有些菜农喜欢把冬天刨的尿冰、生人粪尿冻块铺到韭菜地里,以为这样既可保护韭菜安全越冬,又起到施肥作用。其实,这样做是很不科学的。因为尿冰和生人粪尿冻块直接铺在地上,经风吹日晒,很多肥分挥发,水分也蒸发没了,最后地里剩的只是一些对韭菜无用而对土壤有害的碱类,即使剩下一些养分也是极少的。生人粪尿冻块经一冬春的风吹日晒,水分养分基本跑 Some vegetable farmers like to winter ice urinal planing, raw man feces frozen block shop in leeks, think it can protect the safety of chives overwintering, but also play a fertilizing role. In fact, this is very unscientific. Because of urinary ice and living human urine frozen block directly on the ground, the wind and the sun, a lot of fat volatile, no evaporation of the water, and finally left in the ground is only useless on the leek and harmful to the soil alkali, Even with some nutrients is minimal. Health and manure urine block by a winter wind and sun, water and nutrients basic run