一、肥害的种类及原因1、肥水型由于一次施用化肥过多，或土壤水分较少，施肥后，土壤内肥料溶液浓度大，引起作物细胞内水分反渗透，造成作物脱水，作物出现蔫美。轻者影响生长发育，重者造成死亡。2‘烧伤有些化肥，例如氨水、碳铁等，在气温较高的情况下施用，容易产生大量 First, the types and causes of fat damage 1, fertilizer type As a result of excessive application of fertilizers, or less soil moisture, fertilization, the soil fertilizer solution concentration, causing crop water reverse osmosis, resulting in crop dehydration, crop 蔫nice. Light affect growth and development, severe cases cause death. 2 ’burn Some fertilizers, such as ammonia, carbon and iron, etc., in the case of higher temperatures, easy to produce large