GSSP is a straight phosphatic multi-nutrient fertilizer which contains 14.5% water soluble P2O5,
12% sulphur, 21% calcium and some other essential micro nutrients in small proportions. GSSP, which is a poor farmer’s fertilizer (price-wise), is an option to optimise the use of phosphatic fertilizers. It also helps to treat sulphur deficiency in soils (40% Indian soil is sulphur deficient) as well for further enhancement of yields at the least cost.
P2 O5 (water and citrate soluble): 18% Min. (on dry basis).
Moisture: 4% Max.
Free Acidity as P2 O5: 4% Max.
Analysis: According to A.O.A.C method of analysis
Color: Grayish
Granulometry: 1-4.75 mm 95% Min.
Hardness: 3kg/granule Min.
Name of product -beneficiated rock phosphate
Chemical composition : -
P2o5-30.20 %( minimum)
R2o3-2 to 2.5% (maximum)
Sio2-15 to 16 %
Mgo-0.5 to 0.75%
Cao-45 to 46%
F-2.5 to 3%
Co2/caco3-1.5 to 2 %
Phosphate Rock is the raw material to manufacture most commercial phosphate fertilizers. In its unprocessed state, phosphate rock is not suitable for direct application. The process begins by grinding rock phosphate to a fine material. Potash is also fed together with super phosphate to obtain various grades of fertilizers.
Mineral ore containing oxides of Phosphorous, Iron, Aluminum, Sodium, Magnesium, Silicon and small amounts fluorides with chemical formula Ca10F2(PO4)6.
Rock phosphate is an important mineral resource with numerous uses and applications in agriculture and the environment.
Rock phosphate used in the manufacture of detergents, animal feed, phosphate fertilizers.
Rock phosphate is used in combination with other nutrient sources to provide what the soil need, application rates depend on a variety of factors.
Rock phosphate in different concentrations 24%, 25%, 26%, 27%, 28%, 29% and 30% in grain size 0-3 mm.
