Clay contains available nutrient elements.
粘土会有有用的营养元素。
Generally, the available state of the major nutrient elements is larger than their critical value for plant with potential nutrient deficiency.
主要微量营养元素的有效态多大于其缺素临界值，但存在潜在缺素的可能性。
Through checking the available contents of trace elements in typical diets with the nutrient requirement of swine and chicken, whether the elements are surplus or deficient is discriminated.
经用典型日粮配方计算，再与猪、鸡营养需要量比较，对我省猪、鸡饲料中微量元素的盈缺作出了判定。
应用推荐