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Diammonium Phosphate – DAP

DIAMMONIUM PHOSPHATE – DAP

DAP is often used to feed row crops, small grain crops, and forage crops, which includes many different varieties of lawn grass. Phosphate is essential to healthy plant growth, and can improve the ability of plants to withstand extreme temperatures. It also improves the water efficiency, making them drought tolerant. Foliage growth is typically increased as well when such a phosphorus heavy fertilizer is applied, making diammonium phosphate fertilizer from Hayleys Fertilizers a popular choice for most farmers. 

Eppawala Rock Phosphate – ERP

EPPAWALA ROCK PHOSPHATE – ERP

Eppawala Rock Phosphate (ERP) is a phosphorus (P) resource in Sri Lanka containing about (28% to 42%) of P2O5 and an alternative for imported Triple Super Phosphate (TSP). 

Triple Super Phosphate – TSP

TRIPLE SUPER PHOSPHATE – TSP

TSP has the highest P content of dry fertilizers that don’t contain nitrogen (N). Over 90 percent of the total P in TSP is water soluble, so it becomes rapidly available for plant uptake. As soil moisture dissolves the granule, the concentrated soil solution becomes acidic. TSP also contains 15 percent calcium (Ca), providing an additional plant nutrient. A major use of TSP is in situations where several solid fertilizers are blended together for broadcasting on the soil surface or for application in a concentrated band beneath the surface. It’s also desirable for fertilization of leguminous crops, such as alfalfa or beans, where no additional N fertilization is needed to supplement biological N fixation.