soil particle culture method

例句：

1. 1. This method is widely used in agricultural research to improve soil quality.
   这种方法在农业研究中被广泛使用，以提高土壤质量。
2. 2. The soil particle culture method has been proven to be effective in promoting plant growth.
   土壤颗粒培养法已被证明对促进植物生长有效。
3. 3. In this experiment, we applied the soil particle culture method to test its effectiveness on different types of soil.
   在这个实验中，我们应用了土壤颗粒培养法来测试其对不同类型土壤的有效性。