potassium borate

例句：

1. 1. This fertilizer is a good source of potassium borate for plants.
   这种肥料是植物的良好来源的钾硼酸盐。
2. 2. The soil was tested to ensure it had enough potassium borate for the crops.
   土壤被测试以确保有足够的钾硼酸盐供作物使用。
3. 3. Potassium borate is often used as a preservative in food storage.
   钾硼酸盐常用于食品储存中的防腐剂。