Prom Granules

₹12,000.00
In stock
SKU
Prom

Weight : 1Ton

Price Including Bag & Transportation
Minimum 10 Tons per product

Phosphorus is required by all plants but is limited in soil, creating a problem in agriculture In many areas phosphorus must be added to soil for the extensive plant growth that is desired for crop production. Phosphorus was first added as a fertilizer in the form of single super phosphate (SSP) in the mid-nineteenth century, following research at Rothamsted Experimental Station in England. SSP is non-nitrogen fertiliser containing Phosphate in the form of monocalcium phosphate and Gypsum which is best suited for Alkali soils to supplement Phosphate and reduce soil alkalinity.

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The world consumes around 140 million tons of high grade rock phosphate mineral today, 90% of which goes into the production of diammonium phosphate (DAP). Excess application of chemical fertilizers in fact reduces the agricultural production as chemicals destroy natural soil flora and fauna. When DAP or SSP is applied to the soil only about 30% of the phosphorus is used by the plants, while the rest is converted to forms which cannot be used by the crops , a phenomenon which is known as phosphate problem to soil scientists.

i Moisture, percent by weight 25.0
ii Particle size Minimum 90% mineral should pass through 4.0 mm IS sieve
iii Bulk density (g/cm3) <1.6
iv Total organic carbon, percent by weight, minimum 7.9
v Total Nitrogen (as N), percent by weight, minimum 0.4
vi Total Phosphates (as P2O5), percent by weight, minimum 10.4
vii C:N ratio <20 : 1
viii PH(1:5 solution) 6.7
ix Conductivity (as dsm-1), not more than 8.2
x Heavy metal content, (as mg/kg), maximum
a) Arsenic (AS2O3 10.00
b) Cadmium (as Cd) 5.00
c) Chromium (as Cr) 50.00
d) Copper (as Cu) 300.00
e) Mercury (as Hg) 0.15
f) Nickel (as Ni) 50.00
g) Leads (as Pb) 100.00
h) Zinc (as Zn) 1000.00
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