谷物播种施肥和喷药机械自动监测装置叶勇，徐伟（中国人民解放军总后勤部农技推广总站）长期以来，我国机械播种、施肥和喷洒农药等作业的质量情况全靠人工监视，监视人员站在机械上直接遭受灰尘、药尘的危害，且体力消耗过大，对因机械故障等造成的堵塞、断条情况难以进... Automatic Monitoring Device for Grain Seeding and Spraying Machinery Ye Yong and Xu Wei (Agricultural Science and Technology General Station, General Logistics Department, People’s Liberation Army, PLA) For a long time, the quality of machinery for planting, fertilizing and spraying pesticides in China depends entirely on manual surveillance. Stand on the machinery directly to the hazards of dust, dust, and physical exertion is too large, due to mechanical failure caused by clogging, broken bar conditions difficult to enter ...