fertilizer analysis

例句：

1. 1.The soil test revealed that the soil is lacking in nitrogen.
   土壤测试显示土壤缺乏氮。
2. 2.The fertilizer analysis showed that the plant needs more phosphorus.
   肥料分析显示植物需要更多的磷。
3. 3. The agricultural researcher conducted a thorough fertilizer analysis to optimize the crop yield.
   农业研究员进行了彻底的肥料分析以优化作物产量。