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中国农学通报

中国农学通报 ›› 2019, Vol. 35 ›› Issue (11): 65-71.doi: 10.11924/j.issn.1000-6850.casb17120045

所属专题： 生物技术

• 资源 环境 生态 土壤 气象 • 上一篇    下一篇

脲酶硝化双抑制剂缓释肥对土壤养分含量及土壤酶活性的影响

聂云鑫, 徐卫红, 陈序根, 李彦华, 迟荪琳, 李 桃, 冯德玉, 贺章咪   

  1. 西南大学资源环境学院
  • 收稿日期:2017-12-09 修回日期:2019-03-21 接受日期:2018-02-06 出版日期:2019-04-15 发布日期:2019-04-15
  • 通讯作者: 徐卫红
  • 基金资助:
    现代农业产业技术体系建设专项“现代农业大宗蔬菜产业技术体系建设项目”(Nycytx-23)；国家科技支撑计划项目“沿湖地区农业面源污 染防控与综合治理技术研究”(2007BAD87B10)。

Effects of Slow-release Fertilizer Containing Urease Inhibitor and Nitrification Inhibitor on Nutrients Contents and Enzymes Activities in Soil

  • Received:2017-12-09 Revised:2019-03-21 Accepted:2018-02-06 Online:2019-04-15 Published:2019-04-15

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摘要： 为研究氮肥合理运筹及黄瓜高产高效优质安全生产问题，采用土培试验研究自制黄瓜专用脲酶硝化双抑制剂缓释肥（CSRF1 和CSRF2）对土壤氮磷钾含量、土壤酶活性及黄瓜产量、氮磷钾养分含量的影响。结果显示：与普通复合肥相比，2 种专用缓释肥降低了土壤脲酶活性，分别较其他处理降低了8.15%~40.1%；土壤过氧化氢酶活性比其他处理分别增加了14.3%~135.7%；土壤磷酸酶活性和蔗糖酶活性也较其他施肥处理增加了16.6%~29.9%和24.6%~61.5%；土壤有机质含量比其他处理增加了1.98%~26.06%。2 种专用脲酶硝化双抑制剂缓释肥（CSRF1 和CSRF2）显著提高了黄瓜产量（果实干物质量），分别较普通复合肥(OCF)、商品缓释肥(MSRF)和黄瓜专用肥(CCF)处理分别增加了59.1%、30.3%、33.8%(CSRF1)和46.2%、19.7%、22.9%(CSRF2)，且黄瓜产量在各处理之间的差异达到显著水平。2 种专用缓释肥（CSRF1 和CSRF2）在脲酶硝化双抑制剂的作用下，延缓了肥料中氮素养分的释放，增加黄瓜植株对氮磷钾养分的吸收。

关键词: 太白红杉, 太白红杉, 径向生长, 时间尺度, 环境因子

Abstract: The paper aims to study the rational management of nitrogen fertilizer and safety issues in high yield and high quality cucumber production, and provide a basis for improving the utilization rate of nitrogen fertilizer. Special slow-release fertilizers containing urease inhibitor (NBPT) and nitrification inhibitor (DCD) were produced according to the nutrient requirements of cucumber. Pot experiments were conducted to study the effects of vegetables slow-release fertilizers on NPK contents and enzymes activities in soil, and cucumber yield and NPK contents. The results showed that compared with other treatments, two kinds of special slowrelease fertilizers (CSRF1 and CSRF2) reduced soil urease activity by 8.15%-40.1%; increased soil catalase activity by 14.3%-135.7%; increased soil phosphatase activity and invertase activity by 16.6%-29.9% and 24.6%-61.5%; and increased the content of soil organic matter by 1.98%-26.06%. The two kinds of special slow release fertilizers respectively increased the cucumber yield by 59.1%, 30.3%, 33.8% (CSRF1), and 46.2% , 19.7% and 22.9% (CSRF2) compared with treatments of ordinary compound fertilizer(OCF),

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