nitroferron

例句：

1. 1. This fertilizer contains nitroferron, which helps plants grow better.
   这种肥料含有硝酸铁，有助于植物生长得更好。
2. 2.The soil test showed that the nitroferron level was too high.
   土壤测试显示硝酸铁水平过高。
3. 3. Nitroferron is a common ingredient in plant fertilizers.
   硝酸铁是植物肥料中常见的成分。