“2BMG”系列滚筒式地膜棉穴播机通过八三年近十万亩大面积生产试验,证实其主要性能基本满足农艺要求,但也暴露了一些问题急需改进。今年五月,兵团受农牧渔业部和自治区科委的委托,对该机进行了科研成果鉴定。进一步肯定了机器的特点,同时也指明了改进方向。在此基础上,进行了如下五项改进,使穴播机的性能更臻完善。 The “2BMG” series of drum-type cotton film seeding machine passed the large-scale production test of nearly 100,000 mu in 83 years and confirmed that its main performance basically met the requirements of agronomy. However, some problems were also exposed, which were in urgent need of improvement. In May this year, Corps commissioned by the Ministry of Agriculture, Animal Husbandry and Fisheries and Autonomous Region Science and Technology Commission, the aircraft carried out scientific research appraisal. Further affirmed the characteristics of the machine, but also indicate the direction of improvement. On this basis, the following five improvements were made to further improve the performance of the piercer.