名词
中文翻译：土壤肥力
同义词：
['fertility', 'soil quality例句：1. The farmer needs to maintain his soil tilth to ensure the crops grow well.（农民需要保持他的土壤肥力，以确保农作物生长良好。）']
例句：
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1. The farmer needs to maintain his soil tilth to ensure the crops grow well.
农民需要保持他的土壤肥力，以确保农作物生长良好。
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2.The soil tilth of the farmland is crucial for the survival of the crops.
农田的土壤肥力对农作物的生存至关重要。
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3.The soil tilth of the region has been declining due to overuse of chemical fertilizers.
该地区的土壤肥力因过度使用化学肥料而下降。