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5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
5 12 lawn maintenance
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5 12 lawn maintenance

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  • 1. Lawn Maintenance
  • 2. What is the best grass for: <ul><li>Shade? </li></ul><ul><li>Summer sports fields? </li></ul><ul><li>A fine looking lawn? </li></ul><ul><li>A quick green-up of a lawn? </li></ul><ul><li>A year round easy care lawn? </li></ul>
  • 3. Aeration <ul><li>Lawn aeration involves the removal of small soil plugs or cores out of the lawn </li></ul>http://www.earthpoint.us/Shapes.aspx
  • 4. Aerators <ul><li>Self-propelled </li></ul><ul><li>Towed </li></ul><ul><li>Manual </li></ul>
  • 5. Aeration <ul><li>Grass recovers very quickly &amp; then grows better </li></ul><ul><li>Increases oxygen availability to roots </li></ul><ul><li>Reduces compaction – roots can expand </li></ul><ul><li>Lets soil take up water better </li></ul>
  • 6. Aeration Video <ul><li>Aeration Video </li></ul>
  • 7. Lawn Maintenance <ul><li>Mowing </li></ul><ul><ul><li>Mow at correct height for the grass </li></ul></ul><ul><li>Fertilizing </li></ul><ul><ul><li>Schedule depends on grass, soil texture &amp; soil test result </li></ul></ul><ul><li>Liming </li></ul><ul><ul><li>Do a pH test to determine if it is required. Apply according to results. </li></ul></ul><ul><li>Weeding </li></ul><ul><ul><li>How many weeds are you willing to tolerate </li></ul></ul><ul><li>Aerating </li></ul><ul><ul><li>Not required often </li></ul></ul>Decide how “organic” you want to be
  • 8. Mowing Height &amp; Frequency <ul><li>Never remove more than 1/3 of the grass length in a single mowing. </li></ul><ul><li>Longer grass can handle stress better than short grass </li></ul><ul><li>Longer grass outcompetes weeds </li></ul><ul><li>Leave longer during hot midsummer </li></ul><ul><li>Okay to cut shorter spring and fall </li></ul><ul><li>Alter the mowing path </li></ul>
  • 9. Mowers <ul><li>Rotary </li></ul><ul><li>Reel </li></ul>
  • 10. Fertilization <ul><li>Soil test first!!! </li></ul><ul><li>Never fertilize dormant grass </li></ul><ul><li>Feeding the roots – not the blades </li></ul><ul><li>Soil texture </li></ul><ul><ul><li>sandy soils need most, Loamy soils need least </li></ul></ul><ul><li>Grass species </li></ul><ul><ul><li>Vary in their fertilizer needs </li></ul></ul><ul><li>Organic option </li></ul><ul><ul><li>Urea </li></ul></ul><ul><ul><li>Compost </li></ul></ul><ul><li>Use high nitrogen, low phosphorus, medium potassium </li></ul><ul><ul><li>20-4-8 </li></ul></ul><ul><li>Note: Changes coming due to Chesapeake Bay Legislation </li></ul>
  • 11. Fertilizer <ul><li>Cool Season </li></ul><ul><ul><li>1 lb in Sept </li></ul></ul><ul><ul><li>1 lb in Oct </li></ul></ul><ul><ul><li>1 lb in Nov </li></ul></ul><ul><ul><li>½ lb in May </li></ul></ul><ul><li>Warm Season </li></ul><ul><ul><li>1 lb in April </li></ul></ul><ul><ul><li>1 lb in May </li></ul></ul><ul><ul><li>1 lb in June </li></ul></ul><ul><ul><li>1 lb in July/Aug </li></ul></ul>Never apply more than 1 lb of N per 1000 sq ft .
  • 12. Lawn fertilizer <ul><li>Follow directions on the bag </li></ul><ul><li>Add 1 lb N for 1000sq ft </li></ul><ul><li>Fertilizing a 2000 sq ft area </li></ul><ul><li>Our fertilizer mix is 28 – 3 – 3 </li></ul><ul><li>? Lbs of fertilizer </li></ul>
  • 13. Soil pH <ul><li>Grasses favor high pH (alkaline soil) </li></ul><ul><li>Trees and forests leave low pH soil (acidic) </li></ul><ul><li>Virginia has a limestone rock base that results in acidic soils </li></ul><ul><li>Poor grass growth in low pH soil </li></ul><ul><li>Lots of moss in low pH (acidic) soil </li></ul>
  • 14. Lime <ul><li>Calcium hydroxide: Ca(OH)2. </li></ul><ul><li>It is a white powder </li></ul><ul><li>Also called slaked lime , hydrated lime </li></ul><ul><li>A lot of new forms available that are easier to spread </li></ul><ul><li>Increases the pH of soil – </li></ul><ul><ul><li>Makes them “sweeter” or more basic </li></ul></ul><ul><li>Takes several years to work </li></ul>
  • 15. Weeds <ul><li>Broadleaf weeds – Early spring – fall problem </li></ul><ul><ul><li>Dandelion </li></ul></ul><ul><ul><li>Ground Ivy </li></ul></ul><ul><ul><li>Plantain </li></ul></ul><ul><li>Grassy weeds – Hot summer problem </li></ul><ul><ul><li>Bermuda grass </li></ul></ul><ul><ul><li>Crab grass </li></ul></ul><ul><ul><li>Annual Bluegrass </li></ul></ul>
  • 16. Herbicides <ul><li>Pre-emergence – prevents germination. </li></ul><ul><ul><li>Apply in the early spring </li></ul></ul><ul><ul><li>Don’t apply before seeding </li></ul></ul><ul><li>Post emergence – kills growing weeds </li></ul><ul><ul><li>Broad leaf – only kills weeds </li></ul></ul><ul><ul><li>Broad spectrum – kills all plants </li></ul></ul>
  • 17. Grass ID <ul><li>Use the key to identify the grasses from the turf areas: </li></ul><ul><li>http://www.ipm.ucdavis.edu/TOOLS/TURF/TURFSPECIES/index.html </li></ul><ul><li>Tall Fescue </li></ul><ul><li>Kentucky Bluegrass </li></ul><ul><li>Perennial Ryegrass </li></ul>

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