产量的增长和土地价格的上升证明，开垦更多的土地、并为更多的土地排水的做法是合理的。
The increased yield and price of land justified reclaiming and draining even more land.
土地排水是否导致了农作物产量比周围地区更高？
Did draining the land result in crop production greater than those of surrounding areas?
体积堪比小型岛屿的蓝色壮丽冰山漂浮在该城海港外的水域；其冰层峡湾为格陵兰冰盖上7%的土地排水防涝。
Majestic blue icebergs the size of small islands float outside its harbour; its ice fjord drains 7% of the area of the Greenland ice sheet.
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