198 8～ 1989年对哥斯达黎加 8年生ｋａｕ和ｋａｋｅａ澳洲坚果品种进行调查 ,评价各种修剪措施如去叶、弯枝、控梢、环剥等对澳洲坚果树顶端优势和产量的影响。分别于澳洲坚果生长期的初、中、末期进行 3次试验。结果表明 ,与末期修剪相比 ,早期修剪有助于Ｋａｕ澳洲坚果树分 198 8 ~ 1989 The 8-year-old kau and kakea macadamia species in Costa Rica were surveyed to evaluate the effects of various pruning measures such as defoliation, curling, control tips and girdling on the superiority and yield of Macadamia. Three experiments were conducted in the early, middle and late stages of Macadamia. The results show that early pruning contributes to the Kau Macadamia tree compared to the end pruning