名词
中文翻译：土壤评级
同义词：
['soil quality', 'soil health', 'soil fertility']
例句：
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1. Thesoil rating of this region is very high, which is beneficial for plant growth.
该地区的土壤评级非常高，对植物生长非常有利。
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2. To ensure the quality of the soil, farmers need to regularly test its pH and nutrient levels.
为了确保土壤的质量，农民需要定期测试其pH值和养分水平。
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3. The soil rating is an important factor in determining whether a farm can produce high-quality crops.
土壤评级是决定一个农场能否生产高质量作物的重要因素。