运用DRAINMOD_NII分析排水暗管布置对水稻产量及氮素流失量的影响  

Analysis of Underground Drainage Pipe Layout Impact on Rice Yield and Nitrogen Loss with DRAINMOD_NII

作　　者：王亚妮 耿九飞 刘德高 程华进 王钱超 Wang Yani;Geng Jiufei;Liu Degao;Cheng Huajin;Wang Qianchao(Huai'an Water Conservancy Survey,Design and Research Institute Co.,Ltd.,Huai'an 223005,Jiangsu;Water Bureau of Kuancheng Manchu Autonomous County,Chengde 067000,Hebei;Shuifa Planning&Design Co.,Ltd.,Jinan 250014,Shandong)

机构地区：[1]淮安市水利勘测设计研究院有限公司,江苏淮安223005 [2]宽城满族自治县水务局,河北承德067000 [3]水发规划设计有限公司,山东济南250014

出　　处：《陕西水利》2024年第1期79-82,共4页Shaanxi Water Resources

摘　　要：合理的排水暗管布置,可以有效提高水稻产量、减少氮素流失量。运用DRAINMOD_NII模型分析竹络坝灌区不同排水暗管布置对水稻产量和氮素流失量的影响。结果显示暗管间距90 m、埋深90 cm时,水稻产量最高;随排水暗管间距增大,氮素累积流失量减小,同一排水间距,埋深越深,氮素累积流失量越大。Rational drainage tube arrangement can effectively increase rice yield and reduce nitrogen loss.The effects of different drainage DRAINMOD_NII model on rice yield and nitrogen loss in Zhuluoba irrigation district were analyzed.The results showed that the rice yield was the highest when the tube spacing was 90m and the buried depth was 90cm.The cumulative nitrogen loss decreased with the increase of drainage tube spacing,and the greater the cumulative nitrogen loss was with the same drainage spacing and the deeper the buried depth.

关 键 词：DRAINMOD_NII模型 排水暗管 氮素流失量 竹络坝灌区 

分 类 号：S276.7[农业科学—农业水土工程]