Liquid NPK Blends

ArborPlex® (14-4-5)

With Slow Release Nitrogen

ArborPlex is formulated with slow release nitrogen, high quality phosphorus and potassium as well as micronutrients to provide consistent, extended feeding for trees and shrubs. It is an ideal solution for improving tree and ornamental development and vigor without unwanted shoot growth.

  • Guaranteed Analysis

    Total Nitrogen (N)
    14.00%
    1.40% Ammoniacal Nitrogen
    0.95% Nitrate Nitrogen
    4.60% Urea Nitrogen
    7.05% Other Water Soluble Nitrogen*
    Available Phosphate (P2O5)
    4.00%
    Soluble Potash (K2O)
    5.00%
    Iron (Fe)
    0.10%
    0.10% Chelated Iron
    Manganese (Mn)
    0.05%
    0.05 Chelated Manganese
    Zinc (Zn)
    0.05%
    0.05% Chelated Zinc

    *ArborPlex (14-4-5) contains 7.05% slow release nitrogen (SRN) from urea-triazone solution.

  • Benefits

    • Consistent, extended feeding
    • Improved stress tolerance
    • Provides essential micronutrients
    • Improved vigor, especially in urban trees
    • Promotes both root and shoot growth
    • Enhances transplant survival
  • Labels & SDS

  • Sizes & Item Numbers

    1 Gallon Jug – # 57519
    2.5 Gallon Jug – # 57513
    30 Gallon Drum – # 57514
    275 Gallon Tote – # 57516

  • icon Long Description

    ArborPlex (14-4-5) is a liquid nutrient solution formulated with slow release nitrogen, high quality phosphorus and potassium as well as micronutrients. It is designed to promote optimum tree and shrub health.

    ArborPlex contains 7.05% slow release nitrogen (half of the total N), from a urea-triazone solution, which provides consistent, extended feeding. A high quality source of phosphorus improves it’s availability within the soil to enhance root development. Potassium is supplied as potassium hydroxide (KOH), providing higher solubility and low salt index. ArborPlex also contains fully chelated micronutrients to enhance color and relieve deficiency symptoms.

    ArborPlex (14-4-5) is the foundation of the Arbor Rx program – a Prescriptive Fertilization and Soil Enhancement Program designed to maximize tree and shrub health by combining plant nutrition with products to enhance soil quality, stimulate root growth and improve water availability. Learn more.

  • icon Problems Addressed

    • Nutrient deficiencies
    • Loss of vigor
    • Adverse growing conditions
    • Depleted soils
  • icon Literature

  • icon Application Instructions

    ArborPlex can be applied through soil drench, root injection or foliar feeding. It may be

    applied alone or tank mixed with other products. Shake well before using.

    Root Injection:

    Dilution Rate: Mix 1.25 gallons (160 oz.) of ArborPlex per 100-gallon tank. Apply 2-4 times

    per year or as needed.

    Operating pressure: 150 – 200 lbs PSI or ½ gal per 4 seconds

    Area Method:

    Trees: Apply 50 gallons of solution per 1,000 sq. ft. Inject 4-8 inches into the soil where the feeder roots typically occur. Begin injections 1-3 feet out from the trunk to avoid injury

    to large roots and work in a grid pattern away from the tree to within 2 feet of the drip

    line. Apply 1 pint (16 fl. oz.) of diluted solution per injection site at 18 inch spacing or ½

    gallon (64 fl. oz.) of diluted solution per injection site at 3 foot spacing.

    Shrubs: Apply 50 gallons of solution per 1,000 sq. ft. Inject one pint (16 fl. oz.) of diluted

    solution per injection site. Inject 4-6 inches into the soil with 18 inch spacing between

    injections.

    DBH Method: Use the chart below to determine the volume of diluted solution to apply per

    inch of trunk diameter at breast height (DBH).

    Tree Size (DBH Inch)  Diluted Solution / Inch DBH
    Very Small (1-4”) 0.5 gallon (64 fl. oz)
    Sm (5-7”)  1 gallon
    Sm – Med (8-11”) 1.5 gallons
    Medium (12-15”) 2 gallons
    Med – Lrg (15-19”) 2.5 gallons
    Large (20+”) 3 gallons

    Compatibility: perform a standard jar test to check compatibility with other products before mixing.

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