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IA/MN/WI | 30% of it is plant available.
The reality of phosphate starters is that most of the phosphate is wasted. They readily react with other components of the soil to form organic compounds and then the phosphate must be mineralized back into an inorganic form to become plant available. That is why the ROI on liquid starters can be so variable, it's heavily dependent on soil type and the conditions on any given year. | |
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