在春风大、降雨少、土壤墒情差,十年九旱的地区,遇到这种不利于春耕播种的自然条件,要做到一次播种保全苗,齐苗和壮苗,主要应采取以下措施: 一、抓住时机进行顶凌整地遇到春旱之年,要在早春进行耙、压、拖等整地作业。当土壤化冻到5厘米左右深度时,可用圆盘耙 In the spring breeze, less rainfall, soil moisture is poor, ten drought in nine areas encountered this is not conducive to spring planting the natural conditions, to achieve a seedling preservation, Qi Miao and strong seedlings, the main measures should be taken as follows: First, seize the opportunity Ling Ding site preparation spring encounter drought, rake, pressure, drag and other preparation work in early spring. When the soil is frozen to a depth of about 5 cm, disc harrows available