The waterlogged lowland and clay salinized land accounted for 80% of the area′s low yield farmland.

低洼涝渍田和粘闭滞渍田是渍害土壤的主要类型，约占全市低产田总面积的80％。

youdao

So matched main working implement for high-ridge platform - planter to practice this tillage method and ensure waterlogged lowland good harvest.

为此，给“高垄平台”耕法配套了主要作业机具—播种机，以保障此耕法的顺利实施，保障低湿易涝地丰产丰收。

youdao