Effect of EM agent on alfalfa growth

The EM agent was applied through sprinkle irrigation to alfalfa on Rongchang Breeding Farm of Gulang County. The result showed that the EM diluent could cause ahead of the stages of bud and florescence in alfalfa, promote the growth and increase the yield. The height, yield and economic efficiency of alfalfa among different treatment groups were as follows: leaf spraying irrigation control. The economic efficiency of the leaf spraying and irrigation could increased by 825 yuan/hm2 and 300 yuan/hm2 respectively compared to control.