7 Stars DAP
Di-ammonium Phosphate (DAP) belongs to a series of water-soluble ammonium phosphates that is produced through a reaction of ammonia and phosphoric acid. DAP is the most concentrated phosphatic fertilizer containing 46% P2O5 and 18% N. It is recommended for all crops as basal fertilizer to be applied at the time of sowing for better root proliferation and inducing energy reactions in the plants. The solubility of DAP is more than 90%, which is the highest among the phosphatic fertilizers available in the Country; due to which it can also be applied post planting through fertigation. Further, on account of its nitrogen content upon completion of nitrification process, the ultimate reaction of DAP is acidic.
Industrial Use:
Fire retardant used in commercial firefighting products. Other uses are as metal finisher, yeast nutrient and sugar purifier.
7 Stars Sulphate of Potash (SOP)
SOP is an important source of Potash, a quality nutrient for production of crops, especially fruits and vegetables. 7 Sars SOP contains 50% K2O in addition to 18% sulfur, which is an important nutrient especially for oil seed crops because of its role in increasing the oil contents. It has also an additional advantage of ameliorating effect on salt-affected soils.
Sulfur also helps in containing spread of fungal or other soil borne diseases. Potash is an important nutrient for activation of enzymes in the plant body, develops resistance against pests, diseases, stresses like water/frost injury and also helps in increasing sugar / starch contents in plants. It also improves quality and taste of vegetables / fruits.
7 Stars SOP is one of the finest quality products with less than 1% Chloride content being imported from European origin and preferred for the high value Tobacco crop.
Industrial Use:
Occasionally used in manufacturing of glass.
7 Stars Ammonium Sulphate
Ammonium sulfate (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen and 24% sulfur.
The primary use of ammonium sulfate is as a fertilizer for alkaline soils. In the soil, the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil, while contributing essential nitrogen for plant growth. The main disadvantage to the use of ammonium sulfate is its low nitrogen content relative to ammonium nitrate, which elevates transportation costs.
It is also used as an agricultural spray adjuvant for water-soluble insecticides, herbicides, and fungicides. There, it functions to bind iron and calcium cations that are present in both well water and plant cells. It is particularly effective as an adjuvant for 2,4-D (amine), glyphosate, and glufosinate herbicides.
7 Stars Muriate of Potash (MOP)
Potassium chloride (commonly referred as Muriate of Potash or MOP) is the most common potassium source used in agriculture, accounting for more than 90% of all potash fertilizers used worldwide. MOP contains 60% K2O and is used mainly for fertilizing sugarcane, maize, fruit trees, vegetables and other field crops except tobacco.
Industrial Use:
Used in Medicine, scientific applications, food processing etc.
7 Stars Mono Ammonium Phosphate (MAP)
Monoammonium phosphate (MAP) is a widely used source of phosphorus (P) and nitrogen (N).* It’s made of two constituents common in the fertilizer industry and contains the most phosphorus of any common solid fertilizer.
MAP has been an important granular fertilizer for many years. It’s water-soluble and dissolves rapidly in adequately moist soil. Upon dissolution, the two basic components of the fertilizer separate again to release ammonium (NH₄⁺) and phosphate (H₂PO₄⁻), both of which plants rely on for healthy, sustained growth.
The pH of the solution surrounding the granule is moderately acidic, making MAP an especially desirable fertilizer in neutral- and high-pH soils. Agronomic studies show that, under most conditions, no significant difference exists in P nutrition between various commercial P fertilizers under most conditions.