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黑龙江省东北部有４６．７万ｈｍ２低湿地稻田，因地下水位高排水困难常造成内涝，导致水稻大面积倒伏而减产。近年来，虽然水利工程建设解决了少部分地表水的危害，但地下水始终不能明显下降，因此，低湿田地下水位高是影响水稻单产提高的关键。针对这一问题进行了不同垄宽立
There are 467,000 hm2 of paddy fields in the northeastern part of Heilongjiang Province, causing frequent waterlogging due to high water table drainage, leading to large-scale lodging of rice and reduced production. In recent years, although the construction of water conservancy projects has solved the harm of a small part of surface water, the groundwater can not always drop obviously. Therefore, the high groundwater level in low-humidity fields is the key to the improvement of rice yield. In response to this issue were different ridge width legislation