Lawn renovation

       January 1, 0000    1227

 

Lawn renovation describes corrective procedures to restore beauty to an old lawn without removing all of the grass. It can be as simple as over seeding a thin turf area or can include power raking and core ventilation if thatch is greater than 1/2 inch or the soil is compacted. A total renovation would occupy killing the undesirable grasses with a non-selective herbicide and may require more than one spray application. A high percent of turf grass renovations are not successful as far as changing turf grass species due to the fact the areas are usually sprayed once, over seeded and expected to be totally converted to a new species. If it is not done properly, the site will look good to begin with, but will eventually return to the conditions existing before renovation. If all grass is removed and soil cultivated then some management practices will cause turf problems to develop that require renovation to correct.

Renovation procedure
It is favorable in spring and fall growing weather, as it will hurry lawn recovery following renovation. Summer renovation may result in slow recovery and is not recommended. Total kill, grass removal and restoration can be accomplished during the late summer period.
1. First adjust the mower and mow the lawn thoroughly-slightly lower for bent grasses.
2. Powers rake the lawn as many times as may be necessary to remove all thatch. It is best to de thatch in opposite directions.
3. When all thatch has been removed then mow the turf again
4. Heavy raking may excessively thin grass stems and crowns.
5. Before over seeding try to remove grass from all high and low spots.
6. Growth will takes quickly from grass stems and crowns that were not removed through the raking process and from additional seed planted. It is important to maintain surface moisture for germination of newly applied seed.
7. One has a choice of removing the dead grass. It is advisable to increase the seeding rates recommended for new lawns in this case.
A good lawn should effectively last a lifetime if properly fertilized, watered, mowed, de thatched and over seeded as needed. Pests should be controlled when diagnosed as being at harmful levels to the turf area.
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