Changes in soil organic carbon and total nitrogen in croplands coverted to walnut-based agroforestry systems and orchards in southeastern Loess Plateau of China
作 者：陆森，孟平，张劲松，尹昌君，孙世友
期刊名称：Environ Monit Assess
影响因子：1.679
卷 期 号：187
页 码：688
关键词：soil organic carbon; total nitrogen; agroforestry systems; walnut orchard; land use change
论文摘要：