Basalt – Finely Ground Volcanic Rock

Benefits of amending your soil with basalt rock dust include:

• Good source of iron.
• Contributes to the strengthening of cell walls.
• Increases root growth and plant yields.

• Carbon capture: Researchers are finding that when pulverized rock is applied to agricultural fields, the soil pulls far more carbon from the air and crop yields increase. More studies are underway, but some scientists say this method shows significant benefits for farmers and the climate, (Susan Cosier, 2021, https://e360.yale.edu/features/how-adding-rock-dust-to-soil-can-help-get-carbon-into-the-ground).

Directions for use. Apply only as directed (Cascade Minerals):

• Field crops: Use 1,000 to 4,000 pounds per acre.
• Compost: Mix 2 cups per cubic foot.
• Trees and Shrubs: Use 1 cup per 1 inch of trunk diameter. Spread evenly across the rooting area. Rake or lightly till minerals into soil if possible, and water in thoroughly.
• Vegetable Gardens and Flowers: Use 10 pounds per 100 square feet and till in at the time of planting. Use 5 pounds per 100 square feet as a top dress during the growing season. Lightly rake in and water thoroughly.
• Lawns: Top dress 10 pounds per 200 square feet of lawn. Use 5 pounds per 200 square feet of lawn after aeration. Water in thoroughly after application.
• Container plants: Use 1 cup per cubic foot of potting soil. For best results, mix with potting soil blends prior to planting. For surface application, use 1 tsp per every inch of pot diameter. Lightly stir into the top of the soil and water thoroughly.

Guaranteed Analysis (Source - Cascade Minerals 44 Pound Bag):

• Calcium (Ca)............................................................................1.0%
• Magnesium (Mg)......................................................................0.5%
  • 0.01% Water Soluble Magnesium (Mg)
• Iron (Fe)...................................................................................4.0%
• Manganese (Mn)......................................................................0.05%
  • 0.001%

Contents

• Basalt (OMRI Listed Cascade Minerals Brand).

If you are looking to order larger quantities, we have 44 pound bags of the original Cascade Minerals bags in stock most of the time. Come visit us at our store in Magnolia (Seattle) or contact us at orders@waltsorganic.com

*We do our best to provide you with useful, accurate information. That being said, we can make no guarantees. Much of what we have posted we believe to be common knowledge in the agricultural and horticultural worlds. In addition, we want to give credit where credit is due. Our resources page lists resources we commonly use and encourage you to use too.