• Leveraging the above methods and technologies, researchers will be able to identify the mechanisms important to BFIs across broad grassland ecosystems, quantify C and N dynamics, model interactions in natural soil environments, and use this powerful set of data to better predict terrestrial C and N cycles under climate change. (energy.gov)
  • Functional traits determine individual responses to pressures and their effects on ecosystem functioning hence, investigating soil ecosystems from a trait-based perspective offers an interesting opportunity to link the functional responses of the organisms to environmental pressures and to give insight into how the entire community influences ecological processes. (wur.nl)
  • The relative percentages of OM from soils of the five ecosystems in the three clusters exhibited distinct pH dependence patterns. (bvsalud.org)
  • These findings demonstrate that soil pH plays a central role in unveiling MAOM dynamics and can serve as a good predictor of soil organo- mineral fractions across alpine ecosystems . (bvsalud.org)
  • BECC focuses on three Grand Challenges that must be tackled to assess the combined consequences of anthropogenic emissions, climate and land-use change on biodiversity and ecosystem services and provide a basis for informed societal responses, with a focus on critical changes in forest, agricultural, urban and arctic ecosystems, including interactions between terrestrial and aquatic systems. (lu.se)
  • However, the dynamics, mechanisms, and ecological implications of bacterial-fungal interactions (BFIs) are poorly understood, especially on the community level and under abiotic stress. (energy.gov)
  • Fungal hyphal networks are important gateways for C and nutrient exchanges between plants and soils, and there is an increasing recognition that such processes are co-mediated by their interactions with bacteria. (energy.gov)
  • The team hypothesize that bacterial-fungal interactions (BFIs) fundamentally determine the outcomes of soil ecosystem function by enabling C and N mineralization, competing for limited nutrients, and contributing to soil organo-mineral interactions and aggregate formation. (energy.gov)
  • We found that after the conditioning phase soil bacterial, fungal and nematode communities differed by origin and by conditioning plant communities. (uu.nl)
  • Despite differences in bacterial, fungal and nematode communities between original and new range, soil origin did not influence the biomass production of plant communities. (uu.nl)
  • Using environmental DNA and extracellular enzymatic activities, we studied fungal and bacterial community composition, diversity, function, and co‐occurrence networks between native and exotic grasslands at soil depths up to 1 m. (nsf.gov)
  • Both native and range expanding plant communities produced most above-ground biomass in soils that were conditioned by plant communities distantly related to them. (uu.nl)
  • Here, we evaluated root biomass, production, and turnover in three mangrove ecotypes to evaluate the role of soil nutrient limitation, stressors, and hydroperiod in controlling root dynamics in San Andres Island (SAI), a karstic oceanic island in the Caribbean Sea. (frontiersin.org)
  • Results suggest that precipitation does not only alter vegetation type and microbial biomass but also regulate soil pH , which is balanced by specific metal cations , thus resulting in particular pH preference of specific OM clusters. (bvsalud.org)
  • Here, we provide a platform for multi-analytical interactions between ecologists analyzing the soil microbes at multiple ecological levels and geoscientists measuring the release of greenhouse gases and the physicochemical soil factors including labile fractions from soil organic matter in tropical sugarcane management systems. (intechopen.com)
  • Fungi and bacteria are the two dominant groups of soil organisms that consume, process, and translocate plant-derived organic matter and thus are critical to global nutrient cycling. (energy.gov)
  • A 70-day laboratory incubation study was conducted to unravel the mechanism(s) underlying synergistic interactions between organic and inorganic nutrient inputs to the soil. (ajol.info)
  • However, an incipient hypothesis predicts that systems with rapid decomposition-e.g. most AM ‐dominated forests-enhance soil organic matter ( SOM ) stabilization by accelerating the production of microbial residues. (nsf.gov)
  • Because accretion rates are controlled by mineral sediment inputs and organic matter accumulation, it is paramount to assess the relative contribution of root productivity to soil formation. (frontiersin.org)
  • At HMI, we have seen the results of many Holistic Management practitioners improving soil health and changing organic matter from 2% to 6% levels in a only a couple of years. (holisticmanagement.org)
  • Acid sulfate soils (ASS) usually contain large amounts of organic matter which can be potential sources of greenhouse gas emissions. (monash.edu)
  • Mineral -associated organic matter (MAOM) is the largest soil organic carbon (OC) pool with the longest turnover. (bvsalud.org)
  • Such interactions and reactions determine, for example, the transport and bioavailability of nutrients and pollutants in the environment, and whether soil organic material breaks down into carbon dioxide or is stored in soils for longer periods of time. (lu.se)
  • We compile the benefits and risks of nutrient management and soil amendments as well as of crop residue and harvest management in sugarcane soils on belowground microbial life and biogeochemical processes mediated by soil microbial communities, and we demonstrate that the massive planting of the crop brings environmental risks that include a potential impact on tropical soil ecosystem sustainability. (intechopen.com)
  • As dominant groups of soil microbes, fungi and bacteria together drive essential biogeochemical cycles belowground. (energy.gov)
  • I study above- and belowground interactions between plant, animal and microbial communities to identify important links between these components and to improve the multifunctionality of agricultural systems. (lu.se)
  • The risks of sugarcane management on soil microbes and their relationships with soil physicochemical factors and biogeochemical processes have not been described from an integrated perspective for different agronomic practices. (intechopen.com)
  • and (3) quantify how reduced water availability interplays with C source, C availability, and soil mineralogy in structuring BFIs and BFI-mediated soil processes. (energy.gov)
  • Through this project, researchers aim to build a quantitative and mechanistic framework of how BFIs can change soil processes, the availability and the fate of C and N across the complexity of soil niches in different soil types and abiotic conditions. (energy.gov)
  • Next, in a field-based mesocosm experiment, researchers will deploy the same ingrowth cores into intact megaliths of different soil types and use 13 C and 15 N tracers to measure how soil mineralogy interplay with microbial processes that influence the incorporation of these tracers into soil aggregates and mineral surfaces. (energy.gov)
  • The efficacy of nano-BC for immobilization of non-degradable heavy-metal contaminants in soil systems, however, is strongly affected by plant rhizosphere processes, and there is very little known about the role that nano-BC play in these processes. (edu.au)
  • This review is the first to focus on important nano-BC-rhizosphere processes and provides a balanced perspective on the promise of utilizing nano-BC as a remediation material for treating heavy-metal contaminated soil, while contrasting benefits with potential environmental risks that arise from many as yet unanswered research questions. (edu.au)
  • Soil attributes and biotic interactions play important roles in ecological processes (e.g. soil formation, nutrient turnover, carbon sequestration and transformation) and, consequently, in the related delivery of ecosystem services. (wur.nl)
  • The main objective of this thesis is to develop and to test concepts for a trait-driven quantification of ecosystem services through the assessment of the effects of land management on soil processes. (wur.nl)
  • The draft interaction profile will undergo both internal and external peer review processes. (cdc.gov)
  • Plant-soil interactions have been proposed as a causative mechanism explaining how invasive plant species impact ecosystem processes. (who.int)
  • The main purpose of our research is to contribute with fundamental knowledge about the complex processes that take place at naturally occurring interfaces in soil and water, thereby contributing to the basic understanding of our environment. (lu.se)
  • The climate we experience results from and is mediated by the action of a host of processes in the atmosphere, soils, oceans, and snow and ice components. (lu.se)
  • pH: A core node of interaction networks among soil organo-mineral fractions. (bvsalud.org)
  • A second interaction effect, tied to mechanical properties of soil, is the sinking of foundations, worsened by a seismic event. (wikipedia.org)
  • SSI provisions of seismic design codes are optional and allow designers to reduce the design base shear of buildings by considering soil-structure interaction (SSI) as a beneficial effect. (wikipedia.org)
  • Soft soil sediments can significantly elongate the period of seismic waves and the increase in natural period of structure may lead to the resonance with the long period ground vibration. (wikipedia.org)
  • The permanent deformation and failure of soil may further aggravate the seismic response of the structure. (wikipedia.org)
  • Soil-foundation-structure interaction (SFSI) is present on all soil sites and can play a significant role in the seismic performance of a building. (sesoc.org.nz)
  • Soil-Structure Interaction (SSI) procedures for performance-based seismic design of building structures have been in existence in design guidelines and provisions for decades. (nottingham.ac.uk)
  • This work explores the validity of this assumption by performing earthquake soil-structure interaction modeling, including explicit modeling of sources, seismic wave propagation, site, and structure. (escholarship.org)
  • The domain reduction method is used to couple seismic (near-field) simulations with local soil-structure interaction response. (escholarship.org)
  • For Performance - Based Design & Evaluation of Critical Structures Seismic performance evaluation of critical structures such as tall and ultra-tall buildings, power plants, industrial facilities, wind tribunes and similar, requires analysis of the soil, foundation and superstructure system together considering the Soil-Foundation-Structure Interaction (SFSI) effects. (kinemetrics.com)
  • We perform soil-foundation-structure interaction (SFSI) analysis at various levels of sophistication - ranging from 3D nonlinear simulations of the full system under seismic loads to utilization of substructure method with kinematic interaction and foundation damping effects or employing simplified modification factors - based on specific requirements of each project. (kinemetrics.com)
  • The inefficient use of nitrogen fertilizer in agricultural soils results in the loss of N through nitrate leaching or emission of the greenhouse gas N2O, contributing to climate change, ozone depletion and major economic losses. (isme-microbes.org)
  • Experience in molecular microbial ecology and in nitrification research would be highly beneficial, and in conducting plant-soil microcosm experiments. (isme-microbes.org)
  • Root production was modulated by soil stress conditions and not by nutrient availability as it has been reported for other karstic environments. (frontiersin.org)
  • Climate change variables can affect soil nutrient availability as well as plant nutrient contents by affecting soil moisture, soil temperature and carbon dioxide, soil microbial activity and plant growth. (chesci.com)
  • The rhizosphere represents a dynamically complex soil environment, which, although having a small thickness, drives potentially large materials fluxes into and out of plants, notably agricultural foodstuffs, via large diffusive gradients. (edu.au)
  • Microorganisms that successfully join the rhizosphere community from bulk soil have access to more abundant and diverse molecules, producing a highly competitive and selective environment. (nih.gov)
  • We expand the known repertoire of antibiotics produced by Pseudomonas in the rhizosphere and demonstrate the role of the metabolites in interactions with other rhizosphere bacteria. (nih.gov)
  • Biotic interactions and soil-based ecosystem services in a complex landscape. (wur.nl)
  • I use point-pattern statistics, geostatistics and GIS-based analysis to understand the consequences of spatial heterogeneity for communities and biotic interactions. (lu.se)
  • In particular, it focuses on exploring the potential of a trait-based approach in identifying and better understanding the response of the soil biota to environmental pressures and analyses the responses of soil organisms in terms of changes in functional trait distribution and trophic interactions. (wur.nl)
  • I study food-webs and interaction networks between generalist predators and their prey to understand the fundamental rules underlying these important trophic interactions and to improve the provision of biological control services in agroecosystems. (lu.se)
  • The trials took place independently at agricultural research facilities in Michigan, Illinois, Kansas, South Dakota and Oregon using local soils gathered on site. (topcropmanager.com)
  • Forest soils store large amounts of carbon (C) and nitrogen (N), yet how predicted shifts in forest composition will impact long‐term C and N persistence remains poorly understood. (nsf.gov)
  • Come join us in Lyon, France to research microbial interactions in the nitrogen cycle for mitigating nitrous oxide emissions from agroecosystems. (isme-microbes.org)
  • The overall theme of the project is to determine the importance of arbuscular mycorrhizal fungi (AMF) interactions in the nitrogen cycle for mitigating nitrous oxide (N2O) emissions from agroecosystems. (isme-microbes.org)
  • Those with experience in soil nitrogen cycling, nitrifiers and/or mycorrhizal fungi are particularly encouraged to apply. (isme-microbes.org)
  • We evaluate whether an invasive plant influences plant and soil-microbe acquisition of nitrogen to elucidate the mechanistic pathways by which invaders might alter N availability. (who.int)
  • Soil from Michigan and Montana have different organisms so we would get a different fingerprint," Yannarell says. (topcropmanager.com)
  • In these conditioned soils, we determined the composition of fungi and bacteria by high-throughput amplicon sequencing of the ITS region and the 16S rRNA gene respectively. (uu.nl)
  • Mineral nutrients from the soil can dissolve in water and then become available to plants. (pressbooks.pub)
  • Mineral nutrients are useful to plants only if they are in an extractable form in soil solutions, such as a dissolved ion rather than in solid mineral. (pressbooks.pub)
  • 2004. Mineral stress: the missing link in understanding how global weather change will affect plants in real world soils,Field Crops Research. (chesci.com)
  • These cycles are regulated by interactions at interfaces between microorganisms, mineral particles and aqueous solutions, and are often driven by electron transfer reactions. (lu.se)
  • Plant species that expand their range in response to current climate change will encounter soil communities that may hinder, allow or even facilitate plant performance. (uu.nl)
  • Students will recognize that plants remove nutrients from the soil, explain the roles of diffusion and active transport in moving nutrients from the soil to the plant, and relate the root and vascular systems of the plant to the human circulatory system. (agclassroom.org)
  • The primary function of the root system is to absorb water and nutrients from the soil. (agclassroom.org)
  • Hou, Z 2020, ' Changing soil strength and stiffness during pipe-soil interaction at the touch down zone ', Doctor of Philosophy, The University of Western Australia. (edu.au)
  • The effect of SSI, however, becomes prominent for heavy structures resting on relatively soft soils for example nuclear power plants, high-rise buildings and elevated-highways on soft soil. (wikipedia.org)
  • It is argued that this is especially important for certain classes of soil-structure systems of which nuclear power plants subjected to near-field earthquakes are an example. (escholarship.org)
  • The pipe-soil interaction of surface laid pipelines is still too often modelled using single frictional factors in the axial and lateral directions. (sage-profile.com)
  • Improved modelling of the pipe-soil interaction can help significantly reduce costs through optimising pipeline design. (sage-profile.com)
  • Based on recent research, these simple models were improved and implemented in a finite element software program for pipeline analysis, to better simulate the pipe-soil interaction of surface laid pipelines and to more accurately simulate full routes. (sage-profile.com)
  • To better understand the behavior of the tunnel boring machine in curved alignments, a model has been developed, that takes the subgrade reaction and the stiffness of the soil into account. (ukstt.org.uk)
  • The variation of soil stiffness and strength with depth, referred to as soil non-homogeneity, is considered in the model. (nottingham.ac.uk)
  • A key question generating considerable debate relates to the evolution of the cyclic soil stiffness and the associated competing effects of remoulding with those of consolidation. (edu.au)
  • Centrifuge tests were performed to reveal the soil stiffness evolution under different loading regimes in overconsolidated sediments, which typically occurs in strong crusts of Gulf of Guinea, Gulf of Mexico, and North West Shelf. (edu.au)
  • Mangroves sustain high soil accretion and carbon sequestration rates, yet it is still unknown if they can keep pace with increasing sea level rise (SLR) across a wider range of coastal geomorphic settings. (frontiersin.org)
  • In the brochure, they talk about the importance of grasslands for carbon sequestration and the role that effective planned grazing has, among other practices, to improve soil health and the sequestering of carbon. (holisticmanagement.org)
  • Especially in soft soils, the impact of curved drives can be significant, and this will be illustrated by detailed measurements from several pipe jacking projects in soft soil conditions. (ukstt.org.uk)
  • Secondly, the effect of frequency content of ground motions on elastic and inelastic flexible-base buildings located on very soft soil profiles is examined. (nottingham.ac.uk)
  • Permanent wilting point (PWP) is generally used to ascertain plant resistance against abiotic drought stress and designated as the soil water content (θ) corresponding to soil suction (ψ) at 1500 kPa obtained from the soil water retention curve. (nature.com)
  • Plant response to drought was dependent on the relative porosity and mineralogy of the soil, which governs the ease at which roots can grow, assimilate soil O 2 , and uptake water. (nature.com)
  • PWP is defined as the percentage amount of water per unit weight or bulk volume of the soil that cannot be absorbed by plant roots 9 . (nature.com)
  • Here we used a plant-soil feedback experiment approach to examine if the interactions between range expanders and soil communities change during range expansion. (uu.nl)
  • We grew communities of range-expanding and native plant species with soil communities originating from the original and new range of range expanders. (uu.nl)
  • Communities of range-expanding plant species shape specific soil communities in both original and new range soil. (uu.nl)
  • Plant-soil interactions of range expanders in communities can be similar to the ones of their closely related native plant species. (uu.nl)
  • Yannarell became involved in the research after results from other trials examining plant-soil feedback loops ruled out nutrient depletion and soil chemistry as the causes of plant growth changes. (topcropmanager.com)
  • Plant-soil feedback research has been going on for 15 years or so," Yannarell says. (topcropmanager.com)
  • When you have a particular plant growing, as it grows it interacts with the soil and what's in the soil, and it changes the makeup of soil. (topcropmanager.com)
  • For this research they were looking at the feedback from the soil to the plant. (topcropmanager.com)
  • If there is a positive plant-soil feedback, it will make the soil better for the plant. (topcropmanager.com)
  • Alternatively, negative plant-soil feedback will be bad for the plant. (topcropmanager.com)
  • The idea is that weeds that have negative plant-soil feedback are good for us," Yannarell says. (topcropmanager.com)
  • We wondered if two weeds might have positive or negative plant-soil feedback, [and] did positive plant-soil feedback change as you go east to west. (topcropmanager.com)
  • They next looked to see if plants were making chemical toxins in the soil that might affect the plant, but found no evidence of this. (topcropmanager.com)
  • If we drill down to the ones most responsible for soil health, on average less than seven per cent of the bacteria in soil could explain about 90 per cent of change in plant growth," Yannarell says, adding while they can't give a list of bacteria or fungi to use for weed control just yet, his department's research does raise the possibility of identifying micro-organisms for weed control. (topcropmanager.com)
  • Soil plays a key role in plant growth. (pressbooks.pub)
  • Soil-Plant Nutrient Cycle. (pressbooks.pub)
  • Several elements obtained from soil are considered essential for plant growth. (pressbooks.pub)
  • Micronutrients and macronutrients are desirable in particular concentrations and can be detrimental to plant growth when concentrations in soil solution are either too low (limiting) or too high (toxicity). (pressbooks.pub)
  • However, some nutrients are selectively absorbed by the root membranes, enabling concentrations to become higher inside the plant than in the soil. (pressbooks.pub)
  • The response of a generic nuclear power plant model computed using full earthquake soil-structure interaction simulations is compared with the current state-of-the-art method of deconvolving in depth the (simulated) free-field motions, recorded at the site of interest, and assuming that the earthquake wave field is spatially unidimensional. (escholarship.org)
  • Plant-soil feedback ( PSF ) can structure plant communities, promoting coexistence (negative PSF ) or monodominance (positive PSF ). (nsf.gov)
  • An essential part of this project is to use the virtual soil-root system to carry out scenario analyses on the effect of different subsoil management methods on plant resource uptake efficiency. (soil-modeling.org)
  • The present review covers the impact of various climatic factors on the availability of micronutrients in soil and plant. (chesci.com)
  • When soils have similar micro-organisms, then we get similar fingerprints. (topcropmanager.com)
  • They started to think about micro-organisms and that's where we got involved," Yannarell notes, adding because the researchers froze the soil, they were able to study its microbial makeup. (topcropmanager.com)
  • When they didn't see similar organisms in the home and away soils, they realized ragweed was doing a good job picking out the bad-for-it micro-organisms wherever it grew. (topcropmanager.com)
  • Therefore, understanding how soil organisms interact and how they respond to environmental conditions is fundamental to preserve soil functioning and provide a meaningful assessment of ecosystem services. (wur.nl)
  • In the absence of oxygen when the soil is acidic, the amount of selenium that can enter plants and organisms should be low. (cdc.gov)
  • The addition of 100% RR NPK + 50% RR manure often results in higher amounts of the measured parameters,synergistic interactions and supply of nutrients to the soil, with longer residual effects. (ajol.info)
  • Next, researchers will fine-tune the mechanisms that control BFIs in a laboratory soil microcosm experiment that measures the molecules involved when bacteria and fungi come into direct contact and the functional outcomes of these interactions. (energy.gov)
  • Researchers in the United States are looking at the relationship between plants and soil and how this relationship might be used for weed control. (topcropmanager.com)
  • The process in which the response of the soil influences the motion of the structure and the motion of the structure influences the response of the soil is termed as soil-structure interaction (SSI). (wikipedia.org)
  • Neglecting SSI is reasonable for light structures in relatively stiff soil such as low rise buildings and simple rigid retaining walls. (wikipedia.org)
  • They showed that SSI provisions of both NEHRP and ASCE 7-10 result in unsafe designs for structures with surface foundation on moderately soft soils, but NEHRP slightly improves upon the current provisions for squat structures. (wikipedia.org)
  • For structures on very soft soils, both provisions yield conservative designs where NEHRP is even more conservative. (wikipedia.org)
  • Over the past 60 years, Terre Armée has established the principles of reinforced soil structures and has participated in more than 100,000 projects worldwide. (terre-armee.fr)
  • Soil flexibility has to be considered in the analysis of massive structures to avoid failure and ensure safe service. (civilea.com)
  • Post failure analysis of massive structures realized the importance of SSI-soil structure interaction. (civilea.com)
  • The purpose of this paper is to evaluate the provisions of the New Zealand structural design actions standard (NZS 1170.5 (2004)) with respect to classical elastic soil-structure interaction effects on the earthquake design of shallow foundations supporting multi-storey buildings. (nzgs.org)
  • Ground-structure interaction (SSI) consists of the interaction between soil (ground) and a structure built upon it. (wikipedia.org)
  • Various combinations of soil and structure can either amplify or diminish movement and subsequent damage. (wikipedia.org)
  • The main idea behind the provisions is that the soil-structure system can be replaced with an equivalent fixed-base model with a longer period and usually a larger damping ratio. (wikipedia.org)
  • Considering soil-structure interaction makes a structure more flexible and thus, increasing the natural period of the structure compared to the corresponding rigidly supported structure. (wikipedia.org)
  • Although the mentioned idea, i.e. reduction in the base shear, works well for linear soil-structure systems, it is shown that it cannot appropriately capture the effect of SSI on yielding systems. (wikipedia.org)
  • The long-term fatigue life assessment of SCRs at the touchdown zone, where complex soil-fluid-structure interaction occurs, remains a significant challenge for designers. (edu.au)
  • Work by earlier researchers had led to the suggestion that for tall buildings the lengthening of the structure-foundation period caused by soil-structure interaction might give reduced foundation design actions. (nzgs.org)
  • We suggest that the jumps between the design spectra when moving from a rock site, to a shallow soil site, to a deep soil site are more significant than the subtle soil-structure interaction effects caused by the modest period lengthening of the structure-foundation system. (nzgs.org)
  • In soil-structure interaction modeling of systems subjected to earthquake motions, it is classically assumed that the incoming wave field, produced by an earthquake, is unidimensional and vertically propagating. (escholarship.org)
  • examples( book soil foundation structure) aims a position of site bored to offer thoughts outside of our important action. (bpcleanup.de)
  • The book soil foundation structure you felt quoting for was Only developed, but Finally marry touching extraordinarily! (bpcleanup.de)
  • book soil foundation structure sent one of the only trustees of invalid development at the post. (bpcleanup.de)
  • Terre Armée has unrivalled expertise and experience in the field of reinforced embankments and soil-structure interaction. (terre-armee.fr)
  • Terre Armée has forged an unrivalled level of expertise and experience in reinforced backfill applications and soil-structure interaction. (terre-armee.fr)
  • Current paper attempts to review the stat of art about soil structure interaction analysis methods. (civilea.com)
  • The soil structure interaction of WWF and SFRC slabs on two extreme types of subgrade, loose and compacted is examined in the present study. (unb.ca)
  • The objectives were to identify the effects of inundation on GHGs and soil chemistry in coastal acid sulfate soils (CASS) with sea level rise with different vegetation types in southern Australia and determine the effect of lime (CaCO3) addition on ASS in agriculture land. (monash.edu)
  • Farmers can therefore manage the timing of the nutrient inputs well to capitalize on this mechanism for improved soil fertility. (ajol.info)
  • FUNCTION, will define the role of AMF in the N-cycle via their interaction with microorganism that contribute both direct and indirectly to N2O production in agroecosystems and their involvement in mediating N2O emissions derived from N fertilizer and nitrification inhibitor inputs in soil. (isme-microbes.org)
  • Axonopus compressus were grown in two distinct textured soils (clayey loam and silty sand), after which drought was initiated till wilting. (nature.com)
  • Determination of PWP based on only pre-assumed ψ may not represent true wilting condition for soils with contrasting water retention abilities. (nature.com)
  • For clay loam, the held water within the soil matrix does not facilitate easy root water uptake by relatively coarse root morphology. (nature.com)
  • Soil water retention curve (SWRC) is commonly used to indicate the soil's ability to hold water and is the relationship between the soil water content (θ) and the soil water potential commonly referred as soil suction (ψ) 7 . (nature.com)
  • Based on the classical definitions, it is understood that the PWP is directly dependent on the plant's ability to withdraw water from the soil matrix, and the parameter should ideally not have a unique value. (nature.com)
  • Deionized water was added to maintain soil moisture at 70% field capacity throughout the incubation period. (ajol.info)
  • The ratio of solids/water/air in soil is also critically important to plants for proper oxygenation levels and water availability. (pressbooks.pub)
  • Too much porosity with air space, such as in sandy or gravelly soils, can lead to less available water to plants, especially during dry seasons when the water table is low. (pressbooks.pub)
  • Too much water, in poorly drained regions, can lead to anoxic conditions in the soil, which may be toxic to some plants. (pressbooks.pub)
  • Its research contributes to the sustainable and resource-conserving use of soils and water. (soil-modeling.org)
  • Weathering of rocks and soils may result in low levels of selenium in water, which may be taken up by plants. (cdc.gov)
  • Airborne particles of selenium, such as in ash, can settle on soil or surface water. (cdc.gov)
  • Elemental selenium that cannot dissolve in water and other insoluble forms of selenium are less mobile and will usually remain in the soil, posing smaller risk of exposure. (cdc.gov)
  • These three experiments will be performed under a drought treatment that can help address how microbial interactions can change with environmental conditions. (energy.gov)
  • Soil heavy metal contamination has increasingly become a serious environmental issue globally, nearing crisis proportions. (edu.au)
  • This report provides background information on the complex and interactive factors that environmental health scientists need to consider when evaluating the impact of lead-contaminated soil on public health. (cdc.gov)
  • 1991. Environmental and soil factors affecting micronutrient deficiencies and toxicities, Micronutrients in Agriculture book series 4 (eds) JJ Mortvedt, FR Cox, LM Shuman and RM Welch (Madison, WI: Soil Science Society of America). (chesci.com)
  • Soil from a maize farmer's field at Kpongu in the Upper West Region of Ghana was amended with a factorial combination of 0, 50% and 100% levels of the recommended rates (RR) of inorganic fertilizer and cattle manure and incubated at room temperature in plastic cups. (ajol.info)
  • Or they could have eaten fruit contaminated by night soil which is human waste being used as fertilizer in an orchards. (cdc.gov)
  • 2008. Zinc in soils and crop nutrition,Brussels, Belgium (Online book: International Zinc Association). (chesci.com)