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有机氮无机氮不同配比对盐渍化土壤的改良效果

LI Jie,LIU Shan-jiang,CHEN Yi-shan,BAI Yang,MA Liang,WU Rong,YANG Dong-jie

Northern Horticulture（2014）

Cited 24|Views14
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Abstract
通过大田试验,研究了冬小麦夏玉米轮作模式下4种有机氮无机氮配比对盐渍化土壤改良效果的影响.结果表明:有机氮投入比例越高,对土壤全盐含量的降低效果越好;盐渍化土壤单施化学肥料会加重盐害;有机氮投入会在短期降低耕层土壤pH 0.11～0.19,有机氮投入可降低耕层土壤Na+、Cl-含量;以有机氮∶无机氮=2∶1对盐渍化土壤的改良效果最佳.
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Soil Moisture,Soil Properties
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