河南省南召乔端林场,自1963年起,在针叶树(油松、马尾松)造林中,改进了栽植工具,用轻便的木质植树锹,代替了笨重的镢头造林,使原来由3人或5人流水作业,改为1人操作,工效由每人每日平均栽植250株,提高到1000余株。每亩栽植成本(以300株计)由过去1.80元,降低到0.37元。在质量方 Qianduan Forest Farm, Nanchao, Henan Province Since 1963, planting tools have been improved in conifers (Pinus tabulaeformis and Pinus massoniana) afforestation, using light wooden tree shovels, instead of cumbersome Shuitou afforestation, so that originally by 3 or 5 people running water, to 1 person operation, ergonomics per person per day by planting an average of 250, increased to more than 1,000 strains. Planting costs per mu (300 strains) from the past 1.80 yuan, reduced to 0.37 yuan. On the quality side