• Phosphorus
  • Phosphorus in soil has been previously analyzed by many researchers, who used various analytical methods such as sequential extraction, X-ray absorption near-edge structure (XANES), infrared, Raman, and 31 P nuclear magnetic resonance spectroscopy (see reviews by Kizewski et al. (springer.com)
  • However, we demonstrated that also the biochar alone stimulated lettuce leaves number and total biomass, improving soil total nitrogen and phosphorus contents, as well as total carbon, and enhancing related microbial communities. (hindawi.com)
  • Phosphate is needed to replace the phosphorus that plants remove from the soil, and its annual demand is rising nearly twice as fast as the growth of the human population. (wikipedia.org)
  • In this sense, red phosphorus is not an allotrope, but rather an intermediate phase between the white and violet phosphorus, and most of its properties have a range of values. (wikipedia.org)
  • ingestion
  • Improved realism in site‐specific wildlife Eco‐SCVs could be achieved by obtaining more realistic estimates for diet composition, bioaccumulation, bioavailability/ bioaccessibility, soil ingestion, spatial aspects of exposure, and target organ exposure. (environmental-expert.com)
  • sand
  • The proposed DEM-FEM Coupling technique was employed to study the tractive performance of four different tire treads on a soil layer of the material sand. (uni.lu)
  • Sand is a naturally occurring granular material composed of finely divided rock and mineral particles. (wikipedia.org)
  • i.e., a soil containing more than 85 percent sand-sized particles by mass. (wikipedia.org)
  • The scientific Unified Soil Classification System used in engineering and geology corresponds to US Standard Sieves, and defines sand as particles with a diameter of between 0.074 and 4.75 millimeters. (wikipedia.org)
  • On this scale, for sand the value of Φ varies from −1 to +4, with the divisions between sub-categories at whole numbers. (wikipedia.org)
  • The bright white sands found in tropical and subtropical coastal settings are eroded limestone and may contain coral and shell fragments in addition to other organic or organically derived fragmental material, suggesting sand formation depends on living organisms, too. (wikipedia.org)
  • It is called grus in geology or sharp sand in the building trade where it is preferred for concrete, and in gardening where it is used as a soil amendment to loosen clay soils. (wikipedia.org)
  • organic matter
  • They are known mainly as non-parasitic associates of insects, especially beetles, while others have been reported from soil, organic matter, or rotting wood. (wikipedia.org)
  • Mainly organic P and/or P adsorbed on organic matter or other substrates were detected in unfertilized and fertilized soils. (springer.com)
  • Organic amendments, such as compost and biochar, could therefore be useful tools to sustainably maintain or increase soil organic matter, preserving and improving soil fertility and crop yield. (hindawi.com)
  • carbon
  • Biochar is a carbon-rich material obtained from thermochemical conversion (slow, intermediate, and fast pyrolysis or gasification) of biomass in an oxygen-limited environment. (hindawi.com)
  • Finally, Hartenstein presents a lively discussion on the serious consequences of soil organic carbon deficiency. (google.com)
  • polymer composites - similar in use to conducting polymers but formulated of non-conducting polymers with the addition of conducting material such as carbon black. (wikipedia.org)
  • Because deforestation is so extensive, it has made several significant impacts on the environment, including carbon dioxide in the atmosphere, changing the water cycle, an increase in soil erosion, and a decrease in biodiversity. (wikipedia.org)
  • minerals
  • Specific heat capacities of soils and minerals as determined with a radiation calorimeter. (springer.com)
  • In a 100 gram reference amount, molasses is a rich source (20% or more of the Daily Value, DV) of vitamin B6 and several dietary minerals, including manganese, magnesium, iron, potassium, and calcium (table). (wikipedia.org)
  • Aquifer depletion Mining for fossil fuels and minerals Overconsumption, excessive or unnecessary use of resources Overpopulation Pollution or contamination of resources Slash-and-burn agricultural practices, currently occurring in many developing countries Soil erosion Technological and industrial development Deforestation Increases the greenhouse gases Ozone depletion Minerals are needed to provide food, clothing, and housing. (wikipedia.org)
  • amendment
  • Results showed that compost amendment had clear and positive effects on plant growth and yield and on soil chemical characteristics. (hindawi.com)
  • Beside the generally positive plant growth responses to biochar amendment, especially in acidic coarse texture soil, negligible or negative effects also occur due to types of feedstock and pyrolysis process, biochar application rate, plant species, and soil characteristics [ 18 , 19 ]. (hindawi.com)
  • Inspection
  • This PDF is the current document as it appeared on Public Inspection on 08/31/2016 at 08:45 am. (federalregister.gov)
  • It was found by the site-inspection, monitoring and the destructive testing that the excessive deflection of top slabs for the culverts, which is almost 10 times the design estimated value, accompanies the out-of-plane shear failure. (go.jp)
  • Naktuinbouw (the Netherlands Inspection Service for Horticulture) is a Dutch centre with a primary focus based upon propagating material used in the horticultural sector. (wikipedia.org)
  • The foundations for the inspection services were laid in the late nineteenth century when a growing demand became apparent for safeguards regarding the quality of propagating material and seed. (wikipedia.org)
  • species
  • The goal of these approaches is to ensure that soil associated contaminants do not pose a risk to wildlife that directly ingest soil, or to species that may be exposed to contaminants that persist in the food chain. (environmental-expert.com)
  • These components of wildlife exposure estimation should be developed on a site‐, species‐, and analyte‐specific basis to the extent that the expense for their derivation is justified by the value they add to Eco‐SCV development. (environmental-expert.com)
  • To distinguish between different P species, micro-X-ray fluorescence (µ-XRF) maps in combination with P K-edge micro-XANES (µ-XANES) spectra were collected from soils using an X-ray beam smaller than 1 µm 2 (Lombi et al. (springer.com)
  • DNA-DNA between the three tested strains and the reference strains much lower than 70 %, the recommended threshold value for the delineation of genomic species. (microbiologyresearch.org)
  • bacteria
  • Using a newly developed culture method for not yet cultured soil bacteria, three Gram-stain-negative, aerobic, non-spore-forming, motile, and rod-shaped bacteria (strain designated J18 T , J11 T and J9 T ) were isolated from forest soil at Kyonggi University, South Korea. (microbiologyresearch.org)
  • Examples include seed analysis, health tests (viruses, fungi, bacteria and viroids), nematode detection tests, making the propagating material of woody crops and strawberries, in particular, virus-free and maintaining a collection of pre-basic material, namely of ornamental trees and fruit crops. (wikipedia.org)
  • drinking water
  • Within the limited number of environmental media samples, arsenic was determined to exceed initial risk screening and background concentration values in soil, while data collected from drinking water samples reflected the unique hydrogeochemistry of the region, including the prevalence of hard or very hard water, and fluoride, iron, manganese, sodium, and lead exceeding applicable drinking water standards in some instances. (springer.com)
  • Drinking water and other sources for lead are the subject of public health concerns around the Flint, Michigan, drinking water and East Chicago, Indiana, lead in soil crises. (nih.gov)
  • spatial
  • To test the hypothesis that invasions result in consistent changes in AM fungal diversity across spatial gradients relative to native forest habitats, we sampled soil in paired native and invaded sites from three watersheds and used amplicon sequencing to characterize AM fungal communities. (springer.com)
  • biological
  • This volume contains five papers dealing with a wide range of plant, animal, and soil biological topics. (google.com)
  • agricultural
  • The work presented in this paper is meant to identify the P reaction products of secondary P-fertilizers applied to soil with nearly neutral pH before sowing and after harvest in agricultural pot experiments. (springer.com)
  • OXO-biodegradation of polymer material has been studied in depth at the Technical Research Institute of Sweden and the Swedish University of Agricultural Sciences. (wikipedia.org)
  • Testing for Value for Cultivation and Use (VCU) of agricultural crops is monitored and the Dutch National List of varieties is kept updated. (wikipedia.org)
  • 2016) investigated the distribution of J2a-M410 and J2b-M102 in South Asia, which "suggested a complex scenario that cannot be explained by a single wave of agricultural expansion from Near East to South Asia," but also note that "regardless of the complexity of dispersal, NW region appears to be the corridor for entry of these haplogroups into India. (wikipedia.org)
  • mineral
  • Long-term overuse of mineral fertilizers may accelerate soil acidification, affecting both the soil biota and biogeochemical processes, thus posing an environmental risk and decreasing crop production [ 4 ]. (hindawi.com)
  • typically
  • One advantage of CPT over the Standard Penetration Test (SPT) is a more continuous profile of soil parameters, with data recorded at intervals typically of 20 cm but as small as 1 cm. (wikipedia.org)
  • concrete
  • Once Tyler Willett, president of Timberline Tree Service, discovered MB Crusher's screening attachment at World of Concrete 2016, he set out to ask questions about this product and how it could help him manage his material. (environmental-expert.com)
  • It is also computationally investigated that the coupling of subsidence of the backfill soil and the combined creep and shrinkage of concrete after cracking is closely associated with the delayed shear failure found in the culvert in service. (go.jp)
  • Microbiologically precipitated calcite has a wide range of applications, such as soil remediation, soil stabilization and concrete repair. (wikipedia.org)
  • further
  • To further improve the plant-availability of secondary P-fertilizers, an understanding of the mechanisms of the reactions that these P-fertilizers undergo in soil is necessary. (springer.com)
  • Upon further heating, this material crystallises. (wikipedia.org)
  • This chemical change enables the further breakdown of the material by naturally occurring micro-organisms. (wikipedia.org)
  • shear
  • This data helps determine the shear modulus and Poisson's ratio at intervals through the soil column for soil liquefaction analysis and low-strain soil strength analysis. (wikipedia.org)
  • processes
  • We analyzed the respective soils by P K-edge X-ray absorption near-edge structure (XANES) spectroscopy to determine the P chemical forms that were present and determine the transformation processes. (springer.com)
  • Naktuinbouw inspectors perform inspections of production sites, production processes, the propagating material and the documents required to trade and market the products. (wikipedia.org)
  • Measurement
  • The Guide to the Expression of Uncertainty in Measurement gives guidance about how values and uncertainties should be assigned to the input quantities that. (nist.gov)
  • The National Institute of Standards and Technology (NIST) has issued a new standard-a certified reference material-to aid in the detection and measurement of the potent carcinogen hexavalent chromium in soil. (environmental-expert.com)
  • However, the strategies of investigation and measurement techniques of the physiological ecologist frequently require very detailed work on just small amounts of material. (google.com)
  • study
  • 2015 ). In this study, a combination of X-ray fluorescence (XRF) mapping and XANES spectroscopy was used to characterize the distribution and chemical status of P in soil. (springer.com)
  • A cross-sectional study involving 299 schoolchildren between 7 and 12 years of age was conducted between January and March 2016. (springer.com)
  • exposure
  • The specific goals of this paper are to review the current practices for quantifying exposure of wildlife to soil‐associated contaminants, via bioaccumulation and trophic transfer, to identify potential opportunities for refining and improving these exposure estimates, and finally to make recommendations for application of these improved models to the development of site‐specific remedial goals protective of wildlife. (environmental-expert.com)
  • However
  • However, if several compounds of an element are present in a sample, which is usually the case in soils, it can be difficult to determine the chemical state of the element even if linear combination fitting (LCF) has been applied. (springer.com)
  • However, some figures and Supplemental Material published in EHP articles may not conform to 508 standards due to the complexity of the information being presented. (nih.gov)
  • articles
  • A publication called Reference News-which includes translated articles from abroad as well as news and commentary by Xinhua reporters-is delivered by Xinhua personnel, rather than by the national mail system, to officials at the working level and above. (wikipedia.org)
  • World
  • It presents historical demand data for the years 2001, 2006 and 2011, and forecasts for 2016 and 2021 by market (e.g., petroleum refining, chemical manufacturing), source (captive, merchant), world region and major country. (environmental-expert.com)
  • This reference sequence immediately became an indispensable resource in strawberry genetic research throughout the world. (growingproduce.com)
  • Specific
  • This preliminary screening identified that specific constituents may be present above levels of concern, but does not compare results against specific kidney toxicity values or cumulative risk related to a multifactorial disease process. (springer.com)
  • Though the derivation and subsequent application of these values can be used for screening purposes, there is a need to identify the threshold for effects when making remedial decisions during site‐specific assessments. (environmental-expert.com)
  • A specific response is recorded by the electronic interface transforming the signal into a digital value. (wikipedia.org)
  • To simplify comparisons of density across different systems of units, it is sometimes replaced by the dimensionless quantity "relative density" or "specific gravity", i.e. the ratio of the density of the material to that of a standard material, usually water. (wikipedia.org)
  • addition
  • In addition, there were indications for the formation of ammonium phosphates in some fertilized soils. (springer.com)
  • chemical
  • Macro- and micro-XANES spectroscopy were used to determine the chemical state of the overall soil P and identify P compounds in P-rich spots. (springer.com)
  • soil microbiological, chemical, and physical characteristics were analyzed, together with plant growth and physiology. (hindawi.com)
  • levels
  • Basic statistical measurements were subsequently used to compare media against applicable benchmark values, such as US soil screening levels. (springer.com)
  • High levels of explosives in soil can threaten the health of humans, livestock, and wildlife. (environmental-expert.com)
  • If 2.5% are assumed to have blood lead levels higher than the reference amount, then there were approximately 600,000 US children with elevated blood lead levels in 2014. (wikipedia.org)
  • Parents, clinicians, communities, state and federal authorities and political leaders are expected to monitor blood lead test levels, aware that children testing higher than the reference level are testing higher than 97.5% of all US children. (wikipedia.org)
  • The CDC expects action to be taken when test levels are found to exceed the reference. (wikipedia.org)
  • As blood lead levels slowly decline in response to such action, the reference will also decline. (wikipedia.org)
  • tropical
  • Richter and Babar review the diversity of tropical soils. (google.com)
  • Soil-transmitted helminth (STH) infections are among the most common type of infections worldwide and are widely distributed in tropical areas. (springer.com)
  • humans
  • Soil-transmitted helminths (STHs) are intestinal worms that infect humans and are transmitted through contaminated soil. (springer.com)
  • samples
  • Approximately 90 million paired-end reads generated from four samples were processed and assembled into 30,803 contigs using reference based assembly. (frontiersin.org)
  • data
  • A safety data sheet (SDS), material safety data sheet (MSDS), or product safety data sheet (PSDS) is an important component of product stewardship, occupational safety and health, and spill-handling procedures. (wikipedia.org)
  • Pore water pressure data aids determining stratigraphy and is primarily used to correct tip friction values for those effects. (wikipedia.org)
  • strong
  • When the core sets it is then dried in a large drying chamber, and the sandwich becomes rigid and strong enough for use as a building material. (wikipedia.org)
  • plant
  • The duties performed by Naktuinbouw are based on the prescribed European Directives, the Netherlands Seeds and Planting Material Act and the Plant Diseases Act. (wikipedia.org)
  • forest
  • For most people, a forest has no value when its resources are not being used, so the incentives to deforest these areas outweigh the incentives to preserve the forests. (wikipedia.org)
  • possible
  • Biochar has been described as a possible tool for soil fertility improvement, potential toxic element adsorption, and climate change mitigation [ 6 - 8 ]. (hindawi.com)