随着柑桔种植时间的延长,桔树的营养性病害问题日益明显,尤其是山地桔树缺锌问题更为突出,影响了柑桔产量和品质,因此如何防止缺锌的发生,应引起广大桔农的重视。1.缺锌病的鉴别根据多年观察,柑桔缺锌病的发生有以下症状:(1)叶片:桔树缺锌时,新梢上的叶片主侧脉间显现黄色的斑点,然后逐渐形成肋状黄色斑块,使桔树叶绿 With the extension of citrus growing time, the nutritional diseases of orange trees are more and more obvious, especially the lack of zinc in mountain orange is more serious, which affects the yield and quality of citrus, so how to prevent the occurrence of zinc deficiency should arouse the majority Orange farmers attention. 1. Zinc deficiency identification According to many years of observation, the occurrence of zinc deficiency in citrus has the following symptoms: (1) leaves: zinc deficiency in orange trees, shoots on the main flank of the veins appear yellow spots, and then gradually formed Ribbed yellow patches, orange leaves green