Spectrum PSB™ is a phosphorus-solubilizing biological product for establishing populations of beneficial soil microbes.
Spectrum PSB™ is approved for use on certified organic crops and is listed by OMRI.
1 acre = 75 grams
Spectrum PSB™ is a phosphorus-solubilizing biological product for establishing populations of beneficial soil microbes.
Spectrum PSB™ is approved for use on certified organic crops and is listed by OMRI.
1 acre = 75 grams