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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.

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Seabird Guano 12-12-2.5 (55 Lb)

F1924

1 Review

$49.99 As low as: $39.99
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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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Par 4 Kelp Meal 1-0-2
Par 4 Kelp Meal 1-0-2 (50 lb)

F1445

$79.99 As low as: $63.99
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Maxicrop Kelp Extract (44 lb Bag)
Maxicrop Kelp Extract (44 lb Bag)

F1366

$399.00 As low as: $319.20
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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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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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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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Diamond K Solution Grade Gypsum (50 Lb)

F1153

$8.99 As low as: $7.19
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Browse Peaceful Valley Organic Vegetable Seed Packs

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