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Granulated Agricultural Gypsum (Microna Prill)

$ 2300
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Reusing your soil? Get a soil test with analysis and add only the amendments your soil is actually missing. Learn about soil test analysis or take our quick quiz.

Granular agricultural gypsum (calcium sulfate, CaSO₄) that loosens heavy clay, improves drainage and root development, and supplies calcium and sulfur.

Key things we want you to know

  • Why granular: low dust for easy blending and precise application at reduced rates.
  • Fast acting: the micronized dihydrate dissolves quickly when watered.
  • Also: helps leach harmful salts.
  • Certified: CDFA and WSDA Organic Input Material.

Benefits & Features

Ingredients
  • Calcium (Ca): 21%
  • Sulfur (S): 17%
  • Calcium Sulfate Dihydrate (CaSO₄·2H₂O): 92%

Application & Mixing

Use as directed by a Logan Labs soil analysis.

  • Apply directly to the soil surface or into the seed furrow.
  • The consistent size of the round prill allows for convenient blending with other dry amendments and even coverage.
  • Accurate in variable-rate applications for commercial farms or home garden beds.
  • Can be applied anytime during the year. While it is best to spread and water thoroughly afterward, only small amounts of moisture are necessary to activate the product.
  • For building custom soil mixes, see our Water-Only Soil Recipe & Mixing Guide.

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