小麦春后要早抓五防巧家县红山乡农科站６５４６０６代泽良一、防渍害，“尺麦怕寸水。”开在后雨水多，如排水不良，土壤湿度过大，容易发生渍害，因此要及时清沟排水，除去沟内淤泥土块，使田内沟与田外沟杨通，有水能及时排出，行间撒草木灰，疏松土壤，增加土壤通透性... Wheat spring early to catch five anti-Qiaojia County Hongshan Township Agricultural Station 654606 Dai Ze-liang, a stain-resistant, “foot wheat fear inch of water.” After the opening of the rain, such as poor drainage, soil moisture is too large, easy The occurrence of stains, it is necessary to timely ditch drainage, remove the ditch silt block, so that the field ditch and the field outside the trench Yang Tong, water can be discharged in time, interspersed lines of ash, loose soil, increase soil permeability ...