[1]马和平　龚振平　王国义　焦景宇　岳才军　沈昌蒲.大豆肥田机制的研究Ⅴ.大豆对耕层土壤结构性的影响[J].大豆科学,2001,20(04):257-261.[doi:10.11861/j.issn.1000-9841.2001.04.0257]
　Ma Heping Gong Zhenping Wang Guoy iJiao Jingyu Yue Caijun Shen Changpu.STUDY ON THE MECHANISM OF SOYBEAN’ S FERTILIZING SOIL 5 .The effect of soybean on thestructure of the tilith soil[J].Soybean Science,2001,20(04):257-261.[doi:10.11861/j.issn.1000-9841.2001.04.0257]
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大豆肥田机制的研究Ⅴ.大豆对耕层土壤结构性的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第20卷 期数: 2001年04期 页码: 257-261 栏目: 出版日期: 2001-11-25
Title:
STUDY ON THE MECHANISM OF SOYBEAN’ S FERTILIZING SOIL 5 .The effect of soybean on thestructure of the tilith soil
文章编号:
1000 -9841(2001)04 -0257 -05
作者:
马和平　龚振平　王国义　焦景宇　岳才军　沈昌蒲
东北农业大学哈尔滨150030
Author(s):
Ma Heping 　Gong Zhenping 　Wang Guoy i　Jiao Jingyu 　Yue Caijun 　Shen Changpu
Northeast Agricultural University , Harbin 150030
关键词:
大豆; 土壤结构; 水稳性指数; 当量孔径孔隙
Keywords:
Soybean ; Soil st ructure ; Water stable aggergate ; Water stable index ; Equivalent pore
分类号:
S 565.1S 158.3
DOI:
10.11861/j.issn.1000-9841.2001.04.0257
文献标志码:
A
摘要:
在大豆盛花期和结荚期, 土壤水稳性团聚体数量达到最大值, 比苗期增加30 %。玉米区土壤在同一时期水稳性团聚体也达到最大值, 比苗期增加23 %。但在收获期, 大豆区水稳性团聚体比苗期增长16 %, 而玉米区却减少33 %。大豆区团聚体(0.5 -1mm 和1 -2mm 粒径)对水的稳定性指数比玉米高17.5 %。从水分能量观点出发, 易于被作物从中吸收有效水分的0.05 -0.01mm和0.01 -0.05mm 的孔径孔隙, 大豆区始终高于玉米区。作物吸收水分较困难的>0.05mm 和<0.005mm 孔径孔隙, 在大豆生育期中迅速减少, 至收获期仍低于玉米区。
Abstract:
The co ntent of soil w ater stable agg regates reaches the max imum value during soybean blooming andpodding stage , w hich is 31 .7 % hig her than it’ s seedling stage .The co rn plot also reaches the maximum valueat the same stage , w hich is 22 .9 % hig her than it’ s seedling stage .During the soybean havesting stage , thestable aggregates are 15 .9 % higher than i t’ s seedling stage and the corn plot decreases by 32 .8 %.The waterstable index(0 .5 -1mm and 1mm -2mm aggregates)is 17 .5 % higher than corn plo t .From the point of waterenergy , the w ater in w hich may be easy to be absorbed by root , soybean , plot is hig her than corn plot all along .

参考文献/References:

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2 　姚贤良.土壤结构的肥力意义[ J] .土壤学报, 1965 , Vol.13 , 111-120.
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4 　柯福源.水对土壤结构稳定性试验方法的探讨[ J] .土壤通报,1982 ,(4):219 -225.
5 　徐福安.介绍一种测定土壤孔隙的新装置[ J] .土壤, 1983 ,(1):17 -20.
6 　汪炎炳, 刘安奎.关于有机物改土和不同耕法对土壤肥力影响的初步探讨[ C] .黑龙江省国营农场耕作制度农艺流程调整与改革学术讨论会论文选编, 1982 , 86 -92.
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备注/Memo

作者简介:马和平(1949 -), 男, 农学硕士, 从事耕作制度方面土壤水分动态研究。

更新日期/Last Update: 2016-12-29