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当前位置: 首页 > 文章 > 坡耕地保护性耕作技术模式的保水保土增产效应研究 东北农业大学学报 2013,44 (5) 51-55
Position: Home > Articles > Soil and water conservation and water-saving and soybean yieldincreasing effects of different conservation tillage technology modes in slopping farmland Journal of Northeast Agricultural University 2013,44 (5) 51-55

坡耕地保护性耕作技术模式的保水保土增产效应研究

作  者：
魏永霞;李晓丹;胡婷婷
单  位：
东北农业大学水利与建筑学院
关键词：
东北黑土区;坡耕地;降雨径流;土壤侵蚀;深松;秸秆还田;垄向区田
摘  要：
采用径流小区与田间小区试验相结合的方式,于2011年在黑龙江省北安市红星农场3°坡耕地进行不同保护性耕作技术模式的水土保持和节水增产效应试验研究。通过对不同处理的径流量、土壤侵蚀量、干物质积累、产量、水分利用效率等分析表明,深松、深松+秸秆还田、深松+秸秆还田+垄向区田、深松+垄向区田四种模式均有一定的水土保持与节水增产效果,其中以深松+秸秆还田+垄向区田的效果最好,相对于常规耕作减流量、减沙量分别为95.12%、90.30%,产量、水分利用效率分别提高25.47%、31.91%。
译  名：
Soil and water conservation and water-saving and soybean yieldincreasing effects of different conservation tillage technology modes in slopping farmland
作  者：
WEI Yongxia1,2,LI Xiaodan1,HU Tingting1(1.School of Water Conservancy and Building Engineering,Northeast Agricultural University,Harbin 150030,China;2.Key Laboratory of Water-saving Agriculture of Heilongjiang Province,Harbin 150030,China)
关键词：
the black soil region of Northeast China;slope farmland;runoff;soil erosion;subsoiling;straw returning;furrow damming
摘  要：
The effect of the soil and water conservation and water-saving and yield-increasing of different conservation tillage technology mode were conducted in the slopping farmland with 3 degree gradient which located at Bei'an Red Star Farm of Heilongjiang Province in 2011 by means of the combination of runoff plots and field plots experiments.The analysis of runoff,soil erosion,dry matter accumulation and yield of soybean,water use efficiency for different treatments showed that: subsoiling,subsoiling and returning straw,subsoiling and returning straw and furrow damming,subsoiling and furrow damming four models all had a certain effect of the soil and water conservation and water-saving and yieldincreasing.Among them,the subsoiling and returning straw and furrow damming worked best,the reduction rates of runoff and sediment were 95.12% and 90.30% respectively but the yield and the water use efficiency were increased by 25.47% and 31.91% compared to conventional tillage.

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