You are viewing all Organic Growers Supply products related to “fertilizer.”

Amendments and Fertilizers

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Amendments and Fertilizers
Soil Testing & Organic Fertilizer Recommendation Service
8194 Don’t guess—test! Applying fertilizers and soil amendments without the guidance of a professional soil test is like driving downtown with your... read more

Minerals

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Mineral
Fertoz Organic Granulated Rock Phosphate Fertilizer
8250 (0-6-0, up to 25% total P, plus at least 30% Ca and 10% SiO2. Natural phosphorus source from mines in British Columbia, Montana, and Mexico. Apply... read more