Graded Banks are not constructed nor is strip cropping practiced.
河岸梯田没有构筑，条畦种植也没有进行。
The corn yield was increased over 15% by balance fertilizers, more than 9% by contour cropping and over 20% by contour planting hedgerow strip.
配方施肥能使玉米增产15%以上，等高种植能使玉米增产20%以上，等高植物篱条带能使玉米增产9%以上。
The corn yield was increased over 15% by balance fertilizers, more than 9% by contour cropping and over 20% by contour planting hedgerow strip.
配方施肥能使玉米增产15%以上，等高种植能使玉米增产20%以上，等高植物篱条带能使玉米增产9%以上。
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