施地佳土壤调理剂改良酸性土壤试验初报
Primary report on improving acid soil with soil conditioner Shidijia
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摘要: 在永安市酸性土壤进行施用施地佳土壤调理剂试验,结果表明:每667 m2施用土壤调理剂2 kg处理的土壤pH值提高0.4,全氮、速效钾含量分别增加0.15 g/kg、5 mg/kg,有机质含量增加0.06 g/kg,有效磷含量下降0.6 mg/kg;早稻增产9.82%。Abstract: A test on applying soil conditioner “Shidijia” to acid soil in Yong’an City was carried out. The results showed that applying soil conditioper 2 kg could improve the pH value by 0.4, and increase the content of total nitrogen, available potassium and organic matter by 0.15 g/kg, 5 mg/kg and 0.06 g/kg, respectively, but decrease the content of available phosphorus by 0.6 mg/kg; the yield of early rice increased by 9.82%.