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用“七○一”、“九二○”浸油菜根系的方法,既是简便易行,又是省工、省药、增产显著的方法。根据桐乡县洑院公社农科站两年来的试验结果,效果良好。如一九七二年经“九二○”浸根的六块油菜田,其中增产的有五块,占总田块数的83%以上,还有一块是平产,没有减产田块。在嘉兴地区农科所试验田中,用“七○一”或“九二○”浸根的,增产率一般在6%到9%左右。因此,用“七○一”或“九二○”浸油菜根的方法,可以在生产上作进一步试
With “701”, “920” soaking rape roots method is both simple and easy, but also labor-saving, provincial medicine, a significant yield increase. According to the experimental results of Tongxiang County Academy of Agricultural Science Station two years ago, the effect is good. For example, in the six rapeseed fields that dipped their roots in 1992 on July 20, five of them were increased, accounting for more than 83% of the total number of plots. The other one was flat-cropped with no yield reduction. In the experiment field of Jiaxing Regional Agricultural Science Institute, the rate of increase in yield was generally 6% to 9% with “701” or “920” soaking roots. Therefore, with the “701” or “1990” soaking rape roots, you can make further tests in the production