1. Academy of State Administration of Grain, 205351, Beijing, Beijing, China;
2. Academy of State Administration of Grain, Beijing, China;
3. Academy of State Administration of Grain, No.11 Baiwanzhuang Street, Beijing, 100037, P.R. China, Beijing, China, 100037;
4. Anhui Agricultural University, 12486, Hefei, Anhui, China;
5. Beijing Resources Yi Jia Group, Beijing, Beijing, China;