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Compost Application Rates

The following are the application rates for typical uses of SAWS compost to achieve fertilizer benefits and soil improvement:

 

Use Amount of Compost
Lbs. per 1000 sq.ft.
(depth in inches)
Instructions

TURFGRASSES

Establishment of soil incorporation 2000 – 6000
(1/2″ – 2″)
Mix with top 4″ – 6″ of soil.
Use lower rate on relative fertile soil, higher rate on infertile soil.
Surface Mulch 600 – 7000
(1/4″ – 2 1/4″)
Spread uniformly on surface:
(a) before seeding small-seed species (Bermuda); or
(b) after seeding large seed species (fescues)
Maintenance 400 – 800
(1/10″ – 1/4″)
Spread uniformly on surface.
On cool season grasses, either apply high rate in fall or lower rate in fall and again early in spring.

NURSERY CROP & ORNAMENTALS
(Shrubs and Trees)

Establishment of Plants 1900 – 7000
(1/2″ – 2 1/4″)
Mix with top 6″ – 8″ of soil.
Do not use where acid-soil plants (azalea, rhododendron, etc) are to be grown.
Maintenance 200 – 500
(1/10″ – 1/5″)
Spread uniformly on soil.
Can be worked into soil or used as mulch
Tree balling

Use at 50% rate

Mixed based on compost with bark or soil.
Potting soil mixes No more than 1/3 by volume Thoroughly water and drain mixes several times before planting to prevent salt injury to plants.
Blending materials: peat, sand, vermiculite, perlite and bark.