(America)University of Nebraska

(America)Taxas A ＆ M University

(America)University of Wyoming

(America)Eastern New Mexico University

(America)Columbia Basin College

(America)USDA-ARS Jornada Experimental Range,New MEXICO

(Britain)Luton University

(Japan)University of Tokyo

(Japan)Utsunomiya University

(Japan)Okayama University

(Japan)Gifu University

(Japan)Kochi University

(Japan)Meijo University

(Japan)Ehime University

(Japan)Hokkaido Rakunogakuen University

(Japan)Tottori University

(Japan)Niiggata Sangyo University

(Canada)The Faculty of Agriculture, Forestry and Home Economics of Alberta University

(Canada)University of Saskatchwan

(Russia)Irkutsk State Civil Agricultural Academy

(Russia)Rostov State Civil Engineering University

(Russia)Buriyat Agricultural Institute

(Norway)Institute for Water Research

(Sweeden)Environmental Research Institute

(Australia)University of Sydney

(Netherlands)Wageningen Agricultural University

(Malaysia)Institut Putra,Kumpulan Langkawi Resorts

(The Republic of Mongolia)State Agricultural University