Results 51 to 60 of about 1,946,919 (207)

Effects of soil air-filled porosity, soil matric potential and soil strength on primary root growth of radiata pine seedlings

, 2001
The effects of soil air-filled porosity, soil matric potential and soil strength on primary root growth of radiata pine (Pinus radiata D. Don) seedlings were examined in four soil textures ranging from coarse to fine.
Sands, R., Hudson, I.L., Misra, R K, Sands, R, Misra, R., Zou, C, Penfold, C, Penfold, C., Hudson, I, Zou, C.   +9 more
core   +1 more source

Study the Effect of Soil Compaction and Biochar on Some Soil Physical Parameters

مجلة ديالى للعلوم الزراعية
An experiment was conducted to evaluate the effect of soil compaction levels and biochar addition on some soil physical parameters, namely; bulk density, particle density, soil porosity, hydraulic conductivity and infiltration.
Ali Kadhim Ahmed, Ibrahim Ahmad Hadres, Ahmed Albajary, Solarov Oleksandr   +3 more
doaj   +1 more source

An exponential porosity distribution model for analyzing grout penetration in deteriorated subgrades

Results in Engineering
Fine particle migration induced by rainfall infiltration and traffic loading can increase soil porosity and contribute to subgrade deterioration. However, the continuous variation of porosity with depth caused by this process is rarely quantified as a ...
Weiqun Liang, Weiqin Xu, Xiaobin Chen, Qipei Han, Tiejie Xu, Honggang Wu, Chunlin Xiong, Jiasheng Zhang   +7 more
doaj   +1 more source

Response of Cocoyam (Xanthosoma mafafa) Growth, Yield Parameters and Soil Physical Properties of Ultisol at Umudike, Southeastern Nigeria

, 2020
Aim: To determine the effect of different rates of sawdust (SD) and poultry manure (PM) applied on some soil physical properties of acid sandy Ultisol, and some growth parameters and yield of cocoyam.
Chidinma S, Iroegbu,, E. Orji, J., Damian O, Asawalam,, A. Dada, O.   +3 more
core   +1 more source

Effects of legume-cover crop rotations on soil pore characteristics and particulate organic matter distributions in Vertisol based on X-ray computed tomography

Geoderma
Cover crops have been used as an effective soil management practice to improve soil pore structure and promote particulate organic matter (POM) accumulation.
Tianyu Ding, Zichun Guo, Keke Hua, Zizhou Yu, Jiaqi Li, Yueming Chen, Zhibin Guo, Daozhong Wang, Jianli Liu, Xinhua Peng   +9 more
doaj   +1 more source

Double-porosity in soil

, 2012
Double-porosity is an important characteristic in soil that is found to influence the migration of fluids within the soil. Of late, a number of laboratory experiment studies have been carried out on the flow of water through soil media with double ...
Lewis, Roland W., Ahmad, Kamarudin, Abd. Rahman, Norhan, Su, Kong Ngien   +3 more
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Residual effects of fallows on selected soil hydraulic properties in a kaolinitic soil subjected to conventional tillage (CT) and no tillage (NT) [PDF]

, 2008
Improved fallows have been used to reduce time required for soil fertility regeneration after cropping in low input agricultural systems. In semi-arid areas of Southern Africa, Acacia angustissima and Sesbania sesban are among some of the more widely ...
K. Giller, Chikowo, R., R. Chikowo, Nyamadzawo, G., G. Nyamadzawo, P. Nyamugafata, Nyamugafata, P., Giller, K.E.   +7 more
core   +1 more source

Acute Sensitivity of Landslide Rates to Initial Soil Porosity

Science, 2000
Some landslides move imperceptibly downslope, whereas others accelerate catastrophically. Experimental landslides triggered by rising pore water pressure moved at sharply contrasting rates due to small differences in initial porosity. Wet sandy soil with porosity of about 0.5 contracted during slope failure, partially liquefied, and accelerated within ...
Iverson, Richard, Reid, M., Iverson, Neal, LaHusen, R., Logan, M., Mann, J., Brien, D.   +6 more
openaire   +4 more sources

RELIABILITY OF SOIL POROSITY ESTIMATION FROM SEISMIC WAVE VELOCITIES [PDF]

, 2016
Soil porosity is a state parameter of fundamental importance for several geotechnical problems. Geophysical testing provide appealing strategies for the determination of soil porosity, as several geophysical parameters are directly related to soil ...
Passeri, Federico, Foti, Sebastiano
core  

Quantifying the Contribution of Sediment Load to Soil Detachment Rate by Sediment-Laden Rill Flow

, 2017
Sediment load changes with downslope distance during rill erosion process, and thus quantifying the potential contribution of sediment load on soil detachment rate is essential to accurately model the rill erosion process.
Wang, ZL (reprint author), Chinese Acad Sci, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China., Wang, Dongdong, Wu, Bing, Shen, Nan, Liu, Jun'e, Wang, Zhanli, Zhang, Qingwei, Zhang, Qilin, Wang, ZL (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China., Wang, ZL (reprint author), Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China.   +9 more
core   +1 more source