小麦生长的中期和后期,用草木灰浸液进行叶面喷施,一般可增产10％左右,有些高产地块可增产20％以上。而且提高抗干热风的能力。施用方法:将未经雨淋的草木灰除去杂物后,放在水中浸泡12—24小时,滤净即可喷用。单喷草木灰,一般田块每亩喷10％左右浓度的过滤液40—50公 Mid and late wheat growth, foliar spray with grass ash immersion, the general increase of about 10% yield, some high-yield plots can increase yield of more than 20%. And improve the ability to resist dry hot air. Application method: Remove the sundries without rain and after soaking in water for 12-24 hours, filter the net to spray. Single spray wood ash, the general plots sprayed about 10% of the concentration of the filtrate 40-50 public