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种稻改良盐碱地,是我国农民长期与盐碱斗争中的成功经验。我国宁夏银南地区利用种稻改良盐碱地已有两千多年的历史,很早就有“碱地生效,开沟种稻”的农谚,河北天津小站地区,在近百年前,农民就在盐碱地上开渠引水种稻,辽宁的丹东、盘锦地区,开垦种稻也有数十年的历史。辽河下游的沿海地区,分布有大面积盐碱地,这些盐碱地种稻后,增产的潜力很大,一般比改良前增产7—8倍,甚至十
The improvement of saline-alkali soil for planting rice is a successful experience of our peasants in long-term struggle against saline and alkali. In Yinnan, Ningxia, China, there has been a history of more than 2,000 years of using paddy soils to improve saline land. There have long been a saying of “Alkalinity effective, ditching rice”, a small station in Hebei’s Hebei province. Nearly a century ago peasants On the saline-alkali soil to open diversion paddy rice, Liaoning Dandong, Panjin, reclamation of rice has decades of history. Liaohe River downstream of the coastal areas, the distribution of a large area of saline land, these kinds of saline-alkali land after a large potential for yield increase, generally 7-8 times before the improvement yield, or even ten