Trace elements in agricultural fertilizer 20KG Qiaoqiao 
 Nutritional content: ≥ 21% of calcium magnesium ≥ 4% sulfur ≥ 4% silicon ≥ 8% ≥ 2% of trace elements 
 ≥ 3% chitin 
 Yifeng Bio-technology Co., Ltd production of "Yifeng source", "Mexican village Jade" "thought to favor" series fertilizer plant in general, can solve problems that arise during the eight. 
 1 is not sweet, fruit is not fragrant, tasteless food problems. 
 (2) qualified organic tea, organic rice production problems 
 3 food safety, carcinogens, ecological balance problems. 
 4 can inhibit the production of fruit and vegetable pest problems occur. 
 5 soil permeability and enhance its ability to retain water and fertilizer problems. 
 6 drought, waterlogging, frost. Extend the production cycle problems 
 7 lack of trace elements and microbial problems. 
 8 radical "worm" growth issues.