Shandong Peanut Research Institute Qingdao 266100 China;
Weifang Food and Drug Inspection and Testing Center Weifang 261100 China;
Wendeng District Agricultural Technology Extension Station of Weihai City Weihai 264404 China;
Yantai Academy of Agricultural Sciences Yantai 265500 China;
Peanut; Wheat interplanting; High yield cultivation;