伏季是高温、暴雨多发季节,正值越夏蔬菜生长和秋菜播种出苗的关键时期,时常因遭受暴雨袭击,造成蔬菜产量和品质大幅降低。如播种后还未出苗的蔬菜,遭受暴雨冲刷后,种芽有的裸露地表,有的被流水冲走,导致缺苗断垄;生长幼小的菜苗,经过暴雨冲刷,幼根暴露的土壤外,经太阳暴晒便出现 Summer is the high temperature, heavy rainy season, positive summer vegetables growing and autumn seeding emergence of a critical period, often due to torrential rains, resulting in significantly reduced yield and quality of vegetables. Such as sowing after the emergence of vegetables, suffered heavy rain erosion, some of the buds of the exposed surface, and some were washed away by water, resulting in lack of seedlings broken ridge; young seedling growth, after heavy rain erosion, young root exposed soil, After the sun exposure will appear