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 = 50 grams
Apply at a rate of 75 grams (2.65 oz) per acre.
Spectrum PSB is designed for subsurface
application; however, it may be sprayed on ground surface if soil incorporation is done immediately. May be applied to the soil by aerial spraying, ground sprayer, shanked in with fertilizer liquids, by furrow or flood irrigation, hand lines or center pivot sprinkler systems, or sprinkler or drip irrigation.
To Avoid Plugging: Premix in water before adding to spray tank.
Contains Non-Plant Food Ingredients:
Live beneficial soil microbes of the following types and minimum numbers of colony forming units (CFUs) per gram: Arthrobacter globiformis 1X106; Azospirillum brasilense1X105, A. lipoferum 1X104; Azotobacter chroococcum 1X106, A. paspali 1X104, A. vinelandii 1X104; Bacillus amyloliquefaciens 1X105, B. atrophaeus 1X105, B. licheniformis 1X106, B. megaterium 1X107, B. pumilus 1X105, B. subtilis 1X106, B. thuringiensis 1X105; Brevibacillus brevis 1X105; Micrococcus luteus 1X106; Pseudomonas fluorescens 1X106, P. putida 1X106; Rhodopseudomonas palustris 1X104; Rhodospirillum rubrum 1X104; Streptomyces griseus 1X105.
99.99% Inert carrier ingredients.
National Organic Program Information
This product is suitable for use under NOP. Please check with your certifier before using.