Relevant bibliographies by topics / Root density; soil moisture

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Root density; soil moisture'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Root density; soil moisture"

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Konôpka, B., L. Pagès, and C. Doussan. "Soil compaction modifies morphological characteristics of seminal maize roots." Plant, Soil and Environment 55, No. 1 (2009): 1–10. http://dx.doi.org/10.17221/380-pse.

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An evaluation of the effects of soil structural heterogeneity on maize (<I>Zea mays</I> L.) root system architecture was carried out on plants grown in boxes containing fine soil and clods. The clods were prepared at two levels of moisture (0.17 and 0.20 g/g) and bulk density (ranges 1.45–1.61 g/ml and 1.63–1.79 g/ml). Soil moisture directly affected the probability of clod penetration by maize roots. Primary roots inside the clods manifested morphological deformations in the form of bends. We observed a significant increase of bends per root length at lower soil moisture (<I&gt
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Reardon, James, Roger Hungerford, and Kevin Ryan. "Factors affecting sustained smouldering in organic soils from pocosin and pond pine woodland wetlands." International Journal of Wildland Fire 16, no. 1 (2007): 107. http://dx.doi.org/10.1071/wf06005.

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The smouldering combustion of peat and muck soil plays an important role in the creation and maintenance of wetland communities. This experimental study was conducted to improve our understanding of how moisture and mineral content constrain smouldering in organic soil. Laboratory burning was conducted with root mat and muck soil samples from pocosin and pond pine woodland wetlands common on the North Carolina coastal plain. The results of laboratory and prescribed burning were compared. Laboratory results showed that moisture and mineral content influenced sustained smouldering in root mat so
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Zarehaghi, D., M. R. Neyshabouri, M. Gorji, R. Hassanpour, and A. Bandehagh. "Growth and development of pistachio seedling root at different levels of soil moisture and compaction in greenhouse conditions." Soil and Water Research 12, No. 1 (2017): 60–66. http://dx.doi.org/10.17221/146/2015-swr.

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Soil moisture and compaction are important factors for growth and development of plant root. This study was conducted as a nested design with two factors and three replications to investigate the behaviour of pistachio seedling roots at different levels of soil compaction and moisture in a sandy loam soil under greenhouse conditions. The first factor was soil compaction at four levels of bulk density (1.35, 1.5, 1.65, and 1.8 g/cm<sup>3</sup>). The second factor was soil moisture with six levels ranging 0.07–0.49 cm<sup>3</sup>/cm<sup>3</sup>. Moisture monit
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Maan, Cynthia, Marie-Claire ten Veldhuis, and Bas J. H. van de Wiel. "Dynamic root growth in response to depth-varying soil moisture availability: a rhizobox study." Hydrology and Earth System Sciences 27, no. 12 (2023): 2341–55. http://dx.doi.org/10.5194/hess-27-2341-2023.

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Abstract. Plant roots are highly adaptable, but their adaptability is not included in crop and land surface models. They rely on a simplified representation of root growth, which is independent of soil moisture availability. Data of subsurface processes and interactions, needed for model setup and validation, are scarce. Here we investigated soil-moisture-driven root growth. To this end, we installed subsurface drip lines and small soil moisture sensors (0.2 L measurement volume) inside rhizoboxes (length × width × height of 45 × 7.5 × 45 cm). The development of the vertical soil moisture and
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Rokich, Deanna P., Kathy A. Meney, Kingsley W. Dixon, and K. Sivasithamparam. "The impact of soil disturbance on root development in woodland communities in Western Australia." Australian Journal of Botany 49, no. 2 (2001): 169. http://dx.doi.org/10.1071/bt00015.

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The impact of soil disturbance of the Banksia woodland soil profile and particularly the effect of different reconstructed soil profiles (overburden profile, white profile and yellow profile) and soil ripping within rehabilitation sites, was investigated in terms of root development and architecture for eight species that are key structural elements in Banksia woodland. The aim was to determine the soil environment best suited for root development and architecture likely to contribute to high seedling survival in post-mined sites. Root development and architecture differed significantly betwee
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Sanders, D. C., T. A. Howell, M. M. S. Hile, L. Hodges, and C. J. Phene. "Tomato Root Development Affected by Traveling Trickle Irrigation Rate." HortScience 24, no. 6 (1989): 930–33. http://dx.doi.org/10.21273/hortsci.24.6.930.

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Abstract Root length densities (cm·cm−3) of ‘VF145-B7879’ and ‘UC-82B’ tomatoes (Lycopersicon esculentum Mill.) were determined at three depths and four locations across the planting bed for traveling trickle irrigation treatments applied at 35%, 70%, and 105% of evapotranspiration (ET). Cultivars did not differ in root length densities or in their effect on soil moisture levels. Root length density and soil moisture decreased with soil depth. Although soil moisture was greater in the furrows, the zones of highest root concentration were between the rows of plants and along the edge of the bed
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Dwyer, L. M., B. L. Ma, D. W. Stewart, et al. "Root mass distribution under conventional and conservation tillage." Canadian Journal of Soil Science 76, no. 1 (1996): 23–28. http://dx.doi.org/10.4141/cjss96-004.

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Tillage effects on the soil environment suggest that it may influence rooting depth and root distribution. In this study, corn (Zea mays L.) rooting depth and root mass distribution were compared under conventional and conservation (chisel, ridge, no-) tillage on sandy loam and clay loam soils at Ottawa, Ontario. Root depth and distribution in 0.10-m vertical increments during vegetative growth were estimated using a combination of excavation of the surface horizon (0–0.10 m) and 0.05-m diameter cores obtained in the row and midway between two rows over a 3-yr period. An exponential model was
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Khanthavong, Phanthasin, Shin Yabuta, Hidetoshi Asai, Md Amzad Hossain, Isao Akagi, and Jun-Ichi Sakagami. "Root Response to Soil Water Status via Interaction of Crop Genotype and Environment." Agronomy 11, no. 4 (2021): 708. http://dx.doi.org/10.3390/agronomy11040708.

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Flooding and drought are major causes of reductions in crop productivity. Root distribution indicates crop adaptation to water stress. Therefore, we aimed to identify crop roots response based on root distribution under various soil conditions. The root distribution of four crops—maize, millet, sorghum, and rice—was evaluated under continuous soil waterlogging (CSW), moderate soil moisture (MSM), and gradual soil drying (GSD) conditions. Roots extended largely to the shallow soil layer in CSW and grew longer to the deeper soil layer in GSD in maize and sorghum. GSD tended to promote the root a
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Tan, C. S., and J. M. Fulton. "Water Uptake and Root Distribution by Corn and Tomato at Different Depths." HortScience 20, no. 4 (1985): 686–88. http://dx.doi.org/10.21273/hortsci.20.4.686.

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Abstract Root systems were studied to determine if differences in utilization of soil moisture were associated with the extent and number of roots produced by corn and tomato. Growth room studies for both crops indicated that the reduction in transpiration when the upper portion of the root zone was dry was greater than when the lower portion was dry. Total root length of corn was about twice that of tomato roots. However, no direct relationship between the total amount of root length and transpiration was found. Roots of corn and tomato in the field extended beyond the maximum depth measured
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Volkmar, K. M. "Effects of biopores on the growth and N-uptake of wheat at three levels of soil moisture." Canadian Journal of Soil Science 76, no. 4 (1996): 453–58. http://dx.doi.org/10.4141/cjss96-056.

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Roots grow more rapidly through soil spaces such as vacated root channels than through undisturbed soil. This experiment was conducted to determine the extent to which transfer of nutrients is compromised by gaps between the pore wall and the root. Undisturbed cores were obtained from a no-till Dark Brown Chernozemic soil. The cores were divided into three 2.5-cm-thick segments (3.8–6.3 cm, 7.8–10.3 cm, and 11.75–14.25 cm soil layers). The density of 200–500 μm (P200) and 500–1000 μm (P500) diameter pores was visually assessed in each segment. The cores were adjusted to water potentials of − 0
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Dissertations / Theses on the topic "Root density; soil moisture"

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Pellegrini, André. "Sistemas de cultivo da cultura do fumo com ênfase às práticas de manejo e conservação do solo." Universidade Federal de Santa Maria, 2006. http://repositorio.ufsm.br/handle/1/5513.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Soil management systems with minimum tillage and mulch are predominant in agriculture of Southern of Brazil. No-tillage for tobacco crop is not common and restricted to isolated places and only for some farmers that, through empiric tests and adaptation of equipments, search for soil preservation and increased yield. The objective of this work was study the main soil management systems for tobacco crop and possibilities of changing the traditional system of tobacco cropping, with emphasis on practices of soil management and conserv
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Omotere, Olumide Olubunmi. "Improvement of the Soil Moisture Diagnostic Equation for Estimating Root-Zone Soil Moisture." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1157607/.

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Soil moisture information can be used accurately in determining the timing and amount of irrigation applied to plants. Pan and Pan et al. proposed a robust and simple daily diagnostic equation for estimating daily soil moisture. The diagnostic equation evaluates the relationship between the soil moisture loss function and the summation weighted average of precipitation. The loss function uses the sinusoidal wave function which employs day of the year (DOY) to evaluate the seasonal variation in soil moisture loss for a given year. This was incorporated into the daily diagnostic equation to esti
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Erindi-Kati, Anila. "Remote sensing and root zone soil moisture." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84027.

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This study investigated the possibility of three approaches in determination of soil moisture in the root zone. The aim of the study was to contribute to the development of soil moisture monitoring methods to better help crop best management practices.<br>Two fields were examined, one at the Macdonald Campus of McGill University and the other near St. Jean-sur-Richelieau. Three approaches were used; (1) a hand-held hyper-spectral sensor (350-2500 nm), (2) a Geonics RTM EM-38 conductivity meter and, (3) gravimetric soil moisture sampling.<br>The first experiment (at St. Jean-sur-Richelieu
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Dassanayake, Kithsiri Bandara. "Differential responses of perennial root systems to change in soil moisture." Thesis, University of Aberdeen, 1996. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU089928.

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There is evidence in the literature that drought avoidance/tolerance in many annual crop plants is associated with root system characteristics. However, investigations on the morphological traits associated with drought resistance of tree crops is very limited. Identification of such traits would be useful in screening genotypes for drought tolerance. To assess the impact of environmental conditions on plant behaviour requires a carefully defined test environment, a procedure for monitoring changes in the environment and the testing of the test environment for reliability. The filter paper pro
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Bellett-Travers, David Marcus. "Water relations and soil moisture requirements of transplanted amenity trees during establishment." Thesis, University of Hertfordshire, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251544.

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Newill, Paul Anthony. "Imaging of soil moisture in the root zone using capacitively coupled electrodes." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/imaging-of-soil-moisture-in-the-root-zone-using-capacitively-coupled-electrodes(24dbb858-3a0f-4fd7-8956-0070d2e47283).html.

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This research explores the use of insulated electrodes to determine electrical impedance distributions within soil cores. It is used to infer the effect of roots on soil moisture which, in turn, can provide knowledge relating to crop breeding programmes. These programmes are becoming increasingly important in order to address challenges posed by global population growth and climate change. Direct contact electrical impedance measurements in soil are frequently used but these are vulnerable to electrochemical effects and corrosion. Insulated electrodes are used in the present work to overcome t
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Evans, Douglas. "Soil water regime, root water extraction and the growth of fine roots of Sitka Spruce." Thesis, University of Aberdeen, 1988. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU020973.

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The effect of removing soil water stress on fine root growth and the pattern of water use was studied by irrigating a small plot (20 m x 20 m) of 40 year old Sitka spruce. A control plot was established close by. Soil water content and soil matric potential were measured independently on both plots at several depths. Root growth was measured using monthly coring for the surface horizons (c. 10 cm depth) and ingrowth cores to study rooting at depth. In the absence of irrigation the 2 plots had similar water regimes. The irrigation kept matric potential > 20 kPa and water content > 20%. Areas be
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Zhang, Hongjuan [Verfasser]. "Improved characterization of root zone soil moisture by assimilating groundwater level and surface soil moisture data in an integrated terrestrial system model / Hongjuan Zhang." Jülich : Forschungszentrum Jülich GmbH, Zentralbibliothek, 2018. http://d-nb.info/1163839310/34.

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Snelson, Jonathan Bundy. "Plant Growth and Root Zone Management of Greenhouse Grown Succulents." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/32398.

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Effects of media, soil moisture, fertility rate, and plant growth regulators on plant growth were investigated for 13 taxa of succulents. Media: Liners were grown in five common greenhouse substrates: 80% peat, 60% bark + 30% peat moss, 80% pine bark/20% Permatil (v/v), 100% composted pine bark, or whole tree substrate until market ready. Overall, higher percentage bark mixes yielded smaller plants, with lower shoot dry weights, shoot heights and widths. Soil Moisture: Liners were potted into a 60% bark/30% peat soilless potting mix. In group 1 , irrigation to container capacity occurred
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Pijl, Isabelle. "Drip fertigation : effects on water movement, soil characteristics and root distribution." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52245.

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Thesis (MScAgric)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: The application of water and nutrients via a drip irrigation system influences the water distribution in the soil, soil characteristics and root distribution beneath the dripper. To determine the water distribution pattern beneath a dripper in sandy soil, EnviroSCAN (Sentek) capacitance probes were installed directly below the dripper and at distances of 20, 40 and 60 cm from the dripper. The continuous monitoring of the soil water content (SWC) beneath the dripper provided a good indication of how the water applie
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Books on the topic "Root density; soil moisture"

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H, Anderson S., Hopmans J. W, Soil Science Society of America. Division S-1., and Soil Science Society of America. Division S-6., eds. Tomography of soil-water-root processes: Proceedings of a symposium sponsored by Division S-1 and S-6 of the Soil Science Society of America in Minneapolis, Minnesota, 4 Nov. 1992. American Society of Agronomy, 1994.

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Reid, R. A. Soil density target values. South Dakota Dept. of Transportation, Office of Research, 2001.

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Starr, G. Lynn. Soil bulk density and soil moisture calculated with a FORTRAN 77 program. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1988.

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American Society of Civil Engineers., ed. Standard guideline for fitting saturated hydraulic conductivity using probability density functions ASCE/EWRI 50-08: Standard guideline for calculating the effective saturated hydraulic conductivity ASCE/EWRI 51-08. American Society of Civil Engineers, 2008.

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Helvey, J. D. Soil density and moisture content on two unused forest roads during first 30 months after construction. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1989.

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South Africa. Directorate: Electromedical Devices and Radiological Health. Code of practice for the safe use of soil moisture and density gauges containing radioactive sources. Dept. of National Health and Population Development, 1994.

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Schaffner, Bryan. The effects of various soil types on moisture levels and dry wood density within trembling Aspen. Laurentian University, Department of Biology, 1996.

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Hopmans, Jan W., and Stephen H. Anderson. Soil- Water- Root Processes: Advances in Tomography and Imaging. Wiley & Sons, Limited, John, 2020.

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Hopmans, Jan W., and Stephen H. Anderson. Soil- Water- Root Processes: Advances in Tomography and Imaging. Wiley & Sons, Limited, John, 2015.

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Anderson, S. H. Tomography of Soil-Water-Root Processes: Proceedings of a Symposium Sponsored by Division S-1 and S-6 of the Soil Science Society of America in Minn (S S S a Special Publication). American Society of Agronomy, 1994.

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Book chapters on the topic "Root density; soil moisture"

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Logsdon, Sally D., Odemari S. Mbuya, and Teferi Tsegaye. "Bulk Density and Soil Moisture Sensors." In Soil Science Step-by-Step Field Analysis. American Society of Agronomy and Soil Science Society of America, 2015. http://dx.doi.org/10.2136/2008.soilsciencestepbystep.c16.

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Koch, Axelle, Félicien Meunier, Harry Vereecken, and Mathieu Javaux. "Root Processes Affecting Soil Moisture Patterns in Ecohydrology." In Observation and Measurement of Ecohydrological Processes. Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48297-1_13.

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Vaughn, Laura M., and Henry T. Nguyen. "The Effects of Moisture Extremes on Plant Roots and Their Connections with Other Abiotic Stresses." In Root Genomics and Soil Interactions. Blackwell Publishing Ltd., 2012. http://dx.doi.org/10.1002/9781118447093.ch7.

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Koch, Axelle, Félicien Meunier, Harry Vereecken, and Mathieu Javaux. "Root Processes Affecting the Soil Moisture Patterns in Ecohydrology." In Observation and Measurement. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-47871-4_13-1.

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Oladapo, Olukunle Olaonipekun, Leonard Kofitse Amekudzi, Olatunde Micheal Oni, Abraham Adewale Aremu, and Marian Amoakowaah Osei. "Climate Change Impact on Soil Moisture Variability: Health Effects of Radon Flux Density Within Ogbomoso, Nigeria." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_201.

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AbstractClimate affects the quantity of soil moisture within the surface of the earth and this is obtained by affecting the amount of radon flux density escaping from the land surface. This chapter contains the evaluation of climate change conditions as it affects the variability of soil water for the purpose of estimating the health effects of radon flux density within Ogbomoso metropolis. The simulated soil moisture content around Ogbomoso was done for a period of 34 years using the hydrological model, Soil Water Assessment Tool (SWAT). The calibration and validation of the SWAT model was do
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Del Dottore, Emanuela, Alessio Mondini, Davide Bray, and Barbara Mazzolai. "Miniature Soil Moisture Sensors for a Root-Inspired Burrowing Growing Robot." In Biomimetic and Biohybrid Systems. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-38857-6_15.

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AbstractThis paper shows the implementation of miniature sensors for soil moisture measurement and their integration in a root-inspired burrowing growing robot. Three kinds of sensors are combined to estimate the water content in soil: a resistivity sensor composed of two brass electrodes, a commercial air humidity sensor interfaced with the soil by a filter membrane of PTFE with polyester scrim, and an RGB sensor used for visible reflectance spectroscopy. We show their integration and embeddability in a burrowing growing robot based on additive manufacturing with a 4 cm probe diameter. The mu
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Hossain, M. B., D. W. Lamb, P. V. Lockwood, and P. Frazier. "Field Determination of Soil Moisture in the Root Zone of Deep Vertosols Using EM38 Measurements: Calibration and Application Issues." In Proximal Soil Sensing. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-8859-8_21.

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Pipunic, R. C., D. Ryu, and J. P. Walker. "Assessing Near-Surface Soil Moisture Assimilation Impacts on Modeled Root-Zone Moisture for an Australian Agricultural Landscape." In Remote Sensing of the Terrestrial Water Cycle. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118872086.ch18.

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Omer, Abdeen. "Soil Thermal Properties: Effects of Density, Moisture, Salt Concentration and Organic Matter." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-70548-4_39.

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Zuo, Qiang, Renduo Zhang, and Jianchu Shi. "Characterization of the Root Length Density Distribution of Wheat Using a Generalized Function." In Enhancing Understanding and Quantification of Soil-Root Growth Interactions. American Society of Agronomy and Soil Science Society of America, 2015. http://dx.doi.org/10.2134/advagricsystmodel4.c5.

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Conference papers on the topic "Root density; soil moisture"

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Tulczyjew, Lukasz, Bogdan Ruszczak, Michal Myller, Agata M. Wijata, Dominika Boguszewska-Mańkowska, and Jakub Nalepa. "Convolutional neural networks estimate root-zone soil moisture from hyperspectral images." In 2024 IEEE International Conference on Visual Communications and Image Processing (VCIP). IEEE, 2024. https://doi.org/10.1109/vcip63160.2024.10849872.

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Quan, Jialu, Yiqun Wang, Wei Zhao, et al. "Research on Root Zone Soil Moisture Prediction Based on AGConvSED-BiGRU." In 2024 8th Asian Conference on Artificial Intelligence Technology (ACAIT). IEEE, 2024. https://doi.org/10.1109/acait63902.2024.11021984.

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Wu, Yu-Jin, Chao Ren, Pei Leng, and Xiang-Yang Liu. "Prediction of Root-Zone Soil Moisture Using Aquacrop Model Over Irrigated Farmlands." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10642803.

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Bienert, Nicole, and Mahta Moghaddam. "A Concept For Multistatic Radar Tomography Of Crop Root Zone Soil Moisture." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10640578.

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Khandelwal, Paahuni, Jeffrey D. Niemann, David J. Mulla, Shrideep Pallickara, and Sangmi Lee Pallickara. "Subterra: Estimating Soil Moisture at Root Zone Depths Using Science-Guided Learning." In 2025 IEEE Conference on Artificial Intelligence (CAI). IEEE, 2025. https://doi.org/10.1109/cai64502.2025.00060.

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Zhu, Luyao, Hongquan Wang, and Junyu Qi. "Estimating Daily Root Zone Soil Moisture at 30 Meters Spatial Resolution by Assimilating Fused Surface Soil Moisture to a Modified Hydrological Model." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10642889.

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a, Zeyu, and Zheyu Ji a. "A Novel Bayesian Framework for Inverse Problems in Precision Agriculture." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.113662.

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An essential problem in precision agriculture is to accurately model and predict root-zone (top 1 m of soil) soil moisture profile given soil properties and precipitation and evapotranspiration information. This is typically achieved by solving agro-hydrological models. Nowadays, most of these models are based on the standard Richards equation (RE), a highly nonlinear, degenerate elliptic-parabolic partial differential equation that describes irrigation, precipitation, evapotranspiration, runoff, and drainage through soils. Recently, the standard RE has been generalized to time-fractional RE w
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Delorme, Jeffrey. "Cathodic Polarization Characteristics of Carbon Steel in Alberta Soils." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14940.

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Abstract Cathodic polarization behaviour was examined for UNS K02600 carbon steel coupons in thirty (30) soil samples collected throughout central and southern Alberta, Canada. The polarization of coupons was studied as it relates to current density and soil properties. Polarization data was collected for passively aerated samples at impressed cathodic current densities up to 20 mA/m2. Supplementary data was collected for soil type, conductivity, moisture retaining tendencies, redox potential, and pH. Applications include CP design and numerical modelling, as well as the development of monitor
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Shishkov, Toma, and Emil Dimitrov. "SOIL PROPERTIES OF CHROMIC LUVISOLS FROM KREMIKOVTSI AREA IN SOFIA MUNICIPALITY." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/3.1/s13.24.

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The result of the survey carried out on the territory of the Sofia-city municipality is presented, in relation to the application of the Program for the protection, sustainable use and restoration of soils as a limited and non-renewable natural resource. The obtained data on the Chomic Luvisols nearby the area of Kremikovtsi debate the basic physical and chemical soil characteristics. The priority task on the soil protection in the region aimed at the sustainable development, restoration and improvement of the soil resource. To fulfill this aim, samples from soil profile and additional sites f
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Zhang, Zheng, Xihong Cui, and Jin Chen. "Correlation between Root Density and Soil Moisture of Caragana Microphylla in Xilinhot Grassland." In IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2019. http://dx.doi.org/10.1109/igarss.2019.8898861.

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Reports on the topic "Root density; soil moisture"

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Starr, G. L., and J. M. Geist. Soil bulk density and soil moisture calculated with a FORTRAN 77 program. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1988. http://dx.doi.org/10.2737/pnw-gtr-211.

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Pradhan, Nawa Raj. Estimating growing-season root zone soil moisture from vegetation index-based evapotranspiration fraction and soil properties in the Northwest Mountain region, USA. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42128.

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A soil moisture retrieval method is proposed, in the absence of ground-based auxiliary measurements, by deriving the soil moisture content relationship from the satellite vegetation index-based evapotranspiration fraction and soil moisture physical properties of a soil type. A temperature–vegetation dryness index threshold value is also proposed to identify water bodies and underlying saturated areas. Verification of the retrieved growing season soil moisture was performed by comparative analysis of soil moisture obtained by observed conventional in situ point measurements at the 239-km2 Reyno
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Schofield, Ian S., Paul L. Brown, Mark J. Logsdon, and Matthew P. Wickham. Waste Rock Dump Characterization Studies at the Bingham Canyon Mine. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/mp-179.

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The Bingham Canyon Mine, located near Salt Lake City, Utah, is surrounded by more than 6 billion tons of waste rock developed over the open cut mining history from 1903 to present; the surface area of the waste rock is approximately 5000 acres. Waste rock dumps have a thickness of more than 1 200 feet from crest to toe. From 1930 to 2000, selected portions of the waste rock dumps were commercially leached using a ferric-sulfate-based lixiviant to extract copper, whereas other portions have only received meteoric leaching. From 2011 to present, Rio Tinto Kennecott has studied the evolution and
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Pradhan, Nawa. Soil-moisture Estimation of Root Zone through Vegetation-Index-Based Evapotranspiration-Fraction and Soil-Properties (SERVES) user’s manual Version 1.0. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47399.

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The purpose of this user’s guide is to provide background methods and implementation guidance on the Soil-moisture Estimation of Root Zone through Vegetation-Index-Based Evapotranspiration-Fraction and Soil-Properties (SERVES) model (Pradhan 2019).
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Al-Qadi, Imad, Qingqing Cao, Lama Abufares, Siqi Wang, Uthman Mohamed Ali, and Greg Renshaw. Moisture Content and In-place Density of Cold-Recycling Treatments. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-007.

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Cold-recycling treatments are gaining popularity in the United States because of their economic and environmental benefits. Curing is the most critical phase for these treatments. Curing is the process where emulsion breaks and water evaporates, leaving residual binder in the treated material. In this process, the cold-recycled mix gains strength. Sufficient strength is required before opening the cold-treated layer to traffic or placing an overlay. Otherwise, premature failure, related to insufficient strength and trapped moisture, would be expected. However, some challenges arise from the la
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Helvey, J. D., J. N. Kochenderfer, and J. N. Kochenderfer. Soil density and moisture content on two unused forest roads during first 30 months after construction. U.S. Department of Agriculture, Forest Service, North Central Research Station, 1990. http://dx.doi.org/10.2737/ne-rp-629.

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Feng, Wei, Chih-Ping Lin, and Richard Deschamps. Automation and Standardization of Measuring Moisture Content and Density of Soil Using the Technique of Time Domain Reflectometry. Purdue University, 1998. http://dx.doi.org/10.5703/1288284313150.

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Lieth, J. Heiner, Michael Raviv, and David W. Burger. Effects of root zone temperature, oxygen concentration, and moisture content on actual vs. potential growth of greenhouse crops. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7586547.bard.

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Soilless crop production in protected cultivation requires optimization of many environmental and plant variables. Variables of the root zone (rhizosphere) have always been difficult to characterize but have been studied extensively. In soilless production the opportunity exists to optimize these variables in relation to crop production. The project objectives were to model the relationship between biomass production and the rhizosphere variables: temperature, dissolved oxygen concentration and water availability by characterizing potential growth and how this translates to actual growth. As p
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Baete, Christophe. PR-405-163602-R01 Evaluation of AC Corrosion Coupons for Monitoring Applications. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011593.

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Evaluates the use of AC coupons for monitoring applications. AC coupons are aimed to take decisions on whether the subjected pipeline is at AC corrosion risk and if additional mitigative measures need to be undertaken to reduce the AC induced voltage on the pipeline. As a variety of coupons exist on the market with different dimensions, configuration and shape, the AC current density response of the coupons was investigated. A market search was performed to identify the commercial available coupons. A screening of the coupons was performed by: - simulating the AC current density response in a
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Clausen, Jay, Susan Frankenstein, Jason Dorvee, et al. Spatial and temporal variance of soil and meteorological properties affecting sensor performance—Phase 2. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41780.

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An approach to increasing sensor performance and detection reliability for buried objects is to better understand which physical processes are dominant under certain environmental conditions. The present effort (Phase 2) builds on our previously published prior effort (Phase 1), which examined methods of determining the probability of detection and false alarm rates using thermal infrared for buried-object detection. The study utilized a 3.05 × 3.05 m test plot in Hanover, New Hampshire. Unlike Phase 1, the current effort involved removing the soil from the test plot area, homogenizing the mat
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