论文部分内容阅读
我国现有柑桔树中,“小老树”占相当比重,如四川现有2亿株左右的柑桔树中,“小老树”约占25％,广西柑桔的1/3为“小老树”,广东现有30％的柑桔“小老树”不能适龄投产,湖南、湖北等柑桔产区均有一定比例的柑桔。小老树”。“小老树”的改造利用,是我国柑桔业生产面临的一个重要问题。为此,根据笔者近几年对四川柑桔“小老树”改造利用的调查研究,谈谈柑桔“小老树”的成因及克服办法,供生产上参考。
Among the existing citrus trees in our country, the “small old tree” accounts for a considerable proportion. For example, among the existing 200 million citrus trees in Sichuan, “small old trees” account for about 25% and Guangxi citrus 1/3 “ Small old tree, ”Guangdong’s existing 30% of the citrus“ little old tree ”can not be put into production age, Hunan, Hubei and other citrus producing areas have a certain percentage of citrus. Small old tree. “” Small old tree “transformation and utilization, is China’s citrus industry is facing an important issue.To this end, according to the author in recent years, Sichuan citrus” Little Tree “transformation and utilization of research, Talking about the Cause of the ”Little Old Tree" of Citrus and the Way to Overcome it for Reference in Production.