大豆和玉米不是在同一块地里播种的；然而，大多数农民不愿意在他们的玉米上使用除草剂。
Soybeans and corn are not sown together in the same filed; nevertheless, most farmers are reluctant to use the herbicide on their corn.
双壁开沟犁，犁头后部有两块曲面铁板的犁，可翻开犁沟两边的泥土，常附有播种机。
A plow equipped with a double moldboard that turns up the soil on each side of the furrow, often having an attached drill for seed planting.
本装置消除了马铃薯种块在其箱 内堵塞、架空现象，具有结构简单、作业可靠、播种精度高、漏播 率低的特点。
This device eliminates the blocking and overhead of the seed piece in the chamber. It features simple structure, reliable operation, high precision and low missing seed rate.
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