The low-lying saline-alkali wetland is one of main type of low yield fields in Huang-Huai-Hai Plain.

鲁西北地区是黄淮海平原中低产田渍涝洼地的主要分布区之一。

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The low-lying saline-alkali wetland is one of main type of low yield fields in Huang-Huai-Hai Plain.

鲁西北地区是黄淮海平原中低产田渍涝洼地的主要分布区之一。

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