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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.

Sulfate of Potash Ultrafines - Diamond K Soluble (50 Lb)
Sulfate of Potash Ultrafines - Diamond K Soluble (50 Lb)

F2300

1 Review

$44.99 As low as: $35.99
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Alfalfa Meal (25 Lb Bag)
Alfalfa Meal (25 Lb Bag)

F033

$21.99 As low as: $17.59
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Compost Maker 4-4-2 (4 lb box)
Compost Maker 4-4-2 (4 lb box)

F280

$6.99 As low as: $6.29
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Nutra Min - Sierra Mountain Minerals (30 Lb Bag)
Nutra Min - Sierra Mountain Minerals (30 Lb Bag)

F1796

$64.99 As low as: $51.99
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Seabird Guano Hi P 1-10-0 (40 Lb Bag)
Seabird Guano Hi P 1-10-0 (40 Lb Bag)

F1939

$64.99 As low as: $51.99
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SuperMoss Sphagnum Moss 12 oz
SuperMoss Sphagnum Moss 12 oz

GP1590

1 Review

$10.99 As low as: $9.89
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Par 4 Kelp Meal 1-0-2
Par 4 Organic Kelp Meal 1-0-2 (50 lb)

F1445

$79.99 As low as: $63.99
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Organic Soybean Meal 7-2-1 (40 Lb Bag)
Organic Soybean Meal 7-2-1 (40 Lb Bag)

F1930

$69.99 As low as: $55.99
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Sure Start 4-6-2 (4 lb box)
Sure Start 4-6-2 (4 lb box)

F295

1 Review

$7.99 As low as: $7.19
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Biochar 1 cu ft
Biochar 1 cu ft

PSO550

(1)

$27.99
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All Purpose Plant Food 5-5-5 (15 lb bag)
All Purpose Plant Food 5-5-5 (15 lb bag)

F276

$19.99 As low as: $17.99
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PhytaBoost Turf Grade 7/1/2 (50 lb)
Organic PhytaBoost Turf Grade 7/1/2 (50 lb)

F368

$39.99 As low as: $31.99
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Bob's Best Compost 1 Cu Ft
Organic Bob's Best Compost 1 Cu Ft

F640

$8.99 As low as: $7.19
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Gardening In Clay Soil
Gardening In Clay Soil

BF1016

$3.99
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Soil Sulfur (5 lb box)
Soil Sulfur (5 lb box)

F290

(1)

$7.99 As low as: $7.19
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SPC TRK Biochar 1 yd Tote
Biochar 1 yd Tote

PSO555

$399.00
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Iron Sulfate 20 (50 Lb)
Iron Sulfate 20 (50 Lb)

F1250

$29.99
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Leafy Green 7/1/2 (50 Lb)
Organic Leafy Green 7/1/2 (50 Lb)

F367

$44.99 As low as: $35.99
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Bio-Live 5-4-2 (50 lb)
Organic Bio-Live 5-4-2 (50 lb)

F068

$71.99 As low as: $57.59
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Organic Alfalfa Meal (40 Lb)
Organic Alfalfa Meal (40 Lb)

F034

$28.99 As low as: $23.19
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Par 4 Kelp Meal 1-0-2
Par 4 Kelp Meal 1-0-2 (10 lb)

F1440

$19.99 As low as: $15.99
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FoxFarm Lucky Dog K9 Kube Growers Blend, 3.8 Cubic Feet
FoxFarm Lucky Dog K9 Kube Growers Blend, 3.8 Cubic Feet

PSO735

$31.99 As low as: $25.59
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Sure Start 4-6-2 (15 lb bag)
Sure Start 4-6-2 (15 lb bag)

F296

$19.99 As low as: $17.99
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Double Doody Compost 1 Cu Ft
Organic Double Doody Compost 1 Cu Ft

F645

$9.99 As low as: $7.99
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Seabird Guano Hi N 12-12-2 (5 Lb Box)
Organic Seabird Guano Hi N 12-12-2 (5 Lb Box)

F1932

$14.99 As low as: $13.49
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Azomite - Micronized (2 lb)
Azomite - Micronized (2 lb)

F039

$4.99 As low as: $3.99
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Langbeinite 0-0-22 (5 lb box)
Organic Langbeinite 0-0-22 (5 lb box)

F002

$9.99 As low as: $8.99
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Life All Purpose 5-5-5 (25 lb)
Life All Purpose 5-5-5 (25 lb)

F9006

$49.99 As low as: $39.99
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Vegetable & All Purpose Mix 4-6-2 (25 lb Bag)
Vegetable & All Purpose Mix 4-6-2 (25 lb Bag)

F065

$29.99 As low as: $23.99
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Bone Meal Cooked 3-15-0 (50 Lb)
Bone Meal Cooked 3-15-0 (50 Lb)

F155

$54.99 As low as: $43.99
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Dr. Earth Fruit Tree Fertilizer 7-4-2 (12 lb)
Dr. Earth Fruit Tree Fertilizer 7-4-2 (12 lb)

F9016

$24.99 As low as: $22.49
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Tomato & Vegetable Food 4-5-3 (4 lb box)
Tomato & Vegetable Food 4-5-3 (4 lb box)

F305

2 Reviews

$7.99 As low as: $7.19
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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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Dr. Earth Bud and Bloom Booster 4-10-7 (4 lb)
Dr. Earth Bud and Bloom Booster 4-10-7 (4 lb)

F9030

$10.99 As low as: $9.89
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Oyster Shell Lime (6 Lb Box)
Oyster Shell Lime (6 Lb Box)

F018

$7.49 As low as: $6.74
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Humax (5 Gallon)
Humax (5 Gallon)

PSA802

$59.99
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Blood Meal (5 Lb Box)
Blood Meal (5 Lb Box)

F013

$19.99 As low as: $17.99
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Dr. Earth Fruit Tree Fertilizer 7-4-2 (50 lb)
Dr. Earth Fruit Tree Fertilizer 7-4-2 (50 lb)

F9018

$79.99 As low as: $63.99
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Tiger 90 Soil Sulfur (50 Lbs)
Tiger 90 Soil Sulfur (50 Lbs)

F2210

$29.99 As low as: $23.99
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Dr. Earth Lawn Food (18 lb)
Dr. Earth Lawn Food (18 lb)

F9035

$34.99 As low as: $27.99
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Worm Castings (1 Gal)
Worm Castings (1 Gal)

F903

2 Reviews

$6.99
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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

(3)

$9.99 As low as: $8.99
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Azomite Micronized (44 lb)
Azomite Micronized (44 lb)

F040

1 Review

$24.99 As low as: $19.99
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Corn Weed Blocker 9-1-0 (5 Lb Box)
Corn Weed Blocker 9-1-0 (5 Lb Box)

F007

$10.99 As low as: $9.89
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PVFS Arctic Humus (2 quarts)
PVFS Arctic Humus (2 quarts)

ISA310

$4.99 As low as: $3.99
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Acid Mix (25 lb Bag)
Acid Mix (25 lb Bag)

F063

1 Review

$28.99 As low as: $23.19
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Dr. Earth Tomato Vegetable Herb 5-7-3 (12 lb)
Dr. Earth Tomato Vegetable Herb 5-7-3 (12 lb)

F9001

$24.99 As low as: $22.49
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Dr. Earth All Purpose 4-4-4 (12 lb)
Dr. Earth All Purpose 4-4-4 (12 lb)

F9011

$24.99 As low as: $22.49
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