Effects of Synergist Addition on the Nitrogen Transformation of Surface Water and Rice Yield in Paddy Field

YU Qiaogang; HU Ruolan; YE Jing; MA Junwei; WANG Qiang; SUN Wanchun; ZOU Ping; LIN Hui

doi:10.13870/j.cnki.stbcxb.2019.06.040

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Effects of Synergist Addition on the Nitrogen Transformation of Surface Water and Rice Yield in Paddy Field

更新时间：2025-03-12

- Effects of Synergist Addition on the Nitrogen Transformation of Surface Water and Rice Yield in Paddy Field
- Vol. 33, Issue 6, Pages: 288-292(2019)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2019.06.040
  CLC：
- Published：2019
- 稿件说明：
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YU Qiaogang, HU Ruolan, YE Jing, et al. Effects of Synergist Addition on the Nitrogen Transformation of Surface Water and Rice Yield in Paddy Field[J]. 2019, 33(6): 288-292.
DOI：

YU Qiaogang, HU Ruolan, YE Jing, et al. Effects of Synergist Addition on the Nitrogen Transformation of Surface Water and Rice Yield in Paddy Field[J]. 2019, 33(6): 288-292. DOI： 10.13870/j.cnki.stbcxb.2019.06.040.

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。

Abstract

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.

关键词

Keywords

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