|本期目录/Table of Contents|

[1]王启龙,卢楠,魏样.不同改良措施对定边盐碱地土壤理化性质、黑麦草生长及产量的影响[J].江苏农业科学,2019,47(11):282-286.
 Wang Qilong,et al.Effects of different improvement measures on soil physicochemical properties and growth and yield of ryegrass in saline-alkali soils of Dingbian area[J].Jiangsu Agricultural Sciences,2019,47(11):282-286.
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不同改良措施对定边盐碱地土壤理化性质、
黑麦草生长及产量的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第11期
页码:
282-286
栏目:
资源与环境
出版日期:
2019-06-20

文章信息/Info

Title:
Effects of different improvement measures on soil physicochemical properties and growth and yield of ryegrass in saline-alkali soils of Dingbian area
作者:
王启龙123 卢楠123 魏样123
1.陕西省土地工程建设集团有限责任公司,陕西西安 710075; 2.陕西地建土地工程技术研究院有限责任公司,陕西西安 710075;
3.国土资源部退化及未利用土地整治工程重点实验室,陕西西安 710075
Author(s):
Wang Qilonget al
关键词:
脱硫石膏盐碱地黑麦草土壤理化性质重金属
Keywords:
-
分类号:
S156
DOI:
-
文献标志码:
A
摘要:
为探究不同改良措施改良盐碱地效果,采用田间试验和室内分析相结合的方法,以牧草和绿肥兼用型黑麦草作为供试作物,研究覆沙、覆秸秆和施加改良剂3种处理措施对重度盐碱地土壤结构、理化性质、黑麦草生长和产量的影响,以及施用脱硫石膏对0~20 cm土层土壤和黑麦草中重金属含量的影响。结果表明,与对照相比,通过改良措施0~20 cm土壤含盐量降低1.16~2.22 g/kg,pH值下降0.05~0.94,容重降低0.06~0.12 g/cm3,土壤理化性状得到改善;黑麦草出苗率提高43.35%~69.95%,3茬黑麦草鲜草总产量提高34.24%~92.04%;施用脱硫石膏会显著增加土壤中汞(Hg)、铅(Pb)、砷(As)和铬(Cr)的含量和黑麦草叶片中Pb、As、Cr的含量,但土壤重金属含量未超过GB 15618—1995《土壤环境质量标准》规定的二级土壤使用标准,黑麦草中重金属含量检测符合GB 13078—2001《饲料卫生标准》的规定。此外,本研究还表明,对于定边县盐碱地3种盐碱地改良措施以施加脱硫石膏效果最好,可在同类型盐碱地大力推广应用。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-01-30
基金项目:陕西省重点科技创新团队计划(编号:2016KCT-23)。
作者简介:王启龙(1990—),男,山东潍坊人,硕士,主要从事土地整治工程技术研究。E-mail:wql199008@126.com。
更新日期/Last Update: 2019-06-05