烟草科技2019，Vol.52Issue(1)：29-36,8.
洛阳烟区典型土壤盐分剖面分布特征分析
Profile distribution characteristics of typical soil salinity in Luoyang tobacco-growing areas
摘要
Abstract
To investigate the profile distribution characteristics of soil salinity,100 soil samples were collected from 20 soil profiles in 4 main tobacco-producing counties in Luoyang City,Henan Province in 2017. The total salt content,ion composition and pH of the samples were measured,and their distribution characteristics were analyzed. The results showed that most samples were non-salinized soils,however slight salinization occurred in several soil layers. Ca2+ was the main cation,followed by K+; SO42- was the main anion. Soil pH ranged from 7.50 to 8.03. The total salt content significantly positively correlated to the contents of Ca2+,Mg2+,Na+,SO42- and Cl-. The 0-100 cm top layer of red clay soil was non-salinized soil, and the salt accumulated in soil surface. The yellow-cinnamon soil was non-salinized and slight salinized in 0-60 and 60-100 cm layers,respectively. Salt notably accumulated in the surface and bottom of soil.关键词
洛阳烟区/土壤/盐分/分布特征Key words
Luoyang tobacco-growing area/Soil/Salinity/Distribution characteristic分类
农业科技引用本文复制引用
..洛阳烟区典型土壤盐分剖面分布特征分析[J].烟草科技,2019,52(1):29-36,8.基金项目
贵州中烟工业有限责任公司科技项目"基于近红外光谱技术的烟草主要化学成分的数据检测标准研究"(GZZY/KJ/JS/2015DY017-1). （GZZY/KJ/JS/2015DY017-1）
