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徐建荣改两茬为三茬实现了增产增效乐亭县中堡王庄乡鲁家坨村徐建荣，１９９４年前，采用上茬土豆，下茬套种玉米，带距１００厘米，土豆与玉米行比２１２的种植模式，亩效益仅在１２００元左右。虽比单茬种植样式成倍增加了效益，但他发现，耕地还有增产潜力。为求得更高...
Xu Jianrong to change the two stubble for the third crop to achieve a yield increase and efficiency Laoting County, Fort Wangzhuang Township Lu Tuo Tuo Village Xu Jianrong, 1994, the use of potatoes on the stubble, the next crop Intercropping corn, with a distance of 100 cm, potato and corn ratio 212 planting mode, mu benefits only 1200 yuan. Although double cropping patterns doubled the benefits, but he found that there is potential for arable land. To get higher ...