fused calcium magnesium phosphate

例句：

1. 1.The fertilizer is a key component in the production of high-quality agricultural products.
   这种肥料是生产高品质农产品的关键成分。
2. 2.The use of this type of fertilizer has significantly improved crop yields in many regions.
   这种肥料的使用显著提高了许多地区的作物产量。
3. 3.The farmer used this fertilizer to enhance the soil's nutrient content and improve plant growth.
   这位农民使用这种肥料来增加土壤的养分含量，并促进植物生长。