【作者】 史亮涛； 文亦芾；

【Author】 SHI Liang-tao WEN Yi-fu 1.Tropical and Subtropical Cash Research Institute,Yunnan Academy of Agricultural Sciences,Yuanmou 651300,China; 2.Pratacultural Sciences Department,Yunnan Agricultural University,Kunming 650201,China

【机构】 云南省农业科学院热带亚热带经济作物研究所； 云南农业大学草业科学系；

【摘要】 退耕还草是保持水土、改善生态环境的重要措施之一。通过对鹤庆县退耕还草地土壤理化性状及其植被覆盖情况的调查研究,结果表明,在植被覆盖下土壤容重、孔隙度发生明显变化,而土壤含水量及 pH 值则变化不明显。针对上述调查结果,提出建议与意见,以指导云南省退耕还草地生态环境的建设。更多还原

【Abstract】 Retarning cultivated land to grassland is one of the important measures for conserving soil and water and improv- ing ecological environment.The effects on soil characteristics and vegetation coverage was studied in Heqing county.The re- sults showed that the profitable effects of vegetation coverage on soft water content and pH.On the basis of the research rea- sonable proposals on returning cultivated land to grassland are put forward.更多还原