Land application of biosolids to restore disturbed western rangeliuids
作者单位：Utah State University Cooperative Extension 151 North MainTooeleUtah84074 USA Department of Civil and Environmental Engineering Utah State University1405 Mount Logan DriveLogan Utah84321USA
会议名称：《ⅩⅪ International Grassland Congress and the Ⅷ International Rangeland Congress》
会议日期：2008年
学科分类：090503[农学-草业科学] 0909[农学-草学] 0905[农学-畜牧学] 09[农学] 0903[农学-农业资源与环境]
关 键 词：biosolids agronomic rate disturbed rangelands lime stabilized
摘 要：正Introduction Many rangelands in the western *** been degraded through improper *** are an inexhaustible resource that can be utilized to restore disturbed *** of biosolids poses little threat to groundwater resources in areas with adequate groundwater depth because evapotranspiration generally exceeds total precipitation（Evans et al.,2001;Harris-Pierce et al.,1995）.The current study compared effects of biosolids application to disturbed rangelands.