Some farmers of Qifei Vegetable Professional Cooperative of Pinghe Village, Yizhang County were working hard on fertilizing the bolts on the fields. It was introduced by one of the farmers of the professional cooperative that he cultivated over 30mu bolts this year with the yields of 1500kgs/mu. According to the market situation, he can gain more than 3000yuan/mu profits by selling all bolts to Guangdong Province, accounting for 100,000yuan in total.