摘要
介绍了打孔式播种机的问世及国内外的研究进展。在分析现有打孔式播种机优缺点的基础上，提出适合我国农业发展现状的打孔式播种机应具有的特点。
in this paper,the situation and progress of the punch planter at home and abroad are described.Based Oil analyzing the features of the present punch planter,it points out that it is necessary to make further study on the punch planter in accordance with the present situation of the agricultural development at home.
基金
国家自然科学基金
