Search Results - "Tekeste, Mehari Z."

Digitized Seedbed Soil Quality Assessment from Worn and Edge Hardened Cultivator Sweeps by Noh, Jong-Myung, Liu, Lijie, Tekeste, Mehari Z., Li, Qing, Hatfield, Jerry, Eisenmann, David

“…Tillage tools for seedbed soil management are often subjected to low stress abrasion wear, which could negatively affect seedbed quality and crop productivity…”
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Development of a Method for Soil Tilth Quality Evaluation from Crumbling Roller Baskets Using Deep Machine Learning Models by Tekeste, Mehari Z, Guo, Junxian, Habtezgi, Desale, He, Jia-Hao, Waz, Marcin

“…A combination tillage with disks, rippers, and roller baskets allows the loosening of compacted soils and the crumbling of soil clods. Statistical methods for…”
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Buried pipeline installation impacts on soil structure and crop root decomposition by Ebrahimi, Elnaz, Tekeste, Mehari Z., Horton, Robert, Hanna, H. Mark

“…The severe manipulation of soil that occurs in the right‐of‐way (ROW) easement areas for pipeline installation leads to soil degradation and yield loss. The…”
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Thirteen‐year stover harvest and tillage effects on soil compaction in Iowa by Phillips, Claire L., Tekeste, Mehari Z., Ebrahimi, Elnaz, Logsdon, Sally D., Malone, Robert W., O'Brien, Peter L., Emmett, Bryan D., Karlen, Douglas

“…Corn (Zea mays L.) stover is an abundant biomass source with multiple end‐uses including cellulosic biofuel production. However, stover removal may increase…”
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Physical Properties of Moist, Fermented Corn Grain after Processing by Grinding or Milling by Blazer, Keagan J., Shinners, Kevin J., Kluge, Zachary A., Tekeste, Mehari Z., Digman, Matthew F.

“…A novel biomass production system, integrating the co-harvesting and co-storage of moist corn grain and stover, promises a reduction in delivered feedstock…”
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A new combined penetrometer-dielectric-low frequency acoustic-electrical conductivity sensor for measuring the soil physical characteristics by Rezaei, Ali, Karparvarfard, Seyed Hossein, Naderi-Boldaji, Mojtaba, Azimi-Nejadian, Hadi, Tekeste, Mehari Z.

“…Development of simple and economical sensors to measure the soil physical properties is of great importance in precision agriculture. Building on a previous…”
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Effect of subsoil tillage during pipeline construction activities on near‐term soil physical properties and crop yields in the right‐of‐way by Tekeste, Mehari Z., Ebrahimi, Elnaz, Hanna, Mark H., Neideigh, Erica R., Horton, Robert

“…Persistence of subsoil compaction in construction right‐of‐way (ROW) areas is a major cropland concern following installation of underground pipelines. Soil…”
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Pipeline right‐of‐way construction activities impact on deep soil compaction by Tekeste, Mehari Z., Hanna, Harold M., Neideigh, Erica R., Guillemette, Andrew

“…A 762‐mm‐diameter pipe 1,886 km long was installed to transfer crude oil in the USA from North Dakota to Illinois. To investigate the impact of construction…”
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A mechanical-dielectric-high frequency acoustic sensor fusion for soil physical characterization by Naderi-Boldaji, Mojtaba, Tekeste, Mehari Z., Nordstorm, Richard A., Barnard, Daniel J., Birrell, Stuart J.

“…•A novel sensor fusion for soil physical characterization.•Combination of high-frequency acoustic sensor with dielectric cone penetrometer.•Promising soil…”
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3D finite element simulation of a single-tip horizontal penetrometer–soil interaction. Part I: Development of the model and evaluation of the model parameters by Naderi-Boldaji, Mojtaba, Alimardani, Reza, Hemmat, Abbas, Sharifi, Ahmad, Keyhani, Alireza, Tekeste, Mehari Z., Keller, Thomas

“…•Finite element simulation of a single-tip horizontal penetrometer–soil interaction.•Evaluation of some design/operational parameters of the horizontal…”
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3D finite element simulation of a single-tip horizontal penetrometer–soil interaction. Part II: Soil bin verification of the model in a clay-loam soil by Naderi-Boldaji, Mojtaba, Alimardani, Reza, Hemmat, Abbas, Sharifi, Ahmad, Keyhani, Alireza, Tekeste, Mehari Z., Keller, Thomas

“…•Soil bin verification of a FE model for horizontal penetrometer–soil interaction.•Use of undisturbed samples for estimation of FE model input…”
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Wheat straw direct shear simulation using discrete element method of fibrous bonded model by Schramm, Matthew, Tekeste, Mehari Z.

“…A discrete element method (DEM) calibration for a flexible wheat straw model for simulating direct shear test of wheat straw was investigated. The calibration…”
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Effect of grain moisture content on physical, mechanical, and bulk dynamic behaviour of maize by Mousaviraad, Mohammad, Tekeste, Mehari Z.

“…Variations in the moisture content (MC) of grains strongly influence machine performance analysis during crop harvesting and post-harvest grain handling…”
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Simulation of cohesive-frictional artificial soil-to-blade interactions using an elasto-plastic discrete element model with stress-dependent cohesion by Abdeldayem, Mohamed A.A., Tekeste, Mehari Z.

“…•Nine DEM parameters were screened using the Plackett-Burman statistical method.•An elasto-plastic DEM soil model with cohesion was calibrated using a uniaxial…”
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Scaling law modeling artificial soil-to-bulldozer blade interaction by Abdeldayem, Mohamed A.A., Tekeste, Mehari Z.

“…Bulldozers are one of the major off-road machine systems for cutting and transporting granular materials during earthmoving operations. With the growing demand…”
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Scaled-up rice grain modelling for DEM calibration and the validation of hopper flow by Zhang, Shun, Tekeste, Mehari Z., Li, Yong, Gaul, Alan, Zhu, Dequan, Liao, Juan

“…Industrial-scale simulation of the interaction between rice grains and equipment using the discrete element method (DEM) is limited due to the high computing…”
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Discrete element modeling of cultivator sweep-to-soil interaction: Worn and hardened edges effects on soil-tool forces and soil flow by Tekeste, Mehari Z., Balvanz, Loran R., Hatfield, Jerry L., Ghorbani, Sadaf

“…•3D reconstructed sweep-to-soil interaction was modeled in DEM.•DEM material properties calibrated to measured soil behaviors from tool bar test.•Simulation…”
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Effects of vertical load and inflation pressure on tire-soil interaction on artificial soil by Alkhalifa, Nisreen, Tekeste, Mehari Z., Jjagwe, Pius, Way, Thomas R.

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Modeling tire-soil compression resistance on artificial soil using the scaling law of pressure-soil sinkage relationship by Jjagwe, Pius, Tekeste, Mehari Z., Alkhalifa, Nisreen, Way, Thomas R.

“…•Applied scaling law of tire-soil contact area to develop soil measurement system.•Investigated geometric scales and plate shapes effects on soil model…”
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Comparative study of morphological, anatomical, cell wall compositional, and leaf elemental features of traffic‐tolerant versus traffic‐sensitive tall fescue ( Festuca arundinacea ) by Donelan, Thomas, Thoms, Adam, Arora, Rajeev, Tekeste, Mehari Z., Jjagwe, Pius

“…Abstract Turfgrass traffic tolerance is essential for athletic field aesthetics and performance. Tall fescue ( Festuca arundinacea Scherb.; syn. Schedonorus…”
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