目前,苗圃打药作业,多数是用背负式喷雾器或担架式喷雾器,不仅劳动强度大,而且工作效率低,成本高.我们在改制成功工农一12型机引播种机的基础上,戒骄戒燥,乘胜前进,虚心学习外地经验,又改制成功了工农-12型自动打药车,用于苗圃的打药作业(见封里照片).通过一年来的生产实践,初步证明这种打药车具有工作效率高、作业质量好、成本低、操作简便、机动性大等优点;不仅减轻了劳动强度,而且 At present, the nursery fight drug operation, most of them are knapsack sprayer or stretcher sprayer, not only labor-intensive, and low efficiency, high cost .We successfully restructuring workers and peasants a 12-type machine on the basis of planting, , Taking the victorious advance and humbly learning field experience, and successfully restructuring the worker-peasant-12 automatic drug cart for the nursery stocking operations (see Fengli photos.) Through the practice of the past year, initially proved that this drug cart has a job High efficiency, good work quality, low cost, easy operation, high mobility and other advantages; not only reduce the labor intensity, and