Soluphos SP® | Microbial Inoculant | JH Biotech Inc.

Size: 1 lb



Soluphos SP is a powder form microbial inoculant that increases phosphorus availability. Sustainable, non-hazordous, and organic Soluphos SP increases the availability of phosphorus in some cases by 40%. 


  • Increase phosphorus availability in soil 
  • Reduce phosphate fertilizer consumption by 20 – 50% 
  • Secrete growth-promoting substances to enhance the growth of plants 
  • Increase crop yield 
  • Provide protection against drought and some soil-borne diseases 
  • Improve nutritional value of crops 
  • Increase the number of flowers 
  • Sustainable, non-hazardous, and green product 

Package sizes: 

  • 1 lb 
  • lb 
  • 20 lb 


This product is only available to ship to the following states:

Alabama, Alaska, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Indiana, Iowa, Kentucky, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, and Wisconsin.


Use Soluphos® SP on all agricultural and ornamental crops. Soluphos® SP can be applied as seed coating, root dipping, bulk soil mix, or through irrigation systems. Caution: Soluphos® SP is not compatible with pesticides or herbicides. 


Mix 1 lb. (0.45 kg) of Soluphos® SP in 6 gal. (22.7 l) of water. Dip the root portion of seedling or setts required for an acre in the mixture before transplanting. 


Apply 1-2 lb./ac. (1.1-2.2 kg/ha) into irrigation system. May be mixed with fertilizers after checking compatibility. Repeat application every 30 days. 


Add 1-2 lb./ac. (1.1-2.2 kg/ ha) to enough water and apply as usual. Apply within 24 hours of mixing. May be mixed with fertilizers after checking compatibility. Add Soluphos® SP to at least 10 gal. (37.8 l) of water first before mixing with fertilizer. 


Mix 2 lb. of Soluphos® SP for every cubic yard of soil (1.2 kg/ cubic meter) or mix 1 part of Soluphos® SP with 500 parts of potting soil. DO NOT steam or sterilize the soil after mixing with Soluphos® SP. 


Mix 2 oz. (56 g) of Soluphos® SP with 2-5 gal. (7.6 - 19 l) of water and apply to the soil. Repeat application every 30 days. 

STORAGE Store in cool dry places. Avoid direct sunlight and heat. Keep from freezing. 

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