fertilizer expenses

例句：

1. 1. The cost of fertilizers has increased significantly in recent years.
   近年来，肥料的成本显著增加。
2. 2. The company's profitability is closely linked to the efficiency of its fertilizer usage.
   公司的盈利能力与其肥料使用效率密切相关。
3. 3. The farmers are trying to reduce their fertilizer expenses without compromising on crop yield.
   农民们正试图在不牺牲作物产量的情况下减少他们的肥料开支。