|The soil without any treatment. The grass is thin.
||You want a better turf... thus you fertilize. But the
only thing available to you are primary nutrition... nitrogen, phosphorus,
potash... solid nutrients... thus...
||They release their food at the surface encouraging, even
forcing the grass roots which are lazy to come to the surface to feed.
Natural deep rooting is reversed, this is also true with quick release
liquid fertilizer that is not organic and does not incorporate itself within
the soil structure.
||Mat and thatch forms... roots continue to form at the
||Further surface applications of fertilizers, especially
slow-release ones, continue the formation of mat and thatch at the surface
which forms a barrier to proper circulation within the soil of air-nutrients-water.
You need more watering because it evaporates at the surface.
||Continued mat and thatch development forms an ideal environment
for fungus and insects to breed and cause damage. Soil hardens up without
proper circulation and the presence of air-water and the grass roots themselves.