[1]闫波.大荔县范家镇盐碱地土壤还原性物质毒害分析[J].黑龙江农业科学,2017,(09):33-36.[doi:10.11942/j.issn1002-2767.2017.09.0033]
　YAN Bo.Analysis of Reducing Substance Toxicity of Saline Soil in Fanjia Town of Dali County[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(09):33-36.[doi:10.11942/j.issn1002-2767.2017.09.0033]
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大荔县范家镇盐碱地土壤还原性物质毒害分析

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2017年09期 页码: 33-36 栏目: 出版日期: 2017-09-10
Title:
Analysis of Reducing Substance Toxicity of Saline Soil in Fanjia Town of Dali County
文章编号:
1002-2767（2017）09-0033-04
作者:
闫波1; 2; 3; 4
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重点实验室，陕西 西安 710075；4.陕西省土地整治工程技术研究中心，陕西 西安 710075
Author(s):
YAN Bo1; 2; 3; 4
1.Shaanxi Provincial Land Engineering Construction Group Limited Company Xi′an,Shaanxi 710075; 2.Institute of Land Engineering and Technology,Shaanxi Provincial Land Engineering Construction Group Limited Company Xi′an,Shaanxi 710075；3.Key Laboratory of Degraded and Unused Land Consolidation Engineering,the Ministry of Land and Resources,Xi′an,Shaanxi 710075; 4.Shaanxi Provincial Land Consolidation Engineering Technology Research Center,Xi′an,Shaanxi 710075
关键词:
还原性物质; 硫化物; 水稻; 毒害作用
Keywords:
reducing substance; sulphide; rice; toxic action
分类号:
S287
DOI:
10.11942/j.issn1002-2767.2017.09.0033
文献标志码:
A
摘要:
为合理开发利用盐碱地、提高粮食品质，以大荔县范家镇盐碱地为例，将田块分为F1、F2两部分，分别采集0~30 cm土壤并测定分析其理化性质，根据水稻长势将育苗期内水稻分为长势正常、未萌发2类，分别采集育苗期苗盘土壤，分析秧苗生长发育的障碍性因子。结果表明：盐碱地土壤为碱性，有机质、速效钾含量处于丰富水平以上，全氮、有效磷含量处于缺乏水平；盐碱地Fe2+、Mn2+含量处于毒害水平，部分地块还原性硫化物处于有害水平；秧苗长势正常的苗盘土壤电导率、全盐、硫化物含量显著低于秧苗未萌发的苗盘土壤，秧苗未萌发的苗盘土壤电导率、全盐、硫化物含量分别是秧苗长势正常的苗盘土壤的2.68、2.28和2.52倍，盐分、硫化物过高是抑制水稻正常生长发育的重要因素。
Abstract:
In order to exploit and utilize saline land reasonably and improve the quality of grain,take the saline soil of Fanjia town of Dali county as an example,the field was divided into two parts: F1,F2,soil samples from 0~30 cm were collected and their physicochemical properties were determined.According to the growth of rice,the rice in seedling stage could be divided into 2 categories: normal growth and no germination,the soil of seedling tray was collected,and the obstacle factors of seedling growth were analyzed.The results showed that the saline alkali soil was alkaline,content of organic matter,available potassium was rich level,content of total nitrogen,available phosphorus was in the lack; Fe2+,Mn2+content of saline alkali soil was the level of toxicity,some plots of reduced sulfur was harmful level;conductivity and content of total salt,sulfur in soil with normal seedling were significantly lower than that of non germinated seedling soil,conductivity and content of total salt and sulfide seedling tray soil with non germinated seedling were tray 2.68,2.28 and 2.52 times of that of soil with normal seedling,therefore high salinity and sulfide was an important factor to inhibit the normal growth and development of rice.

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备注/Memo

收稿日期：2017-07-22基金项目：陕西省重点科技创新团队计划资助项目（2016KCT-23），陕西省土地工程建设集团集团内部资助项目（DJNY2017-17）作者简介：闫波（1990-），男，山东省德州市人，硕士，助理工程师，从事土地整治工程技术研究。E-mail:sdyanbo@163.com。

更新日期/Last Update: 2018-01-31