The calcium specifically has a sort of regulating effect on other soil nutrients such as copper phosphorous and zinc all of which can have damaging effects and inhibit growth.
Lime treatment for lawns.
Lime s primary role is to alter soil ph and offset soil acidity which can improve the availability of plant nutrients.
Limestone is most effective at changing the soil ph when it is mixed in with the top 5 inches of soil which means it s easier to adjust your soil s ph before planting grass seed or laying sod than it is to add it to an established lawn.
Soil ph preferences vary between regional lawn grasses but most grasses prefer soil ph between 5 8 and 7 2.
What is lime treatment for lawns.
What does lime do for grass.
If you live a rainy area where acid loving plants such as rhododendrons and camellias thrive your soil is likely acidic and may benefit from lime lawn treatment.
Lawns need lime when low soil ph starts inhibiting the availability of nutrients.
Lime should only be applied to a dry lawn and never to a lawn that is dormant wilted or stressed.
The only way to find out for sure is to take a soil test inexpensive tests are available at garden centers.
Testing soil ph.
When lawns are weedy patchy in spots or turn yellow it may be a sign that the ph balance of your yard is out of whack.