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江西分宜煤矿电机厂项效力问: 当前,各地桐油紧缺,个别地区根本无货,多植桐树,发展桐油生产,势在必行。特向贵刊“点题服务”栏求教:①油桐应选择什么地势栽培。②对土壤、气候有何要求?③应注意那些栽培管理技术?盼给公开一告。
Effectiveness of Jiangxi Epi Coal Mine Electrical Works Q: At present, there is a shortage of tung oil in various parts of the country. There are no goods in individual areas. It is imperative to plant more tung trees and develop tung oil production. Special to your magazine “question service” column Neighborhoods: ① what should be chosen to grow topography. ② What are the requirements for soil and climate? ③ Should pay attention to those cultivation and management techniques?