Results 1 to 10 of about 11,115 (161)
Waterlogging is a common abiotic stress constraining crop production globally. Under waterlogging stress, the content of O2 in the soil reduces dramatically, causing hypoxic or even anoxic conditions to plants.
JIN Nanfei(金南飞) +4 more
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Mechanical Properties of Medicago Sativa and Euphorbia Hypericifolia Root-Soil Complex [PDF]
[Objective] The effects of soil moisture content and root area ratio on the soil consolidation effect of Medicago sativa and Euphorbia hypericifolia root systems and the interaction mechanism of root-soil were studied in order to provide scientific basis
Hai Long, Tan Shilin, Xu Bo
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A Study on Pore Structure and Erosion Resistance of Soil Column Based on CT Scanning Technology [PDF]
[Objective] The relationship between soil column pore structure and soil erosion resistance for soil columns with Bahiagrass was analyzed in order to provide a scientific basis for the optimal arrangement of plants for soil and water conservation and to ...
Cao Longxi +4 more
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Plant phenomics is under rapid development in recent years, a research field that is progressing towards integration, scalability, multi-perceptivity and high-throughput analysis.
Guohui, Ding +6 more
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Research Progress and Prospect Slope Greening in China [PDF]
[Objective] The current status and hot trends of slope greening research were studied in order to provide theoretical support and references for subsequent research. [Methods] Professional bibliometric tools CiteSpace and VOSviewer were used to visualize
Guo Xiaoping +5 more
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为了量化植物根系吸水对非饱和土边坡稳定性的影响及为植被护坡的植物种类选择提供参考,采用COMSOL Multiphysics建立二维边坡,模拟不同根系形态、根长及降雨条件下的根系吸水引起的非饱和土边坡孔隙水压力的分布变化,并采用极限平衡理论对边坡稳定系数进行定量计算。结果表明:指数形根系吸水产生的吸力最大,比裸坡增大4.2倍,抛物线形根系吸水产生的吸力最小,但仍比裸坡增大2.7倍;根系越长吸水影响深度越大;根系越短,产生的吸力越大,且吸力在边坡表面的变化越显著;短期降雨后,含根系边坡吸力比裸坡高12 ...
钟彩尹 +4 more
doaj
Soil Salinization Characteristics of Different Land Use Types in a Typical Oasis Irrigation Area of Lower Tarim River [PDF]
[Objective] The soil salinization characteristics under different land use types in extremely arid regions were analyzed in order to provide support for the sustainable efficient utilization of regional land resources.
Baiyun Gang +6 more
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The toxicity of chlortetracycline to wheat root(金霉素对小麦根生长的毒性效应)
四环素类抗生素因具有抗菌和促进畜禽动物生长的功效,被广泛应用于畜禽养殖业.由于畜禽对抗生素的吸收、代谢较少,30%~90%的抗生素都以本体药物的形式随畜禽粪便排出流入环境.以四环素类抗生素——金霉素为例,研究了金霉素对小麦根生长的毒性效应,建立了不同形态金霉素对小麦根系生长的毒性效应模型:,得到各形态金霉素对小麦根毒性强弱的排序:二价阴离子态>一价阴离子态>中性态>阳离子态,共存Ca2+对金霉素毒性的影响与Ca2+以及金霉素的浓度有关.
NIQunli(倪群丽) +3 more
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木醋液对不同品种小麦富集转运Cd以及根际土壤Cd形态转化的影响
为探讨木醋液在重金属污染农田土壤修复应用的可行性,采用田间小区试验,研究木醋液施用对Cd污染农田中当地3个普遍种植品种小麦的生长及对重金属镉(Cd)的富集、转运及根际土壤Cd含量和形态等指标的影响。结果表明:施用木醋液显著提高各品种小麦籽粒和秸秆的生物量(p<0.05),各品种小麦秸秆Cd分布系数提高8.91%~20.44%,而籽粒和根的分布系数分别降低13.93%~35.93%, 4.76%~18.76%;各品种小麦秸秆和根的Cd富集系数显著提高(p<0.05),表现为C品种>A品种>B品种 ...
叶佳润 +6 more
doaj
根系结构不同 ,其固持土体的能力存在很大差异。利用分形理论对不同根系结构稳定土体的能力进行了量化比较 ,结果表明 :(1)长江上游暗针叶林生态系统中主要树种根系都表现出了较为明显的分形结构特征 ,高山柳(Salix sp.)的根系结构最复杂 ,具有多层次细微分枝结构 ,分形维数最大 ,达 1.73 5 6 75 ,冬瓜杨 (Populuspurdomii)次之 ,为 1.6 0 16 6 ,峨眉冷杉 (Abiesf abri)分枝结构简单 ,以侧行主根为主 ,分形维数仅为 1.4 4 93 8 ...
谢春华 罗辑 等
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