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李云震同志所写的「甘薯栽培简述」很切合实际。值得推广的有:1.关于麦茬苗在剪插前,先在采苗的春薯母株上行摘心工作,这是很好的办法。2.薯苗从炕上剪下后,剪除白根,也是应该推广的,白根不但不结薯,还可能传带线虫病及其它病菌。3.在田间管理一节内所述「在中伏内,每棵蔓茎在紧靠『土面上』的一蓬根,必须用手指把它碰断,使入土那节上的根,才能多生薯块」和苏北邳睢县杨庆贵山芋丰产栽培经验内所举出的意义相同,我们没有试验过,值得学习。
Comrade Li Yunzhen’s “Brief Introduction to Sweet Potato Cultivation” is quite realistic. Worth to promote are: 1. About wheat stubble seedlings in the cut before the first seedlings in the spring sweet potato mother topping work, this is a good way. 2. The potato seedlings cut off from the kang, cut off the white root, but also should be promoted, the white root not only does not end tubers, but also may carry nematodes and other germs. 3. In the field management section, “a root of a pod whose stem is in close contact with” earth “in a mid-volt must be touched by a finger so that the root of the earth that is buried in it can Multi-tasking potato pieces ”and the northern Qionglai County Yang Qinggui high yielding cultivation of cabbage in the same meaning, we have not tested, it is worth learning.