以恢复耕地土中原有的化学组成环境的自然状态，使农作物正常生长，提高产量。
The preparation method can recover the natural state of the original chemical composition environment in the farmland, lead the crops to grow normally and improve the yield.
以恢复耕地土中原有的化学组成环境的自然状态，使农作物正常生长，提高产量。
The preparation method can recover the natural state of the original chemical composition environment in the farmland, lead the crops to grow normally and improve the yield.
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