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喀斯特关键带水土介质中氮运移机制研究-以后寨河流域为例 学位论文
中国科学院地球化学研究所: 中国科学院大学, 2019
作者: 王忠军

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喀斯特关键带氮运移硝酸盐同位素

基于高分辨质谱的土壤溶解性有机质化学多样性研究 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者: 李晓明

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土壤溶解性有机质，化学多样性，微生物多样性，傅立叶变换离子回旋共振质谱 decreased WIth IncreasIng Iron ComplexIng Index. PAtterns In Molecular PrOfiles IndicAted Dom In Paddy Soils To Become More RecalcItrAnt At Higher Soil C/n rAtio And Higher Soil Ph. furTherMore, PlAnt-derived polyPh.nols And Pyrogenic Dom Were retaIned Favorably By Iron And The ChemodiversIty Of Dom In Paddy Soil Increased WIth IncreasIng Soil C/n rAtios. These Results Provide Novel InFormAtion regardIng Dom Characteristics At a Molecular Level And Will InForm Better Global MAnagement Of Soil Carbon In Paddy Soil EcosysteMs Global. 2) Through The applicAtion Of Ft-icr-Ms, The ChemodiversIty Of Dom In Soil Subjected To Long-term OrgAnic Carbon And InOrgAnic Fertilizer Amendments Was Established. In Parallel, Bcc Was Assessed. Through This Coupled Approach It Was Established.thAt sustaIned OrgAnic Carbon Amendment Resulted In: SignificAntly (p < 0.05) Increased Total Carbon And Total nItrogen Reservoirs In Soil, Dom PrOfiles Of greAter ChemodiversIty, And Emergence Of RecalcItrAnt Dom Moieties (H/c < 1.5). In Contrast, Carbon And nItrogen Reservoirs In Soil Subjected To sustaIned InOrgAnic Fertilizer applicAtion Were Unaltered, While Soil OrgAnic Carbon ChemodiversIty Was Observed To Shift To Less RecalcItrAnt Dom Moieties (H/c rAtio > 1.5 And O/c rAtios < 0.5). furTherMore, sustaIned OrgAnic Carbon Amendment Shaped Bcc To a eutroPh.c stAte While Long-term Chemical fertilizAtion Directed The Bcc Towards An oligotroPh.c stAte. Higher connectivIty And Network complexIty Were Observed In OrgAnic Carbon Amended Soils. Dom-Bcc Network Analysis, IndicAtIng thAt Soil Microbes Had More Interaction WIth Dom Molecules followIng sustaIned OrgAnic mAtter Input. These Results Highlight The Potential For OrgAnic Carbon Amendments To Not Only Build Soil Carbon sTocks And Increase Their Resilience, But To Also Improve The Functional stAte Of Soil Microbial communIties. Key Words: Dom, ChemodiversIty, Microbial diversIty, Ft-icr Ms

生物黑炭和有机肥对旱地作物生产、氮磷养分流失与利用的影响 学位论文
: 湖南农业大学, 2016
作者: 赵易艺

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旱地土壤生物黑炭有机无机配施径流损失春玉米小白菜

施肥方式对紫色土活性氮污染物迁移的影响 学位论文
硕士, 北京: 中国科学院大学, 2015
作者: 胡廷旭

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氮氧化物排放氮流失施肥方式紫色土

施肥方式对紫色土坡耕地氮氧化物排放与氮流失的影响 学位论文
硕士, 北京: 中国科学院研究生院, 2014
柳文丽

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“氮氧化物排放” “氮流失” “N2O间接排放” “施肥方式” “紫色土” “坡耕地”

滨海盐碱地棉花秸秆培肥技术及其改良效果 学位论文
博士, 北京: 中国科学院研究生院, 2013
孙凯宁

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滨海盐碱地堆腐棉秆还田缓释肥改良效果

矿区复垦植被类型和施肥对植被和微生物群落的影响 学位论文
博士后, 北京: 中国科学院研究生院, 2013
李君剑

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矿区复垦植被修复类型肥料处理植被群落微生物群落多样性指数末端限制性片段长度多态性 Reclaimed mining area Regeneration scenarios Fertilizer treatments Plant community Microbial community Terminal restriction fragment length polymorphism (T-RFLP)

土壤氧化亚氮产生机理及影响因子的研究 学位论文
: 中国科学院大学, 2013
作者: 朱霞

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(Nh4)2so4 Kno3 铁田间持水量偏最小二乘法硝化过程尿素 15n 18o 农田土壤 Feammox

紫色土坡耕地土壤固碳机制研究 学位论文
博士, 北京: 中国科学院研究生院, 2013
花可可

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土壤异养呼吸泥沙有机碳壤中流DOC 模型紫色土固碳机制

土地利用方式对潮棕壤微生物特性的影响 学位论文
沈阳应用生态研究所: 中国科学院沈阳应用生态研究所, 2009
作者: 毕明丽

收藏 | 浏览/下载：7/0 | 提交时间：2010/12/15

土地利用方式潮棕壤微生物生物量基因多样性群落结构

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