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

Soil Testing & Organic Fertilizer Recommendation Service
Amendments and Fertilizers

Don’t guess—test! You’ll learn your soil pH, organic matter percentage, levels of common minerals and nutrients, plus we’ll offer customized recommendations to correct or improve your soil read more

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Fertoz Organic Granulated Rock Phosphate Fertilizer
Mineral - Amendments and Fertilizers

Natural phosphorus source. Adequate phosphorus results in more vigorous early root formation, better flower and seed production, better growth in cold temperatures, and better water use efficiency. read more

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by Helen Atthowe, 384 pages, 8x10, softcover. If you’ve been following the various threads in “ecological” or “holistic” growing that have... read more

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