搞好宿根蔗管理,提高宿根蔗单位面积产量,是我县在发展蔗糖生产中急需解决的一个重大课题。我们县糖办于一九七五年十月种植一块粤蔗七号,一九七六年九月作种苗收获,亩产甘蔗八点七吨。斩蔗后第八天对留下的老蔗头进行了破垄深松蔸,其中用五分二厘八毫搞了三个处理的对比试验:(1)破 To improve the management of peanut cane and increase the yield per unit area of ​​peanut cane is an important issue urgently needed to be solved by our county in the development of sucrose production. Our County Sugar Office planted a Cantonese Sugar 7 in October 1975 and a seedling harvest in September 1976, yielding 8.7 tons of sugarcane per mu. On the eighth day after the cut cane, the remaining old sugar cane was dug deep and loosened, of which three were used to make comparative experiments of three treatments: (1) broken