几种调控措施对宁夏南部黄土丘陵区退化草地改良效果的研究幾種調控措施對寧夏南部黃土丘陵區退化草地改良效果的研究 궤충조공조시대저하남부황토구릉구퇴화초지개량효과적연구 Improving Effect of Degraded Grassland under Several Control Strategies in the Loess Hilly of Southern Ningxia
万方数据
黑龙江畜牧兽医黑龍江畜牧獸醫흑룡강축목수의 HEILONGJIANG JOURNAL OF ANIMAL SCIENCE AND VETERINARY MEDICINE 2006年7期55-56,共2页
