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Landscape maintenance - PowerPoint PPT Presentation


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Landscape maintenance. Regular maintenance. Soil maintenance pH and nutrient testing & maintenance Amending Weed control Plant maintenance Irrigation Mulching Pest control (insects, disease, other organisms) Pruning. Landscape tools. Weed control. Chemical control

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Presentation Transcript
regular maintenance
Regular maintenance
  • Soil maintenance
    • pH and nutrient testing & maintenance
    • Amending
    • Weed control
  • Plant maintenance
    • Irrigation
      • Mulching
    • Pest control (insects, disease, other organisms)
    • Pruning
weed control
Weed control
  • Chemical control
    • Pre-emergent vs. post-emergence
    • Selective vs. nonselective
weed control1
Weed control
  • Hand weeding
  • Landscape fabric
  • Mulch
irrigation
Irrigation
  • Water supply to a plant
    • Limited by root system
      • Improve soil drainage, reduce soil compaction to improve root growth
    • Avg. soil absorbs 3/8” water per hour
      • Slow, less-frequent deep watering better than frequent shallow watering
        • Soaker hose
        • Drip irrigation
        • Basin watering (berm)
irrigation2
Irrigation
  • Hand watering
  • Sprinkler irrigation
    • Good for lawns, densely planted beds
    • Wastes water (evaporation, unplanted areas)
    • Can promote foliar diseases
    • Fixed heads/risers
    • Portable heads
  • Drip/trickle irrigation
    • Reduces water usage by >50%
    • Can apply fertilizers
    • Nozzles, pipes can clog
irrigation3
Irrigation
  • Mulching/ground covers reduces frequent watering needs
  • Standard 1/2” residential pipe can handle one irrigation head (install ¾”-1” piping if plan to irrigate)
  • Generally need 1” water per week
    • Lawns 1” per week
    • Woody plants 3-4” total every 4 weeks
      • Newly transplanted woody plants need to be watered weekly (1st year), every 2 weeks (2nd year)
pest control
Pest control
  • Choose plants with minimal pest problems
  • Insect pests are often vectors for disease
  • Chemical control
    • Contact poisons vs. systemic pesticides
    • Synthetic vs. organic
biological pest control
Biological pest control
  • Gardens Alive
  • Home Harvest
pruning
Pruning
  • Removal of excessive & undesirable growth
why prune
Why prune?
  • Sanitation
    • Broken branches & dead tissue
  • Diseased parts
  • Opening canopy
    • Increase air flow; reduce humidity
    • Increase penetration of sprays
  • Removal of undergrowth for appearance and fire prevention
  • Stimulate new, vigorous growth
why prune1
Why prune?
  • Aesthetics
    • Shape
      • Formal hedges
      • Topiary
why prune2
Why prune?
  • Enhance reproduction
    • Yield enhancement
    • Fruiting shoots vs. non-fruiting shoots
    • Increase flower size
    • Fruit distribution, size, sugar content uniformity
    • Access to fruit
why prune3
Why prune?
  • Manipulate physiology
    • Pre-transplant root pruning
    • Shoot tip pruning to promote branching
    • Stimulate new growth on older plants Dwarfing
      • Bonsai
pruning tools
Pruning tools
  • Saws
  • Shears
  • Hand pruners
  • Loppers
  • Pole pruners
  • Bypass vs. anvil
pruning tools1
Pruning tools
  • Sanitation
  • Branch size and pruner damage
    • Hand pruners (< 1/2 inch dia.)
    • Loppers (< 2 inch dia.)
  • Maintain sharp tools
    • Clean cuts heal faster
pruning principles
Pruning principles
  • Cutting is irreversible
  • Breaking apical dominance changes form of plant
  • Pruning invigorates regrowth
  • Pruning can direct growth
  • Timing of pruning is critical
    • Spring flowers develop on previous season’s growth
    • Summer and fall flowers develop on current season’s growth
pruning branches
Pruning branches
  • Cut at 900 angle
  • Cut in stages
pruning shrubs
Pruning shrubs
  • Heading back