|Table of Contents|

Evolution of Sands Selenium Content of Two Types of Gravel-mulch Land

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年20
Page:
167-171
Research Field:
Publishing date:

Info

Title:
Evolution of Sands Selenium Content of Two Types of Gravel-mulch Land
Author(s):
YANG Haijiang; WANG Jianyu; PAN Jiaying
(College of Resources and Environment,Ningxia University,Yinchuan，Ningxia 750021)
Keywords:
gravel-mulch land; selenium; variation
PACS:
-
DOI:
10.11937/bfyy.201620044
Abstract:
In order to improve the sustainable use of gravel-sand mulched fields in the arid area in central Ningxia，the soil selenium and soil physiochemical properties of continuous (1 a,3 a,5 a,7 a,10 a,20 a,30 a) in Hongjuanzi village,Zhongwei city and Luoshan village,Haiyuan county of Ningxia Hui Autonomous Region.The resulting data was analyzed by the methods of One-way ANOVA and Pearson correlation analysis and principal component analysis the status selenium content of soil types in different sands，the variation of different pressure sand years selenium content，different variation of the depth of the content of selenium，and pressure sand correlation between selenium and soil physical and chemical characteristics.The results showed that the sand field soil content of selenium in the soil clay content was closely related，showed a significant positive correlation.Even with increased cropping year，the selenium content was generally two sandy field soil decreased，pressure sand 10 a situation was the worst.Two pressure sand gradually increased with soil depth increas.Both selenium sands and soil organic matter showed a significant positive correlation.Therefore，in the sand field cultivation process should be scientific and rational fertilization of farming，thereby maintaining pressure sand excellent characteristics and produce beneficial to human body health appropriate selenium content in selenium sand melon was of great significance.

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Last Update: 2016-12-07