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我县近几年来,积极扩大冬油菜面积,改进栽培技术,不断提高单产水平。 一、扩大冬油菜生产的主要途径 我县过去多为夏闲地直播,翌年五月底收,生育期270天左右,占地时间长,土地利用率低。近年,采取育苗移栽、间套作等措施,变一年一熟或二年三熟为一年两熟,油菜面积迅速扩大,由1976年的3.5万亩发展到1980年实收面积6.7万亩。
In recent years, our county has actively expanded winter rapeseed area, improved cultivation techniques and continuously raised the yield level. First, to expand the main ways of winter rapeseed production County in the past for the summer of more than live broadcast, the end of May next year received, the growth period of about 270 days, covering a long time, low land utilization. In recent years, the adoption of seedling transplanting, intercropping and other measures to become a year or a year two or three cooked twice a year, rapeseed area rapidly expanded from 1976 to 3.5 million mu development in 1980 to an area of 67,000 mu.