Pre-plant disk-in or apply in seed furrow on fields that have pH 5.7 or lower followed by another foliar application of 20+ Micros (grains) or LegUp (legumes) 30 days after germination. Also apply at planting on Legume fields with pH 5.8 or higher if soil test results show low P & K levels.
Recommended application rate is 2.5 gallons per acre mixed with 20 or more gallons of water per acre. You can apply as many times per year as needed. Recommend largest size spray tips available - preferably #0 or #1 tips.