Phosphate rock powder is a natural, untreated. Phosphate rock powder is a natural, untreated phosphate. When applied to the soil, phosphate rock will become part of the soil. Once applied, the phosphate rock does not leach and it remains in the soil until it is absorbed by the plant. Phosphate contains no harmful acids, it also encourages the growth of bacteria and earthworms in the soil. Phosphate rock powder can be used as a base fertilizer once, and the fertilizer effect can be maintained for several years. At the same time, it is a kind of
Phosphate Fertilizer. This organic fertilizer contains 28% to 32% P2O5.