近年来 ,在月柿生产中缺铁症时有发现。其主要症状是新梢叶片呈网状失绿 ,即叶脉绿色叶肉失绿变淡 ,叶脉清晰可见。严重时叶片变薄 ,果小 ,果色淡黄。由于无光合作用减弱 ,树势逐渐衰弱。1　引起月柿缺铁原因主要是 :1土壤碱性或石灰性 ,使土壤中铁呈难溶性 ;2土壤渍水 ,铁离子 In recent years, the production of persimmon in the persimmon found. The main symptom is that the shoots of the shoots are reticulate greenish, that is, the green leaves of the veins are discolored, the veins are clearly visible. Serious leaves thinning, fruit small, fruit color yellow. As the photosynthesis weakened, the tree gradually weakened. 1 cause the persimmon persimmon iron deficiency mainly because: 1 soil alkalinity or calcareous, making the soil iron is insoluble; 2 soil water, iron ions