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

North Country Organics® Bone Char
Animal based - Soil Amendments and Fertilizers

NPK: 0-16-0. Provides large amounts of readily available phosphorus. A most economical source of P for deficient soils. May be applied without restrictions to organically certified fields. read more

Loading...

Fertoz Organic Granulated Rock Phosphate Fertilizer
Mineral - Soil 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

Loading...

Phosphate, Tennessee Brown Rock
Mineral - Soil Amendments and Fertilizers

Recommended by soil gurus Phil Callahan and Mark Fulford. Lowest concentration of heavy metals of any phosphate source. Concentrations of available phosphate were regularly over 6% when tested. read more

Loading...