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Consulting » Tree Removal and Pruning » Specialty Tree Planting and Moving » Diagnosing and Treating
Plant Problems » Fertilization » Growth Regulators » Indoor/Structural pest control and
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Nutrition and Fertilization

Tree Nutrient Reqiuirements:

Trees must extract 13 nutrients from the soil in order to survive.

Macronutrients
  • Nitrogen
  • Phosphorus
  • Potassium
  • Magnesium
  • Sulphur
  • Calcium
 Micronutrients
  • Iron
  • Manganese
  • Zinc
  • Molybdenum
  • Copper
  • Chlorine
  • Boron
These are the thirteen elements that every tree needs. It must have all of them. There are no substitutes. A tree deficient in any one element will not be healthy and will die well before its time.

Tree Docotor Fertilizing:

  • Complete fertilizer - all 13 needed soil elements
  • Deep-root injection - aerates soil thus providing superior access to oxygen for roots; also deposits fertilizer below turfgrass roots so that tree gets all of it
  • Organic - attracts micro-organisms, improves soil as well
  • Suspension - not readily soluble in water - will not leach into ground water - will not wash away
  • Variable & slow release - makes nutrients available on a continuous basis for 12 months
  • Low salt - will not "burn" roots
  • Usually applied in early spring or early fall
  • Mixed at our shop to provide optimum combination of elements for season, plant species and plant needs

Benefits of Fertilizing

  • Alleviate compact soil
  • Increase tree tolerance to drought
  • Enhance plant resistance to insect and disease attacks
  • Reduce wind and storm damage (by thickening cell walls)
  • Produce more dense leaf canopy