【摘要】 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。更多还原

【Abstract】 The soil sample was collected and analyzed in order to master the soil fertility situation and to increase the yield and quality of rice in Tieling area.The results showed that the soil is rich in available P and K and the alkaline-spread N,organic matter,total N and available B are at medium level.The available Si,exchangeable Ca,exchangeable Mg,available Cu,Zn,Mn,and Fe are abundant.The pH values vary greatly.更多还原