[1] Shandong Agr Univ, Coll Resources & Environm, Key Lab Agr Environm Univ Shandong, 61 Daizong Rd, Tai An 271018, Peoples R China
[2] Shandong Agr Univ, Coll Water Conservancy & Civil Engn, 61 Daizong Rd, Tai An 271018, Peoples R China
[3] Dezhou Univ, Expt Management Ctr, 566 Univ West Rd, Dezhou 253023, Peoples R China
[4] Shandong Agr Univ, 61 Daizong Rd, Tai An 271018, Peoples R China