长期定位试验下农田保护性耕作的效益分析  

Benefit Analysis on Conservation Tillage in Farmland under Perennial Orientation Research

作　　者：吕军杰 丁志强[1] 李俊红[1] 吴剑峰[1] 王育红[1] 张洁[1] 姚宇卿[1] 张少澜 

机构地区：[1]洛阳市农业科学研究院中国农科院洛阳旱农试验基地,河南洛阳471022

出　　处：《作物研究》2009年第1期42-44,共3页Crop Research

基　　金：国家"十一五支撑计划"项目;编号2007BAD88B02;洛阳市科技攻关项目;编号0801068A

摘　　要：采用定位研究的方法,在洛阳典型的丘陵坡耕旱地上,经过8年的连续研究表明:深松覆盖与免耕覆盖技术能显著提高土壤对降水的贮蓄能力,最高可较对照增加20%以上;深松覆盖较免耕覆盖的增产作用更为显著,两者在试验3年以后均表现出提高降水利用效率的作用。Eight years continuous orientation researches on typical upland dry land in Luoyang indicated that SB-cover and NT-cover techniques could significantly increase soil capability to rainfall, and the highest increasing extent was over 20 percentage compared to CK. The yield increasing effect of SB-cover treatment was better than that of NT-cover treatment. Compared to CK, both SB-cover and NT-cover could heighten rainfall use efficiency only after 3 years from beginning of this expriment.

关 键 词：农田 定位研究 保护性耕作 效益分析 

分 类 号：S344[农业科学—作物栽培与耕作技术]