中国开放科研知识云: 检索

典型亚热带耕地和高寒草地土壤质量变化和健康评估研究 学位论文
北京: 中国科学院大学, 2022
作者: 司绍诚

收藏 | 浏览/下载：13/0 | 提交时间：2022/06/15

耕地草地长期定位施肥土壤质量土壤健康

枣树压砂地土壤肥力评价及肥力指标空间变异规律研究 学位论文
2019
作者: 罗敏强

收藏 | 浏览/下载：0/0 | 提交时间：2020/11/05

枣树压砂地土壤肥力评价改进的灰色关联分析空间变异克里格插值

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

收藏 | 浏览/下载：24/0 | 提交时间：2020/07/15

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

西藏拉萨河典型小流域水土保持综合效益评价研究 学位论文
北京: 中国科学院大学, 2018
作者: 付友行

收藏 | 浏览/下载：26/0 | 提交时间：2019/01/23

西藏自治区茶巴朗小流域协沟小流域

Study on changing rural livelihood strategy and their effects: a gender disaggregated analysis (a case study from Nepal) 学位论文
北京: 中国科学院大学, 2018
作者: SHANTA PAUDEL KHATIWADA

收藏 | 浏览/下载：39/0 | 提交时间：2019/01/23

生计性别尼泊尔

甘肃省庆阳市董志塬水土保持功能服务价值估算 期刊论文
水土保持通报, 2018, 卷号: 38, 期号: 5, 页码: 168-173
作者: 刘自强; 王海燕; 田凤霞; 鲍玉海; 贺秀斌

收藏 | 浏览/下载：47/0 | 提交时间：2019/04/04

董志塬水土保持服务功能功能评价

基于土壤微生物生物量碳和酶活性指标的土壤肥力质量评价初探 期刊论文
2018, 卷号: 39, 期号: 1, 页码: 163-169
作者: 禹朴家[1]; 范高华[1]; 韩可欣[2]; 周道玮[1]

收藏 | 浏览/下载：10/0 | 提交时间：2020/01/01

土壤微生物生物量碳土壤酶活性土地利用方式土壤质量指数敏感性指数草地松嫩平原

沙化草地生态恢复对土壤生物学肥力的影响 期刊论文
草业科学, 2018, 卷号: 35, 期号: 11, 页码: 2550-2560
作者: 胡嗣佳; 胡容; 蒲玉琳; 王奥博; 向双

收藏 | 浏览/下载：27/0 | 提交时间：2020/12/24

若尔盖沙化草地修复模式恢复年限生物学肥力

三江源生态畜牧业有机产品产地环境质量评价 期刊论文
农业工程学报, 2018, 卷号: 034, 期号: 007, 页码: 209
作者: 史文娇; 王宗; 吴溪

收藏 | 浏览/下载：2/0 | 提交时间：2020/03/23

2050年农田土壤温室气体排放及碳氮储量变化SPACSYS模型预测 期刊论文
植物营养与肥料学报, 2018, 卷号: 024, 期号: 006, 页码: 1550
作者: 王树会; 张旭博; 孙楠; 李忠芳; 徐明岗

收藏 | 浏览/下载：6/0 | 提交时间：2020/03/23

在结果中检索

相关链接

CORC

联系我们