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Fertilizers & Amendments

Soil health is vital to what you grow or treat, and organic fertilizers provide a much wider array of nutrients plus organic matter than standard N-P-K only fertilizers, to build healthier soil, stimulate biology and increase health, yields and aesthetics.

42 Results

Worm Power Liquid Extract Organic Worm Castings
Worm Power Liquid 55 Gallon Drum

Worm Power Liquid Extract

Worm Power

from $30.50

Unit price
per 

Organic Approach Encourage 11-0-4 Organic Amino Acids

Encourage 11-0-4 Water-Soluble Fertilizer

GrowItNaturally.com

from $26.00

Unit price
per 

Humate Powder (Soluble) TeraVita SP-90 Organic Fertilizer Organic Approach

Humate Powder (Soluble) TeraVita SP-90

Organic Approach

from $26.75

Unit price
per 

Nectar For The Gods Zeus Juice Nectar for the Gods

Nectar For The Gods Zeus Juice

Nectar for the Gods

from $24.50

Unit price
per 

Verdanta PL-2 2-0-6 Liquid Organic Fertilizer
Free Shipping (Excludes 2.5 Gallon)

Verdanta PL-2 (2-0-6)

GrowItNaturally.com

from $48.00

Unit price
per 

Blood Meal Organic Fertilizer
Free Shipping

Blood Meal Powder 12-0-0

GrowItNaturally.com

$32.00

Unit price
per 

Mammoth Silica GrowItNaturally.com
Mammoth Silica GrowItNaturally.com

Mammoth Silica

GrowItNaturally.com

from $47.25

Unit price
per 

Mammoth Myco GrowItNaturally.com
Mammoth Myco GrowItNaturally.com

Mammoth Myco

GrowItNaturally.com

from $38.50

Unit price
per 

Neptune's Harvest Crab & Lobster Shell Flour (8-2.5-0.5) Organic Fertilizer Neptune's Harvest

Neptune's Harvest Crab & Lobster Shell Flour (8-2.5-0.5)

Neptune's Harvest

$75.25

Unit price
per 

BioWorks ON-Gard 5-0-0 BioWorks

BioWorks ON-Gard 5-0-0

BioWorks

$465.25

Unit price
per