This tracefertilizer has sufficient raw material, simple technology, low cost, extensive market and good benefit.
本微肥原料充足，工艺简单，造价低廉，市场广阔，效益好。
2
The trace element fertilizer rich in silicon was made and tested on the rice, sugarcane and peanut.
使用自制的富硅微量元素肥料对水稻、甘蔗、花生进行实验。
3
Trace elements fertilizer is rarely used in this region which leading to a decrease on the content of soil available iron, available Manganese, and available copper.