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  • 1. Turf Maintenance Grass: Perennial Ryegrass Term: Aeration
  • 2. Perennial Ryegrass
    • Germinates very quickly
    • Poor shade tolerance
    • Short-lived grass may only live one season
    • Only grows by seed – not sod
    • Mow at 1 ½ to 2 ½ inches
    • Poor drought tolerance
    • Bunch type grass – no stolons or rhizomes
    • Cool-season
    • Used for over-seeding dormant warm season turf & quick green-up
  • 3. Perennial Ryegrass
    • Has auricles
    • Folded new leaves
    • Bunch grass
      • No stolons
      • No rhizomes
  • 4. Kentucky Blue Grass
    • Boat-shaped tip
    • Parallel blades
    • Short ligule, no auricle
    • Underground Rhizomes
  • 5. Tall Fescue
    • Rolled leaf
    • Collar
    • Ligule
    • Auricle
    • Rhizomes
  • 6. Aeration
    • Lawn aeration involves the removal of small soil plugs or cores out of the lawn
    http://www.earthpoint.us/Shapes.aspx
  • 7. Aerators
    • Self-propelled
    • Towed
    • Manual
  • 8. Aeration
    • Grass recovers very quickly & then grows better
    • Increases oxygen availability to roots
    • Reduces compaction – roots can expand
    • Lets soil take up water better
  • 9. Aeration Video
    • Aeration Video
  • 10. Lawn Maintenance
    • Mowing
      • Mow at correct height for the grass
    • Fertilizing
      • Schedule depends on grass, soil texture & soil test result
    • Liming
      • Do a pH test to determine if it is required. Apply according to results.
    • Weeding
      • How many weeds are you willing to tolerate
    • Aerating
      • Not required often
    Decide how “organic” you want to be
  • 11. Mowing Height & Frequency
    • Never remove more than 1/3 of the grass length in a single mowing.
    • Longer grass can handle stress better than short grass
    • Longer grass outcompetes weeds
    • Leave longer during hot midsummer
    • Okay to cut shorter spring and fall
    • Alter the mowing path
  • 12. Mowers
    • Rotary
    • Reel
  • 13. Fertilization
    • Soil test first!!!
    • Never fertilize dormant grass
    • Feeding the roots – not the blades
    • Soil texture
      • sandy soils need most, Loamy soils need least
    • Grass species
      • Vary in their fertilizer needs
    • Organic option
      • Urea
      • Compost
    • Use high nitrogen, low phosphorus, medium potassium
      • 20-4-8
    • Note: Changes coming due to Chesapeake Bay Legislation
  • 14. Fertilizer
    • Cool Season
      • 1 lb in Sept
      • 1 lb in Oct
      • 1 lb in Nov
      • ½ lb in May
    • Warm Season
      • 1 lb in April
      • 1 lb in May
      • 1 lb in June
      • 1 lb in July/Aug
    Never apply more than 1 lb of N per 1000 sq ft .
  • 15. Lawn fertilizer
    • Follow directions on the bag
    • Add 1 lb N for 1000sq ft
    • Fertilizing a 2000 sq ft area
    • Our fertilizer mix is 28 – 3 – 3
    • ? Lbs of fertilizer
  • 16. Weeds
    • Broadleaf weeds – Early spring – fall problem
      • Dandelion
      • Ground Ivy
      • Plantain
    • Grassy weeds – Hot summer problem
      • Bermuda grass
      • Crab grass
      • Annual Bluegrass
  • 17. Today
    • Picture
    • Greenhouse
    • Front garden
  • 18. Grass ID
    • Use the key to identify the grasses from the turf areas:
    • http://www.ipm.ucdavis.edu/TOOLS/TURF/TURFSPECIES/index.html
    • Tall Fescue
    • Kentucky Bluegrass
    • Perennial Ryegrass
  • 19. Mowing Safety
    • Read the Safe Operation Practices Sheet
    • Take the safety test