摇好耧是把好播种质量关的重要一环。长期以来,群众积累着丰富的经验,总结起来可概括为21字。即: 一平:净眼观三, 紧三慢三猛一掂, 上慢下快三结合。一平:就是耧要掌平,下籽深浅一致,出苗均匀。二净:种子净,耧腿净。免于噎耧,出现缺苗断垄现象。眼观三:一观籽眼,看下籽量多少;二观行距,看垄背宽窄,防止“大耙腿”;三 Shake well is a good sowing quality of the important part. For a long time, the masses have accumulated rich experience and can be summed up in 21 words. Namely: a flat: net concept of three, three tight three slow one fierce, slow combination of fast three. A flat: that is, I want to palm flat, the same depth of seed, emergence uniform. Second net: seed net, net leg. Free from stupid, there is lack of seedlings off the ridge phenomenon. Eye three: a view of seed eyes, see how much the amount of seed; two row spacing, to see the width of ridge back to prevent “big rake legs”; three