为掌握铁岭地区稻田土壤肥力变化情况,提高水稻产量及品质,特采集土样进行检测。结果表明,铁岭地区稻田土壤中有效磷、有效钾含量丰富;碱解氮、有机质和全氮含量处于中等水平;有效硅、交换性钙和交换性镁含量很丰富;有效铜、有效锌和有效锰含量很丰富;有效铁含量丰富;有效硼含量处于中等水平;土壤酸碱度差异很大。 In order to grasp the changes of soil fertility in paddy fields in Tieling and to improve the yield and quality of rice, soil samples were collected for testing. The results showed that available phosphorus and available potassium were abundant in paddy soils in Tieling area; moderately hydrolyzed nitrogen, organic matter and total nitrogen were moderate; available silicon, exchangeable calcium and exchangeable magnesium were abundant; available copper, available zinc and effective Manganese content is rich; effective iron content is rich; effective boron content is at medium level; soil pH is very different.