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Wollastonite, Calcium Silicate fertilizer

Vanderbilt Minerals, VANSIL W10 wollastonite.

Natural calcium silicate, mined mineral. OMRI approved fertilizer and limestone alternative.

Not a Steel slag by-product

Click here for a comparison of fertilizer sources for soluble silicon (plant available silicon) content.

Wollastonite was the most effective amendment at increasing Silicon uptake and for suppressing powdery mildew disease in a greenhouse experiment conducted with Cucurbita pepo L. “Howden” pumpkin to compare the effectiveness of various soil amendments for providing Si nutrition, improving soil fertility, and suppressing powdery mildew (Podosphaera xanthii).


Wollastonite natural calcium silicate, 1 pound bag

Wollastonite natural calcium silicate, 1 pound bag

 Wollastonite Natural Calcium Silicate   Use as an alternative to lime and to provide Plant Available Silicon and Calcium in your...

$2.20

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Wollastonite natural calcium silicate fertilizer 4 pound bag

Wollastonite natural calcium silicate fertilizer 4 pound bag

Wollastonite. 4 pound bag Natural Calcium Silicate fertilizer   Use as an alternative to lime and to provide Plant Available Silicon and...

$3.56

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Wollastonite natural calcium silicate, 20 pound bag

Wollastonite natural calcium silicate, 20 pound bag

Wollastonite Natural Calcium Silicate   Use as an alternative to lime and to provide Plant Available Silicon and Calcium in your soilless...

$9.92

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VANSIL W10 Wollastonite, 50 pound bag

VANSIL W10 Wollastonite, 50 pound bag

Vanderbilt Minerals VANSIL W10 Wollastonite Natural Calcium Silicate Fertilizer, OMRI Organic Approved   Use as an alternative to lime and to...

$15.50

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