) into ortho-phosphates once applied to soils, and this hydrolysis process generally takes just 48 hrs or so to complete.
