lawn maintenanceppt - ia agriculture education草坪maintenanceppt -乔治亚农业教育.ppt

Maintaining the Lawn
Modified by ia Agricultural Education Office
June, 2002
Maintaining the Lawn
Applying lime
sulfur
fertilizer
Lime
Should be applied when necessary to keep the pH between and
Late fall and winter are the best times to apply lime
Lime
moves through the soil slowly at a rate of about 1/2 to 1 inch per year
Sulfur
should be used on soils that are alkaline to adjust the pH
Fertilizer
annual applications of fertilizer are needed
Nitrogen leaches through the soil and must be replaced regularly
Fertilizer
Lawns require high N fertilizer
Nitrogen
can be applied in anic form which acts as a slow release nutrient that does not burn the grass and supplies N over a longer period of time
Fertilizer
should be applied with a spreader just prior to the active growing season
Mowing
two types of mowers;
reel
rotary