1981年春,我们本着花钱少、见效快的原则,确定了“先施肥播种,后打孔铺膜,孔种对中”的种植方式。在2BF-24A 播种机上增设铺膜、打孔、孔上覆土等装置。改装后的机具一次可以完成种植地膜棉的平地、施肥、播种、铺膜、打孔及孔上覆土等项复式作业,比较好地解决了种植地膜棉的机器作业。该装 In the spring of 1981, in line with the principle of spending less money and quickening, we determined the planting methods of “fertilizing and sowing first, then drilling and filming the holes, and matching the holes”. In 2BF-24A planter additional membrane, drilling, hole soil cover and other devices. After the modification of the machine can be completed planted cotton mound of land, fertilization, sowing, filming, drilling and hole overlying soil and other items of complex operations, a better solution to the machine cotton film planting operations. The equipment