pre-planting soil fumigant

例句：

1. 1.The pre-planting soil fumigant is an essential tool for controlling weeds in the garden.
   预种植土壤熏蒸剂是花园中控制杂草的必备工具。
2. 2. The farmers used this pre-planting soil fumigant to kill the weeds before they could grow.
   农民们使用这种预种植土壤熏蒸剂来杀死那些在它们长出来之前就已经被消灭的杂草。
3. 3.The pre-planting soil fumigant was effective in killing all the weeds in the field, leaving nothing behind.
   这种预种植土壤熏蒸剂在田地里非常有效，能够彻底消灭所有的杂草，不留任何痕迹。