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1980年我们开始试验杂稻汕优2号宽窄行一次追肥、中耕高产栽培法。四年来取得了很好的效果。试验田比对照田平均每亩增产91.1斤,增长6.3％(见附表)。从1981年起,在琊川区各公社开始试验、示范,1983年大面积推广,邻近的余庆县松烟公社的部份农户也采用此法。实践证明,杂
In 1980, we started to test hybrid rice Shanyou 2 width and width of a row of top-dressing, cultivating high-yield cultivation method. Four years have achieved good results. Compared with the control field, the experimental field increased yield by 91.1 kg per mu, up 6.3% (see attached table). Since 1981, various communes in Xichuan District have been experimenting and demonstrating large-scale popularization in 1983, and some of the farmers in the neighboring Yuqing Songchu Commune have also adopted this method. Practice has proved that miscellaneous