Dry Mineral Fertilizer | Soft Rock Phosphate – Florida ...
MDF is a colloidal phosphate fertilizer supplier and producer of fertilizers for regenerative agriculture. MDF Mineral Grow is an environmentally beneficial, colloidal claybased calcium soft rock phosphate that can never lock up, in contrast to other phosphate sources. Our fertilizer contains % phosphorus, % calcium, a high analysis of silicon and an exceptional amount of other trace ...