文章摘要
俞巧钢, 胡若兰, 叶静, 马军伟, 王强, 孙万春, 邹平, 林辉.增效剂对稻田田面水氮素转化及水稻产量的影响[J].水土保持学报,2019,33(6):288~292
增效剂对稻田田面水氮素转化及水稻产量的影响
Effects of Synergist Addition on the Nitrogen Transformation of Surface Water and Rice Yield in Paddy Field
投稿时间:2019-06-19  
DOI:10.13870/j.cnki.stbcxb.2019.06.040
中文关键词: 田面水  氮素转化  腐植酸  聚天门冬氨酸  DMPP
英文关键词: surface water of paddy field  nitrogen transformation  humic acid  polyaspartic acid  DMPP
基金项目:国家重点研发计划项目(2016YFD0800500);浙江省重大科技专项重点农业项目(2015C02013)
作者单位E-mail
俞巧钢1, 胡若兰2, 叶静1, 马军伟1, 王强1, 孙万春1, 邹平1, 林辉1 1. 浙江省农业科学院环境资源与土壤肥料研究所, 杭州 310021

2. 长江大学农学院
, 湖北 荆州 434023 
majw111@126.com 
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中文摘要:
      采用田间试验的方法,通过种植单季水稻"绍粳18",研究施用添加聚天门冬氨酸、腐植酸、硝化抑制剂DMPP(3,4-二甲基吡唑磷酸盐)等增效剂的肥料对水稻田面水氮素转化及其产量的影响。结果表明,稻田施氮明显提高了田面水的可溶性总氮、铵态氮、硝态氮浓度。聚天门冬氨酸、DMPP、腐植酸等增效剂的施用,水稻生育期田面水可溶性总氮平均浓度分别下降14.1%,15.8%和7.3%,铵态氮增加10.6%,27.5%和8.6%,硝态氮降低31.8%,46.7%和26.9%,有助于降低氮素流失对水体环境造成的面源污染风险。增效剂聚天门冬氨酸、DMPP和腐植酸可使水稻籽粒产量分别增加6.2%,7.8%和2.4%,秸秆产量增加10.8%,6.1%和4.0%。添加增效剂的肥料较普通肥料可以降低田面水的总氮含量,并且能更好地促进水稻生长,提高水稻产量。
英文摘要:
      Field experiments were conducted to study the effects of synergetic addition in the fertilizers such as polyaspartic acid, humic acid, and nitrification inhibitor DMPP (3,4-dimethyl pyrazophosphate) on the nitrogen transformation of rice surface water and rice yield by planting single cropping rice "shaojing 18" in paddy field. The results showed that the total soluble nitrogen, ammonium nitrogen and nitrate nitrogen concentrations in the rice surface water were significantly increased by fertilization. With the application of synergists such as polyaspartic acid, DMPP, humic acid and so on, the average soluble total nitrogen concentration in the rice surface water decreased by 14.1%, 15.8%, and 7.3%, ammonium nitrogen increased by 10.6%, 27.5%, and 8.6%, and nitrate nitrogen declined by 31.8%, 46.7%, and 26.9%, respectively, which helped to reduce the risk of non-point source pollution caused by the nitrogen runoff loss to water environment. Polyaspartic acid, DMPP, and humic acid application increased rice grain yield by 6.2%, 7.8%, and 2.4%, and increased straw yield by 10.8%, 6.1%, and 4.0% respectively. Compared with common fertilizers, synergist addition in the fertilizers can reduce the total nitrogen content in the rice surface water, and better promote the growth of rice and increase the yield.
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