Rock phosphate powder is a natural, untreated soft phosphate with colloidal clay containing valuable minor minerals in addition to phosphorus. It is not acid forming, will not cake or harden and spreads easily through any type of lime, phosphate or fertilizer spreader. Phosphate Rock is not a complete fertilizer. It is an excellent source of phosphate that can be used profitably on certified organic farms. When applied to the soil Phosphate Rock adheres to and becomes a part of the soil. It will not leach and once applied, remains in the soil until used by the plants. Phosphate Rock contains no harmful acids and encourages growth of soil bacteria and earthworms.

Rock Phosphate(RPP) is used as a base fertilizer. It is a type of phosphorus fertilizer on acid podzolic, gray wooded, and bog soils and on leached chernozems and red soils. This organic fertilizer contains 28% to 32% P2O5.

Specification
1)P2O5:28-32%
2)CaO45-52%
3)mesh size:100-6000mesh
4)Color:Red/Yellow/Grey/Brown

5)Magnesium Oxide (MgO) : 0.62 % max
6)Aluminum ( AL2O3 ) : 0.40 % max
7)Iron (Fe2O3) : 1.48 % max
8)Fluoride (F) : 3.10 % max

Packing:25-1000kg per bag