“LD51A型多功能田园管理机”是山东省科委科技计划项目,由山东省农机研究所与山东莱动内燃机公司承担,经过1年的研制,已于1999年11月通过鉴定。该机型主要以田间作业为主,结构简单、配套完善、价格低,可完成犁耕、旋耕、中耕、除草、松土、开沟、打垄、喷雾、收割、抽水及短途 “LD51A Multifunction Garden Manager” is a science and technology project of Shandong Science and Technology Commission. It is undertaken by Shandong Agricultural Machinery Research Institute and Shandong Ledian Engine Company. After one year of research and development, it passed the appraisal in November 1999. The model is mainly field-based, simple structure, perfect matching, low price, complete plowing, rotary farming, cultivating, weeding, loosening, ditching, ridge, spray, harvest, pumping and short