| 冬春季植被残体覆盖对内蒙古河套地区盐碱土盐分的影响 |
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| 引用本文： | 肖弘扬,温国昌,林启美,李贵桐,赵小蓉. 冬春季植被残体覆盖对内蒙古河套地区盐碱土盐分的影响[J]. 干旱地区农业研究, 2018, 36(2): 23-26 |
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| 作者姓名： | 肖弘扬 温国昌 林启美 李贵桐 赵小蓉 |
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| 作者单位： | 中国农业大学资源与环境学院 |
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| 基金项目： | 国家十二五科技支撑计划项目“河套地区盐碱地耐盐植物高效利用与生态修复模式研究与示范”(2013BAC02B06) |
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| 摘 要： | 春季是内蒙古河套地区土壤返盐和积盐最严重的季节。本研究在内蒙古河套地区典型盐渍化土壤上设置田间试验,比较紫花苜蓿、羊草、碱茅、柳枝稷、草木樨、猪毛菜和燕麦植株残体冬春季地表覆盖下,表层土壤pH及盐分含量的差异,以期筛选出合适的冬春季植被。结果表明,冬春季植被残体地表覆盖抑盐效果明显,表层土壤EC值降低了42%~73%,平均为61%,这可能是由于Na~+、K~+、Ca~(2+)、Mg~(2+)及Cl~-含量降低所致;但土壤pH值、CO_3~(2-)和HCO~(3-)含量有所升高。总体来看,多年生植被残体覆盖抑制盐分表聚的效果更好一些,其中紫花苜蓿、羊草和柳枝稷,较适于用作本地区冬春季地表覆盖植被。
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| 关 键 词： | 内蒙古河套；盐碱土；植被覆盖；盐分 |
Effects of winter and spring plant residue mulching on saline soil salt in Hetao Inner Mongolia |
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| XIAO Hong-yang,WEN Guo-chang,LIN Qi-mei,LI Gui-tong,ZHAO Xiao-rong. Effects of winter and spring plant residue mulching on saline soil salt in Hetao Inner Mongolia[J]. Agricultural Research in the Arid Areas, 2018, 36(2): 23-26 |
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| Authors: | XIAO Hong-yang WEN Guo-chang LIN Qi-mei LI Gui-tong ZHAO Xiao-rong |
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| Affiliation: | College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China,College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China,College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China,College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China and College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China |
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| Abstract: | |
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| Keywords: | Hetao Inner Mongolia saline soil plant residues multhing salt |
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