soil classification test

例句：

1. 1.The soil classification test is crucial for understanding the nutrient content of the soil.
   土壤分类测试对于了解土壤的养分含量至关重要。
2. 2. The soil classification test results showed that the soil was lacking in nitrogen and phosphorus.
   土壤分类测试结果显示，土壤缺乏氮和磷。
3. 3. The soil classification test helped us identify the best planting location for our crops.
   土壤分类测试帮助我们确定了最适合种植作物的地点。