JIANG Tongxuan,HUANG Chao,LIU Juan,et al.Effect of Gypsum on Soil Salinity Salinization Migration Under Different Irrigation Amount[J].Northern Horticulture,2019,43(01):120-126.[doi:10.11937/bfyy.20181482]
不同灌量下脱硫石膏对盐碱土壤盐分运移的影响
- Title:
- Effect of Gypsum on Soil Salinity Salinization Migration Under Different Irrigation Amount
- Keywords:
- gypsum; different irrigation; saline-alkali soil; salt migration
- 文献标志码:
- A
- 摘要:
- 以燃煤电厂脱硫石膏为试材，采用土柱模拟试验方法，研究不同灌水量下脱硫石膏对盐碱土壤盐分运移的影响，以期探究脱硫石膏最佳淋洗灌水量。结果表明：不同灌水量下0~20 cm土层Na+含量均呈降低的趋势，灌水量为田间持水量85%（T85%）在各层土壤pH、碱化度、电导率、Na+含量均最低。施加脱硫石膏后0~20 cm土层Ca2+增加，不同灌水量下Ca2+含量整体表现为T85%
- Abstract:
- The effect of desulphurized gypsum from coal-fired power plant on salt transport in saline-alkali soil under different irrigation amount were researched by soil column simulation test,in order to explore desulphurization gypsum best rinse irrigation water.The results showed that the content of Na+ in 0-20 cm soil layer decreased under different irrigation amount,and the pH,alkalinity,conductivity and Na+ content in each layer were the lowest when the irrigation amount was 85% of field capacity (T85%).Ca2+ content in 0-20 cm soil layer increased after applying desulfurization gypsum,and the overall Ca2+ content was T85%
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备注/Memo
第一作者简介：姜同轩（1995-），男，江苏赣榆人，硕士研究生，研究方向为农业生态环境。E-mail：1538302002@qq.com.责任作者：张凤华（1970-），女，博士，教授，博士生导师，现主要从事干旱区资源与环境等研究工作。E-mail：zfh2000@126.com.基金项目：兵团科技攻关与成果转化资助项目（2016AD022）；国家重点研发计划资助项目（2016YFC0501406）。收稿日期：2018-07-12