Wide-narrow row alternate strip small-ridge ridge culture and minimal tillage planting method for corn in straw full-amount line-collecting field returning mode

The invention discloses a corn wide-narrow row alternate strip small-ridge ridge culture and minimal tillage planting method under a straw full-amount line-collecting and field-returning mode, belongs to the field of straw field-returning tillage, and particularly relates to the corn wide-narrow row alternate strip small-ridge ridge culture and minimal tillage planting method under the straw full-amount line-collecting and field-returning mode. The invention aims to overcome the defects in the prior art, and not only can realize the full-amount returning of straws in protective farming, but also can retain the favorable conditions of traditional ridge culture. The method comprises the steps of autumn straw smashing, covering and returning to the field, autumn straw collection wide row, strip plowing, sowing narrow row, pesticide weeding, seedling stage intertillage, deep scarification, topdressing and pest control, wide row and narrow row alternation and wide row fallow in the operation season of the next yea