Effects of Different Plant Spacings on Preferential Flow Development Characteristics of Vetiver Plant Slopes [PDF]
[Objective] The development characteristics of preferential flow for a vetiver slope and the relationship between vetiver roots and preferential flow were analyzed in order to provide a theoretical basis for further study on the influence of plant roots ...
Jiang Xueliang +4 more
core +1 more source
Root Tensile Characteristics of Herbaceous Plants from Source Areas of Lanniqing Landslide in Zhaotong City, Yunnan Province [PDF]
[Objective] The tensile strength characteristics of plant roots were studied to understand the performance of roots in complexes, in order to provide a basis for the selection of plants to be used in ecological slope protection.
Chen Yunying +4 more
core +1 more source
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
core +1 more source
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
core +1 more source
环境胁迫对水生植物根系分泌小分子量有机酸(LMWOAs)的影响特征
本文首次对马来眼子菜(Potamogeton malaianus)、苦草(Vallisneria natans)、芦苇(Phragmites australis)、菖蒲(Acorus calamus)、荇菜(Nymphoides peltatum)和菱角(Trapa incisa)6种水生植物根系小分子量有机酸(Low Molecular Weight Organic Acids,LMWOAs)分泌差异性及其对环境胁迫(温度、缺磷和高铵态氮)响应特征进行研究 ...
张治宏 +13 more
semanticscholar +1 more source
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
Advances in the Study of Arbuscular Mycorrhizal Fungi in High Altitude and Cold Habitats on Tibetan Plateau [PDF]
极端生境往往蕴藏着具有特殊生理生态功能的生物类群.海拔高、温度低、生长季节短的青藏高原高寒草原生态系统是典型的极端生境之一,目前有关该生境中分布的丛枝菌根真菌(Arbuscular mycorrhizal fungi,AMF)研究已引起广泛关注.本文从青藏高原高寒生境中AM真菌的研究概况入手,论述青藏高原高寒生境中AM真菌的群落组成、物种多样性与分布特征、菌根侵染发育状况及高寒生境对AM真菌的影响.指出高寒生境中AM真菌群落结构研究方面存在的问题,探讨解决这些问题的可能途径及其研究发展前景 ...
张亮, 王强, 王晓娟, 金樑
core +1 more source
Effects of Different Vegetation Coverage of Vetiver in Reducing Ditch Erosion and C, N, P Loss [PDF]
[Objective] The influences of plants on reducing ditch erosion and C, N and P loss were studied in order to provide technical support for the prevention of ditch erosion and pollution control.
Chen Tingting +8 more
core +1 more source
豆科植物–根瘤菌互利共生系统影响因素分析 The Analysis of Factors Influencing Legumes-Rhizobium Mutualism Systems
豆科植物与根瘤菌组成的互利共生系统是典型的共生系统代表之一,本文基于已有的文献资料,通过Meta分析对其加以整合、分析,建立Meta回归模型。根据模型选择AICc准则选出最优模型,基于权重结果分析各因素以及它们的交互效应的重要性。结果表明,控制措施、施肥与否以及它们之间的交互作用是影响豆科植物–根瘤菌互利共生合作系统的重要因素。 Symbiotic system composed of legumes and rhizobia is one of the typical symbiosis ...
尹潇潇
semanticscholar +1 more source
为固土抗蚀优良树种的选择提供生物力学方面的参考依据,也为揭示植物根系持续固土抗蚀力学特性。以内蒙古中西部风水复合侵蚀区的3年生人工柠条(Caragana korshinskii)、沙棘(Hippophae rhamnoides)、紫花苜蓿(Medicago sativa)3种典型乡土植物根系为对象,相同立地条件下使用HG100数显式推拉力计和自制便携式实验平台,在测试直径0.5~4 mm范围内,对单根进行70%极限折力受损,待自修复3个月后,研究3种植物根系抗折力及抗折强度的变化 ...
崔天民 +3 more
doaj

