不同收获时期对油菜机械收获损失率及籽粒品质的影响 |
左青松 |
Effects of Harvesting Date on Yield Loss Percentage of Mechanical Harvest and Seed Quality in Rapeseed |
图1 不同收获期不同部分产量损失占总产量损失的比例 Fig. 1 Ratio of yield loss in different parts to total yield loss at different harvesting dates SL: shattering loss; CHL: harvest loss by combine header; CHL1: seed loss by combine header; CHL2: branch loss by combine header; CTL: cleaning and threshing loss; ML: mixture in straw and shell loss; NTPL: non-threshing pod loss. |