近３年来，重庆合川市铜溪镇锣山村四、五社果农对山地甜橙采用环割促花保果措施，取得了一定成效。 环割对营养生长壮旺植株有促进花芽分化及保果的良好效果，但对老年树和生长势较弱的树，则不宜进行环割，以免引起衰退，造成开花多而结果少。对适宜进行环割的植株，处理后也 In the past three years, fruit growers in the four or five social groups of Gongsan Village, Tongxi Town, Hechuan Town, Chongqing Municipality have achieved some success by using ring cut and flower preservation measures on mountain sweet orange. Ring cutting on the vegetative growth of plants have the good effect of promoting flower bud differentiation and fruit preservation, but the growth of the elderly tree and the weaker the tree is not suitable for ring cutting, so as not to cause a recession, resulting in more flowering and less results. Suitable for ring cutting plants, after treatment also