To spray 15% MET 200g added 200kg water per mu could inhibit the height of seedlings, increase the tiller number per plant. The tillering and heading could be shift to an earlier time. The width of leaves and stems were increased respectively.

• 在杂交中稻幼苗期,每亩用15%25的多效唑可湿性粉剂200g兑水100kg喷施,能显著地矮化苗高,增加单株分蘖数,并提早分蘖成穗,叶宽、茎宽也相应增加,从而增强秧苗素质,以作为增穗增产的基础。