新湖总场试验站于1996年3月从辽宁购进一台2BQ－6型气吸式精量播种机使用前进行试播，发现该机的仿形机构及排种、限深、销膜、覆土等装置无法适应本地区土壤条件，也难以达到棉花良种大田精量播种的技术要求。为此，我们对2BQ－6型气吸式糖量播种机的部分构件进行了调整和改进 Xinhu General Field Test Station purchased a 2BQ-6 type air-suction precision seeder from Liaoning in March 1996 and pilot-tested it before use. It found that the profile mechanism, Covering soil and other devices can not adapt to the soil conditions in the region, it is difficult to achieve precision seed sowing cotton seed varieties of technical requirements. To this end, we 2BQ-6-type air suction sugar seeder part of the components have been adjusted and improved