We recommend this as a starting point. It'll point out any important deficiences, which you can then take steps to correct. This test measures biological activity in your soil. The results indicates whether you need to add organic matter to your lawn. You can also use Nature's Turf to promote your soil life.
Healthy soil requires lots of biological activity in the form of earthworms and microorganisms.
Biological activity requires adequate organic matter to flourish. Then aerate your lawn. Aeration helps to alleviate the compaction caused by winter snows and gravity. The soil gets an injection of oxygen, which promotes activity in soil organisms and helps subsequent fertilizations penetrate deeper to root systems. Apply WeedBan at 20 lbs per 1,000 sq.ft.