Inoculant contains 100 percent organic nitrogen-fixing rhizobia to promote stronger, healthier plants, increase yields and improve quality and richness of the soil. Use for legume plants such as beans and peas. Easy to use. Just mix with seeds before sowing. Increases bean crops by 20 to 50 percent. Small size pkt. treats up to 8 lbs. of seed. Large size treats up to 50 lbs. of seed.