经过课题组近 1 0年的努力攻关 ,由西北农林科技大学无公害农药服务中心博士生导师张兴教授主持的“自流式树干注药技术研究”日前通过成果鉴定。由省科委、省农业厅组织和主持的鉴定委员会认为 ,该成果达到同类研究的国际领先水平。自流式树干注药技术以植物化学保护原理为指 After the task force nearly 10 years of efforts to tackle key problems, by the Northwest A & F University Pollution-free Pesticide Service Center doctoral tutor Professor Zhang Xing presided over the “self-flow injection technology research trunk trunk” passed the results of appraisal. The appraisal committee, organized and chaired by the Provincial Science and Technology Commission and the Provincial Department of Agriculture, believes that this achievement has reached the international advanced level of similar research. Self-flow stem injection technology to phytochemical protection principle refers to