刘继培;张扬;崔广禄;李飒;郄营;司长城;田琳;

• 1:北京市大兴区土肥工作站
• 2:北京市大兴区农业技术推广站

摘要(Abstract)：

为实现秸秆资源养分的高效利用,连续3 a进行田间试验,以秸秆不还田处理为对照,在秸秆还田条件下研究了是否增施腐熟剂2种处理方式对土壤理化性状及小麦产量的影响。结果表明:连续实施秸秆还田能显著降低土壤容重和pH值,有效提高土壤碱解氮、有效磷、速效钾和有机质含量以及小麦产量,且效果随着施用年限的延长而逐渐提高。秸秆还田+腐熟剂处理的效果优于秸秆还田处理,但二者所有指标差异均未达到显著水平。与对照相比,连续实施秸秆还田3 a后,秸秆还田+腐熟剂处理的土壤容重降低了0.18 g/cm³,pH值下降了0.27个单位,土壤碱解氮、有效磷、速效钾、有机质含量分别提高了6.46%、14.38%、16.16%和16.27%,小麦增产10.16%。秸秆还田是改善土壤质量、提高作物产量的有效措施,其中,秸秆还田+腐熟剂处理的效果略优于秸秆还田处理。

关键词(KeyWords)： 小麦;秸秆还田;土壤理化性状;产量

Abstract:

Keywords:

基金项目(Foundation): 北京市大兴区财政项目

作者(Authors): 刘继培;张扬;崔广禄;李飒;郄营;司长城;田琳;

DOI: 10.16318/j.cnki.hbnykx.2017.06.010

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