SOFT ROCK PHOSPHATE Calphos 50#

OMRI listed for certified organic production. A powder, natural colloidal soft phosphate that contains 20% P2O5 and 20% calcium plus minor and trace minerals. May be able to suspend in water to apply as liquid. Supplies phosphorus which is needed by all plants for cell enlargement and division, photosynthesis, and respiration. Promotes early root formation and growth. Also encourages the growth of earthworms and soil bacteria that enrich and aerate the soil. Slow release so it will not leach away like chemically treated or synthetic phosphate. 2% phosphate immediately available. Apply 1-3 lbs. per 100 sq. ft. for gardens, 300-1,000 lbs. per acre for farm crops. NOP compliant, check with your certifier for use in organic production.