fertilizer apparatus placement

例句：

1. 1. Thefarmer carefully placed the fertilizer apparatus in the field.
   农民小心翼翼地将肥料装置放在田地里。
2. 2. Theengineer had to place thefertilizer apparatuscorrectly to ensure effective use.
   工程师必须正确地放置肥料装置，以确保有效使用。
3. 3.The plant scientist placed the fertilizerapparatus at the right location tooptimize growth.
   植物科学家将肥料装置放置在合适的位置，以优化生长。