[1]李 楠,王志强,侯 帅,等.东北黑土侵蚀与施肥对大豆矿质元素含量的影响[J].大豆科学,2013,32(06):786-790.[doi:10.11861/j.issn.1000-9841.2013.06.0786]
　LI Nan,WANG Zhi-qiang,HOU Shuai,et al.Effects of Erosion and Fertilization on Mineral Elements Concentration in Soybean Seeds in the Northeast Black Soil Area[J].Soybean Science,2013,32(06):786-790.[doi:10.11861/j.issn.1000-9841.2013.06.0786]
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东北黑土侵蚀与施肥对大豆矿质元素含量的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第32卷 期数: 2013年06期 页码: 786-790 栏目: 出版日期: 2013-12-25
Title:
Effects of Erosion and Fertilization on Mineral Elements Concentration in Soybean Seeds in the Northeast Black Soil Area
作者:
?李 楠; 王志强; 侯 帅; 苟晓敏
?（北京师范大学 地理学与遥感科学学院，北京 100875）
Author(s):
?LI Nan; WANG Zhi-qiang; HOU Shuai; GOU Xiao-min
?(School of Geography,Beijing Normal University,Beijing 100875，China)
关键词:
土壤侵蚀; 大豆; 矿质元素; 施肥
Keywords:
Soil erosion; Soybean; Mineral elements; Fertilization
DOI:
10.11861/j.issn.1000-9841.2013.06.0786
文献标志码:
A
摘要:
?土壤侵蚀导致东北黑土退化，生产力下降。以黑河45为试验材料，模拟侵蚀深度为0，10，20，30，40，50，60和70 cm的施肥和不施肥试验设计，采用电感耦合等离子体光谱仪测定大豆籽粒矿质元素，研究了东北黑土侵蚀和施肥对大豆籽粒中10种矿质元素含量的影响。结果表明：土壤侵蚀情况下，大豆籽粒中Ca、Cu、Mg、Mn、Mo、Sr和K的含量有所增加；而Fe、Ni和Zn含量略有下降。除Mo外，单位面积大豆矿质元素含量随土壤侵蚀深度的增加均呈显著下降趋势。施肥使大豆籽粒中Ca、Cu、Fe、K、Mg、Mn、Ni和Zn含量增加，Sr含量不变，Mo含量减小，对Ca、Fe、Mn、Mo和Zn含量的影响程度随侵蚀深度的增加而增大。另外，施肥使单位面积大豆籽粒中绝大多数矿质元素的含量增加，只有Mo含量减少。
Abstract:
?Soil erosion leads to the degradation and productivity decline of black soil in northeast China,and its effect on mineral elements in seeds is less documented.This study designed simulated soil erosion depths of 0,10,20,30,40,50,60 and 70 cm,withor without fertilization,taking Heihe 45 as experimental material,and determined the content of ten mineral elements in soybean seeds by inductively coupled plasma atomic emission spectrometry(ICPAES).In the case of soil erosion,the average content of Ca,Cu,Mg,Mn,Mo,Sr and K increased,while Fe,Ni and Zn decreased slightly.With the increasing of soil erosion depth,nine mineral elements in soybean seeds per unit area decreased significantly,while Mo remained stable.Fertilization increased contents of Ca,Cu,Fe,K,Mg,Mn,Ni and Zn,and decreased Mo content,and its effects on Ca,Fe,Mn,Mo and Zn enhanced with the increase of erosion depth. Furthermore,fertilization improved the content of most mineral elements in soybean seeds per unit area except Mo.

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备注/Memo

?中央高校基本科研业务费专项资金；国家自然科学基金（40471082）。

更新日期/Last Update: 2014-04-04