从西北地区看草地生态保护与建设的重要性——云南省草地学会赴西北四省区草地畜牧业考察报告從西北地區看草地生態保護與建設的重要性——雲南省草地學會赴西北四省區草地畜牧業攷察報告 종서북지구간초지생태보호여건설적중요성——운남성초지학회부서북사성구초지축목업고찰보고 The importance of grassland protection and establishment——The visiting report in four provinces of North-Western China by Yunnan Grassland Association
