这句话用英语怎么翻译？

包膜肥料是用物理方法在肥料表面包覆一层可以减小肥料溶解度的材料制成的。
英文：Coated fertilizers are made by physically coating a fertilizer with a layer of material that reduces the solubility of the fertilizer。

包膜肥料是用物理方法在肥料表面包覆一层可以减小肥料溶解度的材料制成的。

• Coated fertilizer in the fertilizer is possible physically to reduce the surface coating layer made the solubility of the fertilizer of that material.

• The coated fertilizer is made of a material that can be applied to the surface of the fertilizer to reduce the solubility fertilize by physical means.