KIS Organics

Basalt Rock Dust Soil Amendment

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  • Regular price $ 33.00
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Basalt Rock Dust for Soil Fertility

Cascade Minerals Basalt stimulates soil micro-organism activity and contributes to the building of humus complexes. It will neutralize pH, support your soil's fertility and increase phosphorus uptake. Benefits can include more nutritious fruits and vegetables and more vigorous plants.

Key things we want you to know

What it does: Stimulates soil microbes, builds humus and increases phosphorus uptake. It also neutralizes pH.

Rates: Compost: 2 cups per cubic foot. Vegetable gardens and flowers: 10 lb per 100 sq ft tilled in, then 5 lb as a top dress.

Trees and shrubs: 1 cup per inch of trunk diameter.

Good to know: 100% natural with no fillers. It is a good iron source and can also control odor on animal bedding.

Derived from basalt. Contains no fillers or additives, 100% natural. Basalt is a good source of iron and a natural source of calcium, magnesium and manganese, making it an excellent trace mineral source. It can also act as odor control when sprinkled on animal bedding.

Suggested Application

More information is available from Cascade Minerals (opens in new tab).

  • Compost: Mix 2 cups per cubic foot.
  • Trees & Shrubs: Use 1 cup per 1 inch of trunk diameter. Spread evenly across the rooting area, rake or lightly till into the soil if possible, and water in thoroughly.
  • Vegetable Gardens & Flowers: Use 10 lb per 100 sq ft and till in at planting. Use 5 lb per 100 sq ft as a top dress during the growing season, lightly raked in and watered thoroughly.
  • Container Plants: Use 1 cup per cubic foot of potting soil, mixed in before planting. For surface application, use 1 teaspoon per inch of pot diameter, stirred lightly into the top of the soil and watered thoroughly.

Guaranteed Analysis

  • Calcium (Ca): 1%
  • Magnesium (Mg): 0.5% (0.01% water soluble)
  • Iron (Fe): 4%
  • Manganese (Mn): 0.05% (0.001% water soluble)

Lab Reports & Resources


Customer Reviews

Based on 12 reviews
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K
Kasa

Came bagged and in good condition. Outside of the bag was a little wet but still good to use came sealed.

r
robert a
perfect

perfect, ground finely so that the nutrients were more available to the plants.

E
Euna

Received timely manner, hoping it will help here on my farm bushes, and plants, thank you!

J
Joshua

Solid shipping! When an almost 50lb bag of rock dust makes it from Washington to NY without spilling a grain you know your in good hands! Cascade minerals Basalt is top notch, and so is Kis organics!

T
Tim Long
It showed up

USPS tried to make life a little more interesting