soil analysis on the spot

例句：

1. 1.We need to conduct a soil analysis on the spot to determine the best planting location.
   我们需要在现场进行土壤分析，以确定最佳种植位置。
2. 2.The soil analysis on the spot helped us identify the nutrient deficiencies in the soil.
   现场土壤分析帮助我们识别了土壤中的营养不足问题。
3. 3.The agricultural experts conducted a soil analysis on the spot to provide recommendations for crop rotation.
   农业专家在现场进行了土壤分析，以提供作物轮作的建议。