旱地玉米保护性机械化耕作技术和机具体系  

Technology and Machinery System of Mechanized Conservation Tillage for Dryland Maize

作　　者：陈君达[1] 李洪文[1] 

机构地区：[1]中国农业大学机械工程学院

出　　处：《中国农业大学学报》1998年第4期33-38,共6页Journal of China Agricultural University

基　　金：国家"八五"科技攻关项目

摘　　要：在6年的保护性耕作研究中，先后试验研究了碎秆免耕、碎秆深松、倒秆免耕、立秆免耕、碎秆免耕＋耙、碎秆深松＋耙等保护性耕作方案，研制出组合式限深切草轮、行间压草轮，以及单体防堵分草板等免耕播种机的关键作业部件。农机与农艺相结合的试验结果表明，保护性耕作具有明显的减少水土流失、增产增收的效果，已形成一种新的机械化旱作技术和机具体系。in 6 years' research of conservation tillage, no-till with chopped and pressed stalk, subsoiling with chopper and pressed stalk, no-till and harrow with chopped stalk as well as subsoiling and harrow with chopped stalk were tried while the key components in wheel planter, such as cutter and depth control wheels, pressing wheel between two units, etc.were developed. The experiment of machinery and agronomy showed that conservation tillage can save and keep more water, give higher yields and increased incoming. The new technology and machinery system of mechanized conservation tillage for dryland maize were developed.

关 键 词：旱地 玉米 保护性耕作 机械化 机具 

分 类 号：S233.1[农业科学—农业机械化工程] S513.051[农业科学—农业工程]