ZHENG Yu,LI Yu-ying,HAN Xiao-ri,et al.Effects of Different Measures of Water and Fertilizer Management on Rice Yield and Water and Fertilizer Utilization Efficiency in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(11):52-57.[doi:10.11942/j.issn1002-2767.2019.11.0052]
不同水肥管理措施对寒地水稻产量及水肥利用效率的影响
- Title:
-
Effects of Different Measures of Water and Fertilizer Managementon Rice Yield and Water and Fertilizer Utilization Efficiency in Cold Region
- Keywords:
- rice in cold region; irrigation measures; nitrogen management; fertilizer utilization rate; water use efficiency
- 文献标志码:
- A
- 摘要:
- 为促进水稻高产高效,本试验设置了不同灌溉和氮肥管理模式,在黑龙江省水稻主产区开展田间试验,分析其对水稻产量、效益和水分利用率的影响。结果表明:与农民常规水肥管理(FP)比较,采用间歇灌溉尿素冲施(SWD1)和间歇灌溉氨水冲施(SWD2)水肥管理措施,水稻分别增产7.6%和11.1%,分别增收21.5%和30.8%;SWD1较FP水稻氮、磷、钾肥利用率分别提高4.6,4.2和5.2百分点,农学效率分别提高4.2,10.2和8.0 kg?kg-1;SWD2较FP水稻氮、磷、钾肥利用率分别提高6.7、6.3和7.5百分点,农学效率分别提高6.1,14.9和11.7 kg?kg-1;SWD1和SWD2较FP水分利用效率分别提高25.1%和34.7%。SWD2较SWD1水稻产量、效益、氮肥利用效率和水分利用效率分别提高3.2%、4.7%、5.6%和7.6%,二者差异不显著。
- Abstract:
- In order to promote high yield and high efficiency of rice,different irrigation and nitrogen management modes were set up in this experiment.Field experiments were carried out in the main rice production areas of Heilongjiang Province to analyze the effect on rice yield,benefit and water use efficiency.The results showed that compared with farmers’ conventional water and fertilizer management(FP),the treatments of intermittent irrigation with urea(SWD1)and intermittent irrigation with ammonia(SWD2)could make the rice yield increase by 7.6% and 11.1% respectively,and the income increase by 21.5% and 30.8% respectively.Compared with FP,the utilization rate of nitrogen,phosphorus and potassium fertilizer of SWD1 increased by 4.6,4.2 and 5.2 percentage points,and the agronomic efficiency increased by 4.2,10.2 and 8.0 kg?kg-1,respectively.Compared with FP,the utilization rate of nitrogen,phosphorus and potassium fertilizer of SWD2 increased by 6.7,6.3 and 7.5 percentage points,and the agronomic efficiency increased by 6.1,14.9 and 11.7 kg?kg-1,respectively.Compared with FP,the water use efficiency of SWD1 and SWD2 increased by 25.1%and 34.7%,respectively.Compared with SWD1,the rice yield,benefit,nitrogen fertilizer and water use efficiency of SWD2 increased by 3.2%,4.7%,5.6%and 7.6%,respectively,but no significant difference between the two treatments.
参考文献/References:
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备注/Memo
收稿日期:2019-07-23