root stimulate: promote root growth Main ingredient:N2O:4%,P2O5:2%, K2O:6%, organic matter>100g/L, B:1%, Root stimulate:150ppmApplication method:1.Foliar spray:dilute with water of 800-1000times, spray at interval of 7-15days,3-5times for one growing period,Dosage:2-3.5L/ha. 2.irrigate root: dilution of 500-800times and irrigate root for 2-3times in whole growing period. dip root after dilution ...