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Powdered Agricultural Gypsum (Terra Alba Calcium Sulfate)

5.0 out of 5 Read 11 reviews
$ 3200
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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.

Calcium and sulfur for soil structure

Powdered agricultural gypsum (calcium sulfate, CaSO₄) loosens heavy clay, improves drainage and root development, and supplies calcium and sulfur. Read the many advantages of gypsum (PDF, opens in new tab).

Key things we want you to know

  • Best for: heavy, waterlogged or sodic soils.
  • Why powdered: micronized Terra Alba (98% calcium sulfate dihydrate) works at lower rates than non-soluble gypsum, applied more often. Prefer granules? See Granulated Agricultural Gypsum.
  • Rates: 50 to 400 lb per acre, 1 to 10 lb per acre foliar, or use for fertigation.
  • Certified: WSDA Organic Input Material.

Ingredients

Terra Alba Gypsum, Micronized:

  • Calcium Sulfate Dihydrate (CaSO₄·2H₂O): 98%
  • Calcium (Ca): 22.5%
  • Sulfur (S): 17.6%

Derived from gypsum.

Application & Mixing

Use as directed by soil analysis.

  • Use at lower rates (50-400 lb/acre) than non-soluble gypsum, but more frequently.
  • For foliar use, apply 1-10 lb/acre.
  • Can be used for fertigation.

Lab Reports & Resources

Lab Reports & Resources

Related products

Prefer a granular form? See Granulated Agricultural Gypsum.

Reviews (11)

Customer Reviews

Based on 11 reviews
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K
Kasa

Came as mentioned sealed and no spills or waste..

T
Thomas Riche

KIS has always supplied great high quality products

W
William

Product arrived quick, undamaged and perfect condition. KIS always delivers with quality products, affordable and super fast shipping.

J
Jon T.
Will return

Great prices, great shipping and everything went smooth. Thank You!

A
Anonymous
Got what I needed quickly

As always quick shipping and packaged properly

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