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Soil Amendments complement fertilizers and bio-stimulants by adding "micro-nutrients" or products that improve the structure, moisture-holding, capacity, drainage, or other benefits.

Some of the Micro-Nutrient Products We Carry Include:

  • Azomite

  • Texas Greensand

  • Minerals Plus

  • Bone Meal

Other Soil Amendments We Carry Include:

  • Organic Compost

  • Decomposed Granite

  • Expanded Shale

  • Lava Sand

  • Dry Molasses

  • Humates or Humic Acid

Marshall Grain is your place for organic gardening products, plants, and More!