minor nutrient

例句：

1. 1.Minor nutrients are essential for plant growth, and they can be found in many foods.
   次要营养元素对植物生长至关重要，它们可以在许多食物中找到。
2. 2. The soil's composition affects the availability of minor nutrients.
   土壤成分影响次要营养元素的可利用性。
3. 3.A balanced diet should include a variety of foods to ensure that we get all the necessary minor nutrients.
   均衡饮食应包括各种食物以确保我们获得所有必要的次要营养元素。