[1]马献发,白路平,张继舟.哈尔滨市郊设施土壤积盐规律的研究[J].黑龙江农业科学,2009,(01):50-52.
　MA Xian-fa,BAI Lu-ping,ZHANGJi-zhou.Regularity of Salt Accumulation of Greenhouse Soil in Suburbs of Harbin[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(01):50-52.
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哈尔滨市郊设施土壤积盐规律的研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2009年01 页码: 50-52 栏目: 出版日期: 2009-01-10
Title:
Regularity of Salt Accumulation of Greenhouse Soil in Suburbs of Harbin
文章编号:
1002-2767(2009)01-0050-03
作者:
马献发1 ;  白路平2 ;  张继舟1
1 .黑龙江省科学院自然与生态研究所, 黑龙江哈尔滨150040;
2 .哈尔滨市香坊区农林水务局, 黑龙江哈尔滨150040
Author(s):
MA Xian-fa1 ; BAI Lu-ping2 ; ZHANGJi-zhou1
1.Natural Resources and Ecology Institute of Heilongjiang Academy of Sciences,Harbin 150040 ;
2 .Agriculture-Forest ry-Water Department of Xiangfang District of Harbin,Harbin ,Heilongjiang 150040
关键词:
设施土壤; 盐分; 规律
Keywords:
greenhouse soil; salt ; regularity
分类号:
X592
文献标志码:
A
摘要:
通过对哈尔滨市郊不同种植年限的设施栽培土壤耕层取样和典型土壤的分层取样研究, 结果表明, 设施土壤在种植3～ 5 a 后, 土壤耕层盐分积累比较迅速, 设施土壤与露地土壤电导率比值为3.97;在种植20～ 22 a 后, 设施土壤的盐分含量已是露地土壤的9.81 倍, 盐分积累严重。设施土壤中的离子组成中阳离子以Ca2 +居多, 阴离子以NO-3 为主,随着种植年限的增长, 土壤中盐分离子都呈现出积累的趋势。NO-3 、Ca2 +含量与电导率呈极显著的正相关(R=0.850＊＊ , R=0.955＊＊)。设施土壤中, 盐分的运移同时存在着明显的向底层迁移和向表层聚集两种方式, 但以表聚为主。
Abstract:
Based on sampling and analy zing fo r surface soils from different planting years and different layers typical g reenhousesoil in the suburbs of Harbin , the results indicated that the salt of surface soils accumulated quickly whose ratio of electricalconductivity between greenhouse soil and open-air soil was 3.97 after planting 3 ～ 5 years.After greenhouse soilplanted 20 ～ 22 years , the content of salt in g reenhouse had been 9.81 times as much as open-air soil.Of the composing ofsoluble salinity , the content of Ca2+was at most among cations , but NO-3 was at most among anions.The content of NO-3and that of Ca2+ respectively had very sig nificant po sitive correlation with electrical conductivity of greenhouse soil.Who secorrelatio n coefficients were 0 .850 and 0.955, respectively .Salinity transportation in greenhouse soil profile accumulated towardtopsoil and subsoil simultaneously , however , salt accumulation in surface soil was at most.

参考文献/References:

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备注/Memo

基金项目:黑龙江省科学院基金项目(2004-2007)

第一作者简介:马献发(1978-), 男, 黑龙江省克山县人,硕士, 助理研究员,主要从事土壤改良和植物营养方面的研究。E-mail:mxf7856@163 .com。

更新日期/Last Update: 2016-05-21