近年来,温州市许多脐橙园出现冬季和早春异常落叶现象。如何管理这些异常落叶树,是当前生产上急需解决的问题。为此,我们于1995年在本所脐橙园进行本试验,现将结果汇报如下。 1 材料与方法 1.1 材料试材为1991年秋高接的8年生枳砧哈姆林中间砧清家、朋娜、白柳、纳维林娜脐橙高接树,土壤为湿土类重壤土,果园管理水平中等。 In recent years, many navel orange orchards in Wenzhou appear abnormal falling leaves in winter and early spring. How to manage these abnormal deciduous trees is an urgent problem to be solved in the current production. For this reason, we carried out this experiment in our navel orange park in 1995, and we report the result as follows. 1 materials and methods 1.1 material test material for the autumn 1991 high 8-year-old hollyland Hamlin intermediate stake Qing, Peng Na, white Willow Navelin Navel orange tree, the soil is wet soil heavy loam, medium orchard management level .