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![Page 1: Tree and Shrub Fertilizer Arbor Green ® PRO. Davey Arbor Green® PRO The Davey Institute has researched the natural soil conditions of the forest floor.](https://reader035.fdocuments.us/reader035/viewer/2022070413/5697bf911a28abf838c8e9a9/html5/thumbnails/1.jpg)
Tree and Shrub Fertilizer
Arbor Green® PRO
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Davey Arbor Green® PRODavey Arbor Green® PRO
The Davey Institute has
researched the natural soil
conditions of the forest floor and recognizes the challenges of the urban
forest soil.
Arbor Green PRO
mimics nutrient delivery as
seen in the natural forest
environment.
• Microbial release of nutrients
• 3-1-1 nutrient ratio
• Low salt index
• Long term nutrient buildup
Inspired by Nature
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Davey Arbor Green® PRODavey Arbor Green® PRO
Why Fertilize?• Forest Trees
• Recycle nutrients
• Build soil over time
• Urban Trees• Little or no
recycling
• Disturbed soils & sub-soils
• Turf competition
• Limited natural nitrogen
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Davey Arbor Green® PRODavey Arbor Green® PRO
• Optimal Soil Nutrients will:
• Hasten maturity of young trees
• Maintain health & vigor of trees
• Rescue declining trees
• Cure nutrient deficiencies
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Arbor Green PRO• Developed by a tree company for use by tree companies• Patented formulation• Backed by Davey
Key Benefits
• Superior performance
• Use 25% less nitrogen
• Lower cost application
Davey Arbor Green® PRODavey Arbor Green® PRO
Tree Growth Comparison Trial on established treesLength of trial – 3 years
Untreated Treated
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Patented FormulationPatented Formulation
PPA – PolyaspartatePPA amino acid improvesnutrient availability.• Compared to humates, PPA has 3 to 4 times as many nutrient holding sites per particle.Result: Less fertilizer needs to be applied.
The lower application rate addresses environmental stewardship and lower cost.
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Slow Release NitrogenSlow Release Nitrogen
Davey Arbor Green PRO nitrogen source contains 66% water insoluble nitrogen (WIN), which provides uniform slow release rate.
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Nitrogen Release Mimics Natural Organics
Slow Release NitrogenSlow Release Nitrogen
Charts adapted from Nu-Gro.
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Excess soluble nitrogen can over-stimulate vegetative growth possibly upsetting root to shoot balance. Succulent new cell growth may have weak cell walls leading to damage by insects. Excessive new growth can take away nutrients used by the plant to produce natural plant defenses used to protect against insects and disease.
Slow Release NitrogenSlow Release Nitrogen
Charts adapted from Nu-Gro.
AGP Compared to Other Slow Release Nitrogen
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1. Microorganisms utilize the carbon in ureaform and release the nitrogen for the plant.2. Because this is a biological process, it slows in cool and/or dry soils.3. The biological release rate reduces nitrogen leaching.
Microbial BreakdownMicrobial Breakdown
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Building the SoilBuilding the Soil
Nitrogen in Davey Arbor Green PRO will remain in the soil at a significantly
higher level than conventional fertilizers resulting in more uniform growth
response and healthier plants.
Percent of Soil Nitrogen Over 7 Years
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Arbor Green PRO
is ideal to use on sensitive, newly
planted, drought-stressed, or
trees in decline. The AGP salt index is 10 or
less compared with other
products at 15 to 120.
Low Salt IndexLow Salt Index
Before After
A Low Salt Index Means Low Burn Potential
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Arbor Green PRO 30-10-7Arbor Green PRO 30-10-7
Patented Formulation• Use 25% less nitrogen• Long lasting
• Two year application rate• Improves nutrient holding
capacity of soil compared to conventional fertilizers with humate additives• Low Salt Index (less than
10)• Non burning – not only for
use on normal trees but also newly planted, stressed, and declining trees. Also for use on shrubs.• Low Leach Potential• Cost Effective
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30-10-7 Product Specifications 30-10-7 Product Specifications
• Nitrogen Source• Ureaform: poly-urea (carbon-based nitrogen)
• Potassium and Phosphorus Source• Monopotassium phosphate (food grade)
• Amino Acid Source• Potassium Polyaspartate
• Salt Index• Less than 10
• Weight• 30 pound bag
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Arbor Green PRO 30-0-10 Non-PhosArbor Green PRO 30-0-10 Non-Phos
Non-Phosphorus Formulation
• Meet regulatory environment conditions
• Especially for use near water
• Use 25% less nitrogen
• Long lasting
• Low Salt Index (less than 10)
• Non burning – not only for use on normal trees but
• also newly planted,
• stressed, and declining
• trees. Also for use on
• shrubs
• Low Leach Potential
• Cost Effective
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30-0-10 Product Specifications30-0-10 Product Specifications
Nitrogen SourceUreaform: poly-urea (carbon-based nitrogen)
Potassium SourcePotassium Sulfate
Amino Acid SourcePotassium Polyaspartate
Salt IndexLess than 10
Weight30 pound bag
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Arbor Green PRO 30-10-7 PacketsArbor Green PRO 30-10-7 Packets
• Use For:• Fertilizing small caliper
trees, shrubs and potted plants.
• When planting small caliper trees, shrubs, potted and other landscape plants.
• Easy-to-Use. No Mixing• Tear open the packet and
disperse directly in planting hole or directly on soil near the plants. Water in.
• Easy to Measure• 1 dbh inch tree: 1 packet
• 2 dbh inch tree: 2 packets
• 3 dbh inch tree: 3 packets
• Packaging• 48 packets per display• 2 displays per carton• 96 packets per carton
Note: Same patented formulation as AGP 30-10-7 in 30 lb. bag.
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Application BasicsApplication Basics
Product Characteristics• Suspendable formulation• Indefinite shelf life• Non-hazardous• Non-corrosive• Odorless• Pathogen free• Weight – 30 lb. bags• Pallet – 40 bags
Equipment Requirements• Conventional spray equipment• Agitation
• Paddle agitation or• Jet agitation with Venturi
nozzles• Standard soil injection probe
with 4 lateral ports on tip. • FMSC 785 or other
standard spray gun attached to injection probe.
• 150 to 200 psi
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Tank AgitationTank Agitation
• Spray tank should be equipped with sufficient agitation to maintain fertilizer suspension.
• Mechanical paddle agitation is recommended.
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Mixing RateMixing Rate
One Year Rate
Mix 15 lbs. (1/2 bag) of Davey Arbor Green PRO in 100 gallons of water.
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Mixing ProcedureMixing Procedure
Fill the tank with water and engage the pump during fill-up.
Add fertilizer slowly, in 5 lb. increments, to the water to ensure proper suspension.
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Re-suspendRe-suspend
Use soil-probe to re-suspend the material.
Avoid agitation paddles
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CalibrationCalibration
With 300 ft of ¾ inch diameter hose, there is a pressure loss of approximately 5 psi per 50 ft of hose, so the pump pressure should be set at a minimum of 150 psi.
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CalibrationCalibration
1. Collect fertilizer solution
2. Record time to collect ½ gallon
3. This should be about 4 seconds.
4. Increase or decrease pressure to be near 4 sec.
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Tree ApplicationTree Application
1. 50 gal. /1,000 sq. ft
2. Under canopy
3. Apply one-half (1/2) gallon of suspension per injection. Approx. 4 seconds
4. Space injections three (3) feet apart.
5. Inject to a depth of 4 to 12 inches.
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Application – Liquid InjectionApplication – Liquid Injection
• Sub-surface injection helps break-up compaction.• Sub-surface injection applies fertilizer where the roots are. • Start injection below the turfgrass roots to avoid competition for nutrients.
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• Liquid injection
places the fertilizer
in contact with
roots.• Granular fertilizers
require irrigation to
move those
fertilizers to the
root zone.
Application - Liquid InjectionApplication - Liquid Injection
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Tree Application PatternTree Application Pattern
• 3-foot centers
under tree canopy to dripline.
• Grid or circles• Avoid trunk and root
crown to minimize mechanical damage to trees or shrubs.
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Incorrect ApplicationIncorrect Application
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Injection• Apply 1/10 gallon per
injection• Two (2) feet between
injections.• 1 second per
injection
Shrub ApplicationShrub Application
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Shrub ApplicationShrub Application
Packets• Disperse contents
of packet around base of shrub or plant according to label instructions
• Water in.
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Arbor Green PRO SupportArbor Green PRO Support
• Product Information• Brochures• Product Sheets• MSDs• Labels
• Business Development Recommendations
• Trade Advertising• Trade Show Support• Website Information• Nationwide Field
Service Support• Distribution Solutions
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Backed by DaveyBacked by Davey
Arbor Green PRO was created, developed, and patented by scientists at The Davey
Institute who are committed to innovation and environmental stewardship.
Products like Arbor Green PRO are an example of the next generations tools being developed by Davey to nurture and protect trees and landscapes and enhance the overall value of properties and communities we live in.
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Thank youThank you
Thank You
For further information regarding
Arbor Green PRO
Contact:
David Fritz
952-217-3375
David.Fritz@davey .com