机译:评估牧草和牲畜改良方案对小农农业企业的经济贡献的综合方法
Agriculture Flagship, Commonwealth Scientiifc and Industrial Research 0rganisation CSIR0, St Lucia 4072, Australia;
University of Queensland, St Lucia 4702, Australia;
Red Soils Experimental Station, Chinese Academy of Agricultural Sciences, Yongzhou 426182, P.R.China;