When we make a new lawn we must put good fertilizer to grow the grass.the good fertilizer is NPK which abbriviates nitrogen,Phosphorusa and potassium.this fertilizer must be purchased in good quality from any authorized manure shop.
On any bag of fertilizer you will find three numbers which refer to the percentage of nitrogen, phosphorus [P205], and potassium [K20] in the fertilizer. Nitrogen is what greens up your lawn. Potassium an important role in strengthening the plants and forming carbohydrates.
The best fretilizer for a new lawn is cow dung. It is a natural fertilizer and it is commonly used for all lawns. Please avoid other chemical. Go eco friendly.
Potash is a source of potassium and it plays an important role in strengthening the plants and forming carbohydrates. It hardly contributes to ground water pollution however if there are erosion issues it will move with the soil particles.