[1]李亚贞,肖国滨,肖小军,等.培肥和耕作措施季节性干旱下对红壤剖面水分变化和产量的影响[J].水土保持研究,2014,21(06):78-83.
　LI Ya-zhen,XIAO Guo-bin,XIAO Xiao-jun,et al.Effects of Fertilization and Tillage Patterns on the Dynamic of Soil Profile Moisture Content and Corn Yield in Red Soil Under Seasonal Drought Conditions[J].Research of Soil and Water Conservation,2014,21(06):78-83.
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培肥和耕作措施季节性干旱下对红壤剖面水分变化和产量的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年06期 页码: 78-83 栏目: 出版日期: 2014-12-28
Title:
Effects of Fertilization and Tillage Patterns on the Dynamic of Soil Profile Moisture Content and Corn Yield in Red Soil Under Seasonal Drought Conditions
作者:
李亚贞1, 肖国滨1, 肖小军1, 钟义军1, 陈明1, 夏桂龙2, 黄欠如1
1. 国家红壤改良工程技术研究中心 农业部江西耕地保育科学观测实验站 江西省红壤研究所, 江西 进贤 331717;
2. 江西省邓家埠水稻原种场, 江西 余江 335200
Author(s):
LI Ya-zhen1, XIAO Guo-bin1, XIAO Xiao-jun1, ZHONG Yi-jun1, CHEN Ming1, XIA Gui-long2, HUANG Qian-ru1
1. National Engineering and Technology Research Center for Red Soil Improvement, Scientific Observational and Experimental Station of Arable Land Conservation in Jiangxi, Ministry of Agriculture, Jiangxi Institute of Red Soil, Jinxian, Jiangxi 331717, China;
2. Plantation of Dengjia Town of Jiangxi Province, Yujiang, Jiangxi 335200, China
关键词:
季节性干旱; 红壤; 稻草覆盖; 土壤剖面水分; 玉米产量
Keywords:
seasonal drought; red soil; straw coverage; soil profile moisture content; corn yield
分类号:
S152.7;S344
摘要:
为了探讨培肥和耕作措施下红壤旱地的土壤剖面水分变化和产量对季节性干旱的响应规律，本研究在大田试验条件下系统分析了稻草覆盖、有机肥和常免耕对土壤剖面含水量、表层土壤温度及作物产量变化趋势。结果表明，在猪粪施用、常耕和免耕处理的土壤含水率不存在显著差异。而在相同耕作和猪粪条件下，稻草覆盖与否对土壤含水量影响较大，在春玉米和秋玉米季中连续干旱条件下，稻草覆盖处理下0—5，5—10，10—20 cm土壤含水量均高于不覆盖处理，稻草覆盖处理下0—5，5—10，10—20 cm土壤含水量均高于不覆盖处理，春玉米季的增幅分别为27.93%，5.91%，1.41%，秋玉米季分别为15.74%，7.71%，2.59%。同时，稻草覆盖可以显著影响表层土壤的温度变化，在春玉米开花期，0—10 cm和10—20 cm的土壤温度覆盖比不覆盖分别降低了13.92%和2.26%。在秋玉米开花期0—10 cm和10—20 cm的土壤温度覆盖比不覆盖分别降低了0.30%和2.69%。在所有处理中，春玉米和秋玉米季均表现出稻草覆盖+施猪粪+常耕的秸秆和籽粒产量最高。
Abstract:
In order to explore effects of different fertilization and cultivation ways on soil profile moisture content and corn yield in red soil under seasonal drought conditions, the field experiment was launched in 2012 which includes treatments of straw coverage, pig manure, tillage. Soil profile moisture content, soil temperature in continuous drought and grain yield of spring and autumn corns were analyzed. The results showed that under the same cultivation and pig manure condition, soil profile moisture content was affected significantly by straw cover or no cover. Compared with no straw cover, the soil water contents in 0—5 cm, 5—10 cm, 10—20 cm of straw coverage increased by 27.93%, 5.91% and 1.41%, respectively, in the period of spring corn growth, and the increment rates were 15.74%, 7.71%, 2.59% in autumn corn. Meanwhile, the straw coverage could significantly increase surface soil temperature at corn flowering stage, the soil temperatures in 0—10 cm and 10—20 cm of straw coverage reduced by 13.92% and 2.26%, respectively, in spring corn, and they decreased by 0.30% and 2.69% respectively in autumn corn. In all treatments, the biomass and grian yield were the highest when straw coverage, pig manure and tillage were combined in spring and autumn corn.

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备注/Memo

收稿日期:2014-04-14;改回日期:2014-05-24。
基金项目:“十二五”国家科技支撑”红壤耕地次生障碍修复技术研究与集成示范”（2011BAD41B01-3）。
作者简介:李亚贞(1984-),女,河南虞城人,硕士,助理研究员,研究方向:作物生理生态。E-mail:liyazhen626@163.com
通讯作者:黄欠如(1966-),男,江西樟树人,博士,研究员,研究方向:主要从事资源与环境研究。E-mail:qianruhuang@163.com

更新日期/Last Update: 1900-01-01