已入深夜,您辛苦了!由于当前在线用户较少,发布求助请尽量完整地填写文献信息,科研通机器人24小时在线,伴您度过漫漫科研夜!祝你早点完成任务,早点休息,好梦!

Microbial Community Profiles and Activities among Aggregates of Winter Fallow and Cover-Cropped Soil

矿化(土壤科学) 微生物种群生物学 土壤水分 覆盖作物 呼吸 农学 土壤呼吸 环境科学 化学 动物科学 生态学 生物 土壤科学 植物 遗传学 细菌
作者
Mary E. Schutter,Richard P. Dick
出处
期刊:Soil Science Society of America Journal [Wiley]
卷期号:66 (1): 142-142 被引量:72
标识
DOI:10.2136/sssaj2002.0142
摘要

Soil Science Society of America JournalVolume 66, Issue 1 p. 142-153 Division S-3 - Soil Biology & Biochemistry Microbial Community Profiles and Activities among Aggregates of Winter Fallow and Cover-Cropped Soil Mary E. Schutter, Mary E. Schutter Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, 80523Search for more papers by this authorRichard P. Dick, Corresponding Author Richard P. Dick Richard.Dick@orst.edu Dep. of Crop and Soil Science, Oregon State Univ., Corvallis, OR, 97331Corresponding author (Richard.Dick@orst.edu)Search for more papers by this author Mary E. Schutter, Mary E. Schutter Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO, 80523Search for more papers by this authorRichard P. Dick, Corresponding Author Richard P. Dick Richard.Dick@orst.edu Dep. of Crop and Soil Science, Oregon State Univ., Corvallis, OR, 97331Corresponding author (Richard.Dick@orst.edu)Search for more papers by this author First published: 01 January 2002 https://doi.org/10.2136/sssaj2002.1420Citations: 96 Published as Paper No. 11590 of the Oregon Agric. Exp. Stn., Oregon State Univ., Corvallis, OR. Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Abstract Microorganisms and their activities can be heterogeneously distributed among soil aggregates, and their distribution may change in response to management practices that affect aggregate formation. In this study, aggregates of a winter fallow and winter cover-cropped soil were analyzed over time for microbial biomass (MBC), respiration, and N mineralization potential. Communities were characterized across aggregate sizes according to their extractable fatty acid methyl ester (FAME) profiles and Biolog substrate utilization patterns. Size distribution of soil aggregates and total N in aggregates changed over time. The percentage of the largest aggregate size fraction (2.0–5.0 mm) declined from March to August, whereas the percentage of 0.25- to 2.0-mm aggregates increased. For aggregates <2.0 mm, total N was greatest in July compared with other sampling dates. Cover crop residues enhanced MBC, respiration, and N mineralization in whole soils and aggregates, and shifted microbial community FAME profiles. Microbial respiration, MBC, and N mineralization were greatest in the intermediate aggregate size fractions, although specific distribution patterns changed over time or in response to cover crops. Community FAME structure was correlated with total C and N, MBC, respiration, and N mineralization potential. Some FAMEs, including i17:0, 10Me16:0, 19:0 cy, and 18:2ω6c, varied among soil aggregates, and communities were classified according to aggregate size class by canonical discriminant analysis. Community Biolog substrate utilization patterns changed over time but were not affected strongly by aggregate size. Lack of community differentiation may be due to the frequent mixing of soil during cultivation and tillage events, whereby microbial communities become evenly distributed among soil aggregates. Citing Literature Volume66, Issue1January 2002Pages 142-153 RelatedInformation
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
小羊咩完成签到 ,获得积分0
4秒前
漱石枕流完成签到 ,获得积分10
8秒前
辛夷发布了新的文献求助10
15秒前
16秒前
lili完成签到 ,获得积分10
17秒前
sugarballer完成签到 ,获得积分10
20秒前
22秒前
yx_cheng应助lizigongzhu采纳,获得30
23秒前
彭于晏应助负责的妙松采纳,获得10
28秒前
33秒前
负责的妙松完成签到 ,获得积分20
34秒前
芝士奶盖有点咸完成签到 ,获得积分10
37秒前
聪慧的乌完成签到,获得积分10
42秒前
wfrg完成签到 ,获得积分10
46秒前
打打应助FXY采纳,获得10
50秒前
沉静安荷发布了新的文献求助20
51秒前
刻苦的小土豆完成签到 ,获得积分10
55秒前
jackone发布了新的文献求助10
56秒前
Liufgui应助科研达人采纳,获得10
59秒前
1分钟前
小熊发布了新的文献求助10
1分钟前
1分钟前
鲤鱼安青完成签到 ,获得积分10
1分钟前
FXY发布了新的文献求助10
1分钟前
1分钟前
1分钟前
1分钟前
开霁完成签到 ,获得积分10
1分钟前
Christian完成签到,获得积分10
1分钟前
霜鸣发布了新的文献求助10
1分钟前
江氏巨颏虎完成签到,获得积分10
1分钟前
jackone完成签到,获得积分10
1分钟前
罗实完成签到 ,获得积分10
1分钟前
沉静安荷完成签到,获得积分10
1分钟前
汉堡包应助WZ采纳,获得10
1分钟前
1分钟前
大白完成签到 ,获得积分10
1分钟前
小潘完成签到 ,获得积分10
1分钟前
1分钟前
仓鼠球发布了新的文献求助30
1分钟前
高分求助中
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
A new approach to the extrapolation of accelerated life test data 1000
ACSM’s Guidelines for Exercise Testing and Prescription, 12th edition 500
Indomethacinのヒトにおける経皮吸収 400
Phylogenetic study of the order Polydesmida (Myriapoda: Diplopoda) 370
基于可调谐半导体激光吸收光谱技术泄漏气体检测系统的研究 350
Robot-supported joining of reinforcement textiles with one-sided sewing heads 320
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3990008
求助须知:如何正确求助?哪些是违规求助? 3532034
关于积分的说明 11256121
捐赠科研通 3270913
什么是DOI,文献DOI怎么找? 1805105
邀请新用户注册赠送积分活动 882270
科研通“疑难数据库(出版商)”最低求助积分说明 809216