Fertiliser for new lawns - Organic 3 kg - DCMIts a fertiliser and soil improver in one. DCM Fertiliser for new lawns is not only a lawn fertiliser but also a soil improver. It improves the soil structure and provides phosphorous rich nutrition. to accelerate rooting of the newly laid lawn. Spread the fertiliser just before you sow the grass seed or lay the sod. 0. 51 kg of fertiliser will cover areas of 10 m.