US$ 118.99
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an essential nutrient for plant health due to its role in cell walls
no chemicals and no tricks—just pure worm castings
Contains biostimulants which increase plant yields and increase nutrient uptake (Michalak et al 2015)
Vansil W-20 Wollastonite (Ca₂O₄Si), 50 lbs Deals https://wwwWollastonite is a natural calcium silicate mineral. VANSIL wollastonite is sourced domestically and is not chemically treated. Because it is milled natural ore, elemental analysis can show natural minor variations. Research has shown plants supplemented with silicon have increased yields, even in prime growing conditions. Supplemental silicon strengthens plant cell walls and improves resistance to insects and disease. Silicon also stimulates plants
US$ 118.99
US$ 38.00
US$ 48.00
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US$ 47.99
US$ 33.48
US$ 20.99
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