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Soil Amendments

About soil amendments

Whether you need to add organic matter, add nutrients, or balance your soil pH, we have the organic soil amendments you need.

Cottonseed Meal (6 Lb Box)
Cottonseed Meal (6 Lb Box)

F023

$9.99 As low as: $8.99
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Bat Guano Hi N 9-3-1 (2 Lb Box)
Bat Guano Hi N 9-3-1 (2 Lb Box)

F012

$7.99 As low as: $7.19
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Organic Soybean Meal 7-2-1 (5 Lb Box)
Organic Soybean Meal 7-2-1 (5 Lb Box)

F019

$11.99 As low as: $10.79
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Nutra Min - Sierra Mountain Minerals (30 Lb Bag)
Nutra Min - Sierra Mountain Minerals (30 Lb Bag)

F1796

$59.99 As low as: $47.99
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Calphos Soft Rock Phosphate - Regular Powder (50 lb)
Calphos Soft Rock Phosphate - Regular Powder (50 lb)

F2101

$18.99 As low as: $14.24
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Sunleaves Jamaican Bat Guano 40 Lb 0/10/0
Sunleaves Jamaican Bat Guano 40 Lb 0/10/0

F1913

$119.00 As low as: $107.10
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Sunleaves Indonesian Bat Guano 44 Lb 0/7/0
Sunleaves Indonesian Bat Guano 44 Lb 0/7/0

F1912

$109.00 As low as: $98.10
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Iron Sulfate 20 (50 Lb)
Iron Sulfate 20 (50 Lb)

F1250

$27.99
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Feather Meal (25 lb)
Feather Meal (25 lb)

F935

$34.99
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Sunleaves Peruvian Seabird Guano 40 Lb 12/11/2
Sunleaves Peruvian Seabird Guano 40 Lb 12/11/2

F1914

$94.99 As low as: $85.49
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Diatomite Rock (25 Lb Bag)
Diatomite Rock (25 Lb Bag)

F032

$22.99 As low as: $18.39
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Dolomite (50 Lb)
Dolomite (50 Lb)

F850

$9.99 As low as: $7.99
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Feather Meal (50 Lb)

F940

$49.99 As low as: $39.99
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Activate 80 Coarse Grade Humate (50 Lb)
Activate 80 Coarse Grade Humate (50 Lb)

F535

$24.99 As low as: $19.99
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Activate 80 Micronized Humate (30 Lb)
Activate 80 Micronized Humate (30 Lb)

F531

$89.99 As low as: $71.99
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Corn Gluten Meal (65 Lb)
Corn Gluten Meal (65 Lb)

F750

$69.99 As low as: $55.99
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VermiBlend (1 Cu Ft)
VermiBlend (1 Cu Ft)

F910

$14.99 As low as: $11.99
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Kelp Meal (5 Lb Box)
Kelp Meal (5 Lb Box)

F017

$14.99 As low as: $13.49
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Oyster Shell Lime (6 Lb Box)

F018

$7.49 As low as: $6.74
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Oyster Shell Lime (50 Lb)
Oyster Shell Lime (50 Lb)

F1850

$9.99 As low as: $7.99
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Monterey Manganese Sulfate 31% Powder (50 Lb)
Monterey Manganese Sulfate 31% Powder (50 Lb)

F1676

$49.99 As low as: $39.99
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Gaia Green Glacial Rock Dust (50 lb)

F045

$29.99 As low as: $23.99
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Humic Acids, Granular (5 Lb Box)

F024

$7.49 As low as: $6.74
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Tiger 90 Soil Sulfur (50 Lbs)
Tiger 90 Soil Sulfur (50 Lbs)

F2210

$27.99 As low as: $22.39
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Humax (5 Gallon)
Humax (5 Gallon)

PSA802

$59.99
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Humax (Gallon)
Humax (Gallon)

PSA800

$14.99
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Pre-Plant Plus 7-5-7 (50 Lb)
Pre-Plant Plus 7-5-7 (50 Lb)

F324

$39.99 As low as: $31.99
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Rose, Flower & Bulb Mix 4-8-4 (6 Lb Box)
Rose, Flower & Bulb Mix 4-8-4 (6 Lb Box)

F015

$9.99 As low as: $8.99
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Diamond K Solution Grade Gypsum (50 Lb)

F1153

$8.99 As low as: $7.19
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Organic Alfalfa Meal (40 Lb)
Organic Alfalfa Meal (40 Lb)

F034

$27.99 As low as: $22.39
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