Tree and Shrub FertilizerTree and Shrub Fertilizer

Arbor Green® PRO

Davey Arbor Green® PRODavey Arbor Green® PRO

The Davey Institute hasThe Davey Institute has

researched the natural soilresearched the natural soil

conditions of the forest conditions of the forest floor and recognizes the floor and recognizes the challenges of the urbanchallenges of the urban

forest soil. forest soil.

Arbor Green PROArbor Green PRO

mimics nutrient delivery asmimics nutrient delivery as

seen in the natural forestseen in the natural forest

environment.environment.

• Microbial release of Microbial release of nutrientsnutrients

• 3-1-1 nutrient ratio3-1-1 nutrient ratio

• Low salt indexLow salt index

• Long term nutrient buildupLong term nutrient buildup

Inspired by Nature

Davey Arbor Green® PRODavey Arbor Green® PRO

Why Fertilize?Why Fertilize?• Forest Trees Forest Trees

• Recycle Recycle nutrients nutrients

• Build soil over Build soil over timetime

• Urban TreesUrban Trees• Little or no Little or no

recyclingrecycling

• Disturbed soils & Disturbed soils & sub-soilssub-soils

• Turf competitionTurf competition

• Limited natural Limited natural nitrogennitrogen

Davey Arbor Green® PRODavey Arbor Green® PRO

• Optimal Soil Nutrients will:Optimal Soil Nutrients will:

• Hasten maturity of young treesHasten maturity of young trees

• Maintain health & vigor of treesMaintain health & vigor of trees

• Rescue declining treesRescue declining trees

• Cure nutrient deficienciesCure nutrient deficiencies

Arbor Green PROArbor Green PRO• Developed by a tree company for use by tree companiesDeveloped by a tree company for use by tree companies

• Patented formulationPatented formulation

• Backed by DaveyBacked by Davey

Key BenefitsKey Benefits• Superior Superior

performanceperformance

• Use 25% less Use 25% less nitrogennitrogen

• Lower cost Lower cost applicationapplication

Davey Arbor Green® PRODavey Arbor Green® PRO

Tree Growth Comparison Trial on established treesLength of trial – 3 years

Untreated Treated

Patented FormulationPatented Formulation

PPA – PolyaspartatePPA – PolyaspartatePPA amino acid improvesPPA amino acid improves

nutrient availability.nutrient availability.

• Compared to humates, PPACompared to humates, PPA

has 3 to 4 times as manyhas 3 to 4 times as many

nutrient holding sites pernutrient holding sites per

particle.particle.

Result: Result:

Less fertilizer needs to be Less fertilizer needs to be applied. applied.

The lower application rate addresses environmental stewardship and lower cost.

Slow Release NitrogenSlow Release Nitrogen

Davey Arbor Green Davey Arbor Green PRO nitrogen PRO nitrogen source contains source contains 66% water 66% water insoluble nitrogen insoluble nitrogen (WIN), which (WIN), which provides uniform provides uniform slow release rate. slow release rate.

Nitrogen Release Mimics Natural OrganicsNitrogen Release Mimics Natural Organics

Slow Release NitrogenSlow Release Nitrogen

Charts adapted from Nu-Gro.Charts adapted from Nu-Gro.

Excess soluble nitrogen can over-stimulate vegetative growth possibly Excess soluble nitrogen can over-stimulate vegetative growth possibly upsetting root to shoot balance. Succulent new cell growth may have weak cell 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 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 nutrients used by the plant to produce natural plant defenses used to protect against insects and disease.against insects and disease.

Slow Release NitrogenSlow Release Nitrogen

Charts adapted from Nu-Gro.Charts adapted from Nu-Gro.

AGP Compared to Other Slow Release Nitrogen

1. Microorganisms 1. Microorganisms utilize the carbon in utilize the carbon in ureaform and release ureaform and release the nitrogen for the the nitrogen for the plant.plant.2. Because this is a 2. Because this is a biological process, it biological process, it slows in cool and/or slows in cool and/or dry soils.dry soils.3. The biological 3. The biological release rate reduces release rate reduces nitrogen leaching.nitrogen leaching.

Microbial BreakdownMicrobial Breakdown

Building the SoilBuilding the Soil

Nitrogen in Davey Arbor Green PRO will remain in the soil at a significantlyNitrogen in Davey Arbor Green PRO will remain in the soil at a significantly

higher level than conventional fertilizers resulting in more uniform growthhigher level than conventional fertilizers resulting in more uniform growth

response and healthier plants. response and healthier plants.

Percent of Soil Nitrogen Over 7 Years

Arbor Green Arbor Green PRO PRO

is ideal to use on is ideal to use on sensitive, newly sensitive, newly

planted, drought-planted, drought-stressed, or stressed, or

trees in decline. trees in decline. The AGP salt The AGP salt index is 10 or index is 10 or

less compared less compared with other with other

products at 15 to products at 15 to 120.120.

Low Salt IndexLow Salt Index

BeforeBefore AfterAfter

A Low Salt Index Means Low Burn Potential

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

30-10-7 Product Specifications      30-10-7 Product Specifications     

• Nitrogen SourceNitrogen Source

• Ureaform: poly-urea (carbon-based nitrogen)Ureaform: poly-urea (carbon-based nitrogen)

• Potassium and Phosphorus SourcePotassium and Phosphorus Source

• Monopotassium phosphate (food grade)Monopotassium phosphate (food grade)

• Amino Acid SourceAmino Acid Source

• Potassium PolyaspartatePotassium Polyaspartate

• Salt IndexSalt Index

• Less than 10Less than 10

• WeightWeight

• 30 pound bag 30 pound bag

Arbor Green PRO 30-0-10 Non-PhosArbor Green PRO 30-0-10 Non-Phos

Non-Phosphorus Non-Phosphorus FormulationFormulation

• Meet regulatory environment Meet regulatory environment conditionsconditions

• Especially for use near waterEspecially for use near water

• Use 25% less nitrogenUse 25% less nitrogen

• Long lastingLong lasting

• Low Salt Index (less than 10)Low Salt Index (less than 10)

• Non burning – not only for Non burning – not only for use on normal trees butuse on normal trees but

• also newly planted,also newly planted,

• stressed, and decliningstressed, and declining

• trees. Also for use ontrees. Also for use on

• shrubsshrubs

• Low Leach PotentialLow Leach Potential

• Cost EffectiveCost Effective

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

Arbor Green PRO 30-10-7 PacketsArbor Green PRO 30-10-7 Packets

• Use For:Use For:• Fertilizing small caliper Fertilizing small caliper

trees, shrubs and potted trees, shrubs and potted plants.plants.

• When planting small caliper When planting small caliper trees, shrubs, potted and trees, shrubs, potted and other landscape plants.other landscape plants.

• Easy-to-Use. No MixingEasy-to-Use. No Mixing• Tear open the packet and Tear open the packet and

disperse directly in planting disperse directly in planting hole or directly on soil near hole or directly on soil near the plants. Water in. the plants. Water in.

• Easy to MeasureEasy to Measure• 1 dbh inch tree: 1 packet1 dbh inch tree: 1 packet

• 2 dbh inch tree: 2 packets2 dbh inch tree: 2 packets

• 3 dbh inch tree: 3 packets3 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.

Application BasicsApplication Basics

Product CharacteristicsProduct Characteristics• Suspendable formulationSuspendable formulation

• Indefinite shelf lifeIndefinite shelf life

• Non-hazardousNon-hazardous

• Non-corrosiveNon-corrosive

• OdorlessOdorless

• Pathogen freePathogen free

• Weight – 30 lb. bagsWeight – 30 lb. bags

• Pallet – 40 bagsPallet – 40 bags

Equipment RequirementsEquipment Requirements• Conventional spray equipmentConventional spray equipment

• AgitationAgitation

• Paddle agitation orPaddle agitation or

• Jet agitation with Venturi Jet agitation with Venturi nozzlesnozzles

• Standard soil injection probe Standard soil injection probe with 4 lateral ports on tip. with 4 lateral ports on tip.

• FMSC 785 or other FMSC 785 or other standard spray gun standard spray gun attached to injection attached to injection probe.probe.

• 150 to 200 psi150 to 200 psi

Tank AgitationTank Agitation

• Spray tank shouldSpray tank should

be equipped withbe equipped with

sufficient agitationsufficient agitation

to maintain fertilizerto maintain fertilizer

suspension. suspension.

• Mechanical paddle agitation is recommended. 

Mixing RateMixing Rate

One Year RateOne Year Rate

Mix Mix 15 lbs15 lbs. (1/2 . (1/2 bag) of Davey bag) of Davey Arbor Green Arbor Green PRO in 100 PRO in 100 gallons of water.gallons of water.

Mixing ProcedureMixing Procedure

Fill the tank with water Fill the tank with water and engage the pump and engage the pump during fill-up. during fill-up. 

Add fertilizer slowly, in Add fertilizer slowly, in 5 lb. increments, to the 5 lb. increments, to the water to ensure proper water to ensure proper suspension.suspension.

Re-suspendRe-suspend

Use soil-probe to re-Use soil-probe to re-suspend the material.  suspend the material. 

Avoid agitation Avoid agitation paddles paddles

CalibrationCalibration

With 300 ft of ¾ inch diameter hose, there is a pressure With 300 ft of ¾ inch diameter hose, there is a pressure loss of approximately 5 psi per 50 ft of hose, so the loss of approximately 5 psi per 50 ft of hose, so the pump pressure should be set at a minimum of 150 psi. pump pressure should be set at a minimum of 150 psi. 

CalibrationCalibration

1. Collect fertilizer 1. Collect fertilizer solutionsolution

2. Record time to 2. Record time to collect ½ galloncollect ½ gallon

3. This should be 3. This should be about 4 seconds.about 4 seconds.

4. Increase or 4. Increase or decrease pressure decrease pressure to be near 4 sec.to be near 4 sec.

Tree ApplicationTree Application

1. 50 gal. /1,000 sq. ft1. 50 gal. /1,000 sq. ft

2. Under canopy 2. Under canopy

3. Apply one-half (1/2) 3. Apply one-half (1/2) gallon of suspension gallon of suspension per injection. per injection. Approx. 4 secondsApprox. 4 seconds

4. Space injections 4. Space injections three (3) feet apart.three (3) feet apart.

5. Inject to a depth of 4 5. Inject to a depth of 4 to 12 inches. to 12 inches.

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.

• Liquid injectionLiquid injection

places the fertilizerplaces the fertilizer

in contact within contact with

roots.roots.

• Granular fertilizersGranular fertilizers

require irrigation torequire irrigation to

move thosemove those

fertilizers to thefertilizers to the

root zone. root zone.

Application - Liquid InjectionApplication - Liquid Injection

Tree Application PatternTree Application Pattern

• 3-foot centers3-foot centers

under tree canopy to under tree canopy to dripline.dripline.

• Grid or circlesGrid or circles

• Avoid trunk and root Avoid trunk and root crown to minimize crown to minimize mechanical damage mechanical damage to trees or shrubs.to trees or shrubs.

Incorrect ApplicationIncorrect Application

InjectionInjection• Apply 1/10 gallon per Apply 1/10 gallon per

injectioninjection

• Two (2) feet between Two (2) feet between injections.injections.

• 1 second per 1 second per injectioninjection

Shrub ApplicationShrub Application

Shrub ApplicationShrub Application

PacketsPackets

• Disperse contents Disperse contents of packet around of packet around base of shrub or base of shrub or plant according to plant according to label instructionslabel instructions

• Water in.Water in.

Arbor Green PRO SupportArbor Green PRO Support

• Product InformationProduct Information• BrochuresBrochures

• Product SheetsProduct Sheets

• MSDsMSDs

• LabelsLabels

• Business Development Business Development RecommendationsRecommendations

• Trade AdvertisingTrade Advertising

• Trade Show SupportTrade Show Support

• Website InformationWebsite Information

• Nationwide Field Nationwide Field Service SupportService Support

• Distribution SolutionsDistribution Solutions

Backed by DaveyBacked by Davey

Arbor Green PRO was created, developed, Arbor Green PRO was created, developed, and patented by scientists at The Davey and patented by scientists at The Davey

Institute who are committed to innovation Institute who are committed to innovation and environmental stewardship. and environmental stewardship.

Products like Arbor Green PRO are an example of the next Products like Arbor Green PRO are an example of the next generations tools being developed by Davey to nurture and protect generations tools being developed by Davey to nurture and protect trees and landscapes and enhance the overall value of properties trees and landscapes and enhance the overall value of properties and communities we live in. and communities we live in.

Thank youThank you

Thank YouThank You

For further information regarding For further information regarding

Arbor Green PROArbor Green PRO

Contact:Contact:

David FritzDavid Fritz

952-217-3375952-217-3375

David.Fritz@davey .com David.Fritz@davey .com