根据1989 ~ 1991年试验资料，分析论述了排水改良成酸稻田的效果及效益。
The effects and benefits of drainage for amelioration of the saline and acid rice field have been analysed according to the experiment data of 1989 ~ 1991.
根据1989 ~ 1991年试验资料，分析论述了排水改良成酸稻田的效果及效益。
The effects and benefits of drainage for amelioration of the saline and acid rice field have been analysed according to the experiment data of 1989 ~ 1991.
应用推荐