２ＢＳＦ１单体耐密型玉米播种机吉林省四平市农机化研究所研制的ＺＢＳＦＩ单体耐密型五米播种机最近通过了鉴定。该机能一次完成窄开沟、深施肥、回士播种、覆土等作业。该机采用窄开沟，有利保墒出全苗；采用深施肥，提高了化肥的利用率；采用内充型孔轮式排种器，降低... 2BSF1 monomer dense corn sowing machine Siping City, Jilin Province Institute of Agricultural Mechanization developed ZBSFI monomer dense five meters seeder recently passed the appraisal. The machine can complete a narrow ditch, deep fertilization, sowing back, soil cover and other operations. The machine uses a narrow ditch, the benefits of moisture from the whole seedlings; the use of deep fertilization, improve the utilization of chemical fertilizers;