玉米大垄双行机械化栽培技术和玉米大垄双行覆膜机械化栽培技术已经在我国东北地区推广应用，收到了增产增收效果。
The mechanization technique of the two row with big ridge for corn growth has already been extended in the northeast area of our country and it has the effect of the production increasing.
玉米大垄双行机械化栽培技术和玉米大垄双行覆膜机械化栽培技术已经在我国东北地区推广应用，收到了增产增收效果。
The mechanization technique of the two row with big ridge for corn growth has already been extended in the northeast area of our country and it has the effect of the production increasing.
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