Arbor Green PRO - Inspired by Nature for Healthy Trees and Shrubs

1. Tree and Shrub Fertilizer Tree and Shrub Fertilizer Arbor Green PRO

2. Davey Arbor Green PRO Davey Arbor Green PRO The Davey Institute has The Davey Institute has researched the natural soil researched the natural soil conditions of the forest floor and recognizes the challenges of the urban conditions of the forest floor and recognizes the challenges of the urban forest soil. forest soil. Arbor Green PRO Arbor Green PRO mimics nutrient delivery as mimics nutrient delivery as seen in the natural forest seen in the natural forest environment. environment. Microbial release of nutrients Microbial release of nutrients 3-1-1 nutrient ratio 3-1-1 nutrient ratio Low salt index Low salt index Long term nutrient buildup Long term nutrient buildup Inspired by Nature

3. Davey Arbor Green PRO Davey Arbor Green PRO Why Fertilize? Why Fertilize? Forest Trees Forest Trees Recycle nutrients Recycle nutrients Build soil over time Build soil over time Urban Trees Urban Trees Little or no recycling Little or no recycling Disturbed soils & sub-soils Disturbed soils & sub-soils Turf competition Turf competition Limited natural nitrogen Limited natural nitrogen

4. Davey Arbor Green PRO Davey Arbor Green PRO Optimal Soil Nutrients will: Optimal Soil Nutrients will: Hasten maturity of young trees Hasten maturity of young trees Maintain health & vigor of trees Maintain health & vigor of trees Rescue declining trees Rescue declining trees Cure nutrient deficiencies Cure nutrient deficiencies

5. Arbor Green PRO Arbor Green PRO Developed by a tree company for use by tree companies Developed by a tree company for use by tree companies Patented formulation Patented formulation Backed by Davey Backed by Davey Key Benefits Key Benefits Superior performance Superior performance Use 25% less nitrogen Use 25% less nitrogen Lower cost application Lower cost application Davey Arbor Green PRO Davey Arbor Green PRO Tree Growth Comparison Trial on established trees Length of trial 3 years Untreated Treated

6. Patented Formulation Patented Formulation PPA Polyaspartate PPA Polyaspartate PPA amino acid improves PPA amino acid improves nutrient availability. nutrient availability. Compared to humates, PPA Compared to humates, PPA has 3 to 4 times as many has 3 to 4 times as many nutrient holding sites per nutrient holding sites per particle. particle. Result: Result: Less fertilizer needs to be applied. Less fertilizer needs to be applied. The lower application rate addresses environmental stewardship and lower cost.

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

8. Nitrogen Release Mimics Natural Organics Nitrogen Release Mimics Natural Organics Slow Release Nitrogen Slow Release Nitrogen Charts adapted from Nu-Gro. Charts adapted from Nu-Gro.

9. 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. 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 Nitrogen Slow Release Nitrogen Charts adapted from Nu-Gro. Charts adapted from Nu-Gro. AGP Compared to Other Slow Release Nitrogen

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

11. Building the Soil Building the Soil Nitrogen in Davey Arbor Green PRO will remain in the soil at a significantly Nitrogen in Davey Arbor Green PRO will remain in the soil at a significantly higher level than conventional fertilizers resulting in more uniform growth higher level than conventional fertilizers resulting in more uniform growth response and healthier plants. response and healthier plants. Percent of Soil Nitrogen Over 7 Years

12. Arbor Green PRO 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. 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 Index Low Salt Index Before Before After After A Low Salt Index Means Low Burn Poten tial

13. Arbor Green PRO 30-10-7 Arbor 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

14. 30-10-7 Product Specifications 30-10-7 Product Specifications Nitrogen Source Nitrogen Source Ureaform: poly-urea (carbon-based nitrogen) Ureaform: poly-urea (carbon-based nitrogen) Potassium and Phosphorus Source Potassium and Phosphorus Source Monopotassium phosphate (food grade) Monopotassium phosphate (food grade) Amino Acid Source Amino Acid Source Potassium Polyaspartate Potassium Polyaspartate Salt Index Salt Index Less than 10 Less than 10 Weight Weight 30 pound bag 30 pound bag

15. Arbor Green PRO 30-0-10 Non-Phos Arbor Green PRO 30-0-10 Non-Phos Non-Phosphorus Formulation Non-Phosphorus Formulation Meet regulatory environment conditions Meet regulatory environment conditions Especially for use near water Especially for use near water Use 25% less nitrogen Use 25% less nitrogen Long lasting Long lasting Low Salt Index (less than 10) Low Salt Index (less than 10) Non burning not only for use on normal trees but Non burning not only for use on normal trees but also newly planted, also newly planted, stressed, and declining stressed, and declining trees. Also for use on trees. Also for use on shrubs shrubs Low Leach Potential Low Leach Potential Cost Effective Cost Effective

16. 30-0-10 Product Specifications 30-0-10 Product Specifications Nitrogen Source Ureaform: poly-urea (carbon-based nitrogen) Potassium Source Potassium Sulfate Amino Acid Source Potassium Polyaspartate Salt Index Less than 10 Weight 30 pound bag

17. Arbor Green PRO 30-10-7 Packets Arbor Green PRO 30-10-7 Packets Use For: Use For: Fertilizing small caliper trees, shrubs and potted plants. Fertilizing small caliper trees, shrubs and potted plants. When planting small caliper trees, shrubs, potted and other landscape plants. When planting small caliper trees, shrubs, potted and other landscape plants. Easy-to-Use. No Mixing Easy-to-Use. No Mixing Tear open the packet and disperse directly in planting hole or directly on soil near the plants. Water in. Tear open the packet and disperse directly in planting hole or directly on soil near the plants. Water in. Easy to Measure Easy to Measure 1 dbh inch tree: 1 packet 1 dbh inch tree: 1 packet 2 dbh inch tree: 2 packets 2 dbh inch tree: 2 packets 3 dbh inch tree: 3 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.

18. Application Basics Application Basics Product Characteristics Product Characteristics Suspendable formulation Suspendable formulation Indefinite shelf life Indefinite shelf life Non-hazardous Non-hazardous Non-corrosive Non-corrosive Odorless Odorless Pathogen free Pathogen free Weight 30 lb. bags Weight 30 lb. bags Pallet 40 bags Pallet 40 bags Equipment Requirements Equipment Requirements Conventional spray equipment Conventional spray equipment Agitation Agitation Paddle agitation or Paddle agitation or Jet agitation with Venturi nozzles Jet agitation with Venturi nozzles Standard soil injection probe with 4 lateral ports on tip. Standard soil injection probe with 4 lateral ports on tip. FMSC 785 or other standard spray gun attached to injection probe. FMSC 785 or other standard spray gun attached to injection probe. 150 to 200 psi 150 to 200 psi

19. Tank Agitation Tank Agitation Spray tank should Spray tank should be equipped with be equipped with sufficient agitation sufficient agitation to maintain fertilizer to maintain fertilizer suspension. suspension. Mechanical paddle agitation is recommended.

20. Mixing Rate Mixing Rate One Year Rate One Year Rate Mix 15 lbs . (1/2 bag) of Davey Arbor Green PRO in 100 gallons of water. Mix 15 lbs . (1/2 bag) of Davey Arbor Green PRO in 100 gallons of water.

21. Mixing Procedure Mixing Procedure Fill the tank with water and engage the pump during fill-up. 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. Add fertilizer slowly, in 5 lb. increments, to the water to ensure proper suspension.

22. Re-suspend Re-suspend Use soil-probe to re- suspend the material. Use soil-probe to re- suspend the material. Avoid agitation paddles Avoid agitation paddles

23. Calibration Calibration With 300 ft of 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. With 300 ft of 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.

24. Calibration Calibration 1. Collect fertilizer solution 1. Collect fertilizer solution 2. Record time to collect gallon 2. Record time to collect gallon 3. This should be about 4 seconds. 3. This should be about 4 seconds. 4. Increase or decrease pressure to be near 4 sec. 4. Increase or decrease pressure to be near 4 sec.

25. Tree Application Tree Application 1. 50 gal. /1,000 sq. ft 1. 50 gal. /1,000 sq. ft 2. Under canopy 2. Under canopy 3. Apply one-half (1/2) gallon of suspension per injection. Approx. 4 seconds 3. Apply one-half (1/2) gallon of suspension per injection. Approx. 4 seconds 4. Space injections three (3) feet apart. 4. Space injections three (3) feet apart. 5. Inject to a depth of 4 to 12 inches. 5. Inject to a depth of 4 to 12 inches.

26. Application Liquid Injection Application 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.

27. Liquid injection Liquid injection places the fertilizer places the fertilizer in contact with in contact with roots. roots. Granular fertilizers Granular fertilizers require irrigation to require irrigation to move those move those fertilizers to the fertilizers to the root zone. root zone. Application - Liquid Injection Application - Liquid Injection

28. Tree Application Pattern Tree Application Pattern 3-foot centers 3-foot centers under tree canopy to dripline. under tree canopy to dripline. Grid or circles Grid or circles Avoid trunk and root crown to minimize mechanical damage to trees or shrubs. Avoid trunk and root crown to minimize mechanical damage to trees or shrubs.

29. Incorrect Application Incorrect Application

30. Injection Injection Apply 1/10 gallon per injection Apply 1/10 gallon per injection Two (2) feet between injections. Two (2) feet between injections. 1 second per injection 1 second per injection Shrub Application Shrub Application

31. Shrub Application Shrub Application Packets Packets Disperse contents of packet around base of shrub or plant according to label instructions Disperse contents of packet around base of shrub or plant according to label instructions Water in. Water in.

32. Arbor Green PRO Support Arbor Green PRO Support Product Information Product Information Brochures Brochures Product Sheets Product Sheets MSDs MSDs Labels Labels Business Development Recommendations Business Development Recommendations Trade Advertising Trade Advertising Trade Show Support Trade Show Support Website Information Website Information Nationwide Field Service Support Nationwide Field Service Support Distribution Solutions Distribution Solutions

33. Backed by Davey Backed by Davey Arbor Green PRO was created, developed, and patented by scientists at The Davey Institute who are committed to innovation and environmental stewardship. 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. 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.

34. Thank you Thank you Thank You Thank You For further information regarding For further information regarding Arbor Green PRO Arbor Green PRO Contact: Contact: David Fritz David Fritz 952-217-3375 952-217-3375 David.Fritz@davey .com David.Fritz@davey .com