名词
中文翻译：植物覆盖物
同义词：
['green manure', 'cover crop例句：1. To improve soil fertility', 'farmers often plant mulch in the fall.（为了提高土壤肥力，农民在秋天经常种植覆盖物。）']
例句：
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1. To improve soil fertility, farmers often plant mulch in the fall.
为了提高土壤肥力，农民在秋天经常种植覆盖物。
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2.The organic matter in the mulch helps to suppress weeds and prevent soil erosion.
覆盖物中的有机物质有助于抑制杂草和防止土壤侵蚀。
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3.The mulch also serves as a barrier against pests and diseases.
覆盖物还起到抵御害虫和疾病的作用。