[1]王国义　张培英　孙聪殊　沈昌蒲.大豆肥田机制的研究Ⅳ.大豆对耕层土壤微形态的动态影响[J].大豆科学,2001,20(03):204-208.[doi:10.11861/j.issn.1000-9841.2001.03.0204]
　Wang Guoy i Zhang Peiying Sun Congshu Shen Changpu.STUDY ON THE MECHANISMOF SOYBEANS FERTILIZING SOILⅣ The dy namic effect of soybean on micromorphology of The tilth soil[J].Soybean Science,2001,20(03):204-208.[doi:10.11861/j.issn.1000-9841.2001.03.0204]
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大豆肥田机制的研究Ⅳ.大豆对耕层土壤微形态的动态影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第20卷 期数: 2001年03期 页码: 204-208 栏目: 出版日期: 2001-08-25
Title:
STUDY ON THE MECHANISMOF SOYBEANS FERTILIZING SOILⅣ The dy namic effect of soybean on micromorphology of The tilth soil
文章编号:
1000 -9841(2001)03 -204 -05
作者:
王国义　张培英　孙聪殊　沈昌蒲
东北农业大学, 哈尔滨150030
Author(s):
Wang Guoy i 　Zhang Peiying 　Sun Congshu 　Shen Changpu
Northeast Agricul tural University 150030
关键词:
大豆; 代谢培养液; 土壤微形态; 团聚体
Keywords:
Soybean ; Cultural solution ; Micromo rphology of tilth soil; Agg regate
分类号:
S
DOI:
10.11861/j.issn.1000-9841.2001.03.0204
文献标志码:
A
摘要:
本研究采取培养液法和偏光显微镜法研究了大豆对耕层土壤形态的动态影响。结果表明,1 、以大豆根系代谢培养液处理干筛1 -2mm 团聚体, 可使其14 %成为水稳性团聚体, 达到1 %的显著水平。2 、耕层土壤的团聚体品质及其垒结状况的改善是随着大豆生育进程逐渐形成的;尢以大豆苗期和开花期的两个代谢高峰为耕层土壤团聚体品质的改善提供的胶结物质最多;随着大豆的生长发育, 其根系的穿插, 挤压作用为耕层土壤复合性团聚体的形成提供了动力。
Abstract:
Metabolic cultural solution method and polarizing microscopic techniques selected fo r this ex periment .The results are as follow s :①Exudates and mat ters in the metabolic cultural solution of soybean root are cementingagent to improve the quality of soil aggreg ates , w hich reachs the level of 1 %sing nificance .②The dy namiceffecf of soybean on micromo rphology of t ilth soil show s it changes the simple aggregates of co rn stubble field toround or ellipse shape and multidegree cmpound ag gregates and multidegree pore space w ithis soybean variousg row ing stages .③The colloid cementing compound aggreg ates is the abscission substance , secretion and the decayedold roo ts .The motive force to multistage aggergates is the action of penct ration , keeping apart and squeezingby soy bean new root s .

参考文献/References:

1　刘美金, 琚忠和, 吴跃忠.丰产大豆的施肥、管理及其效果[ J] .土壤肥料, 1988 , 2 .

2 　Rovira A .D.Diff esion of carbon compound aw ay f rom wheat root s[ J] .Aust .J .Biol Sci.1969 , 22 :1287 -1290.
3　Jamcu ra V , Hovadlk A.Root exudates of plant s 2 com position ofroot exudat es of some vegetables[ J] .Plant soil 1965 , 22 :21 -32.
4　Harris R.F , Chest ers G Anon D .N .Dynamics of soil aggregation[ J] .Adv .Agron .1966 , 18 :107 -169 .
5 　S kidmore W.A ., Carstenson W .A, Banbury E .F .Soil changes resultingf rom cropping[ J] .Soil S ci.Soc.Am .J 1975 , 39 :964 -967 .
6　Brow n D .A.Anw ar U.H .A porous membrane root culture t echniquef or growing plant s under cont rolled soi l condit ions[ J] .S oil Sci .Soc.Am .J .1984 , 48 :692 -695 .

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备注/Memo

作者简介:王国义(1961 -1993), 男, 农学硕士, 从事耕作制度方面的土壤微形态研究。

更新日期/Last Update: 2016-12-29