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Field based methods of soil carbon measurement

Sub-Soil Carbon and Nitrogen Sequestration: Soil Profile Measurement Approach

Sub-Soil Carbon and Nitrogen Sequestration: Soil Profile Measurement Approach

... in soil could be due to the combined influence of horizon thickness, organic carbon and soil ...in carbon sequestration is explained by these soil variables. Based on these ...

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Iodine soil dynamics and methods of measurement: a review

Iodine soil dynamics and methods of measurement: a review

... inorganic iodine compounds to iodate, (2) the conversion from iodate to iodide in the presence of As 3+ in dilute sulfuric acid, and (3) the spectrophotometric measurement of iodide based on the catalytic ...

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Online measurement of soil organic carbon as correlated with wheat normalised difference vegetation index in a vertisol field

Online measurement of soil organic carbon as correlated with wheat normalised difference vegetation index in a vertisol field

... and Methods 2.1. Online Soil Sensor. The online soil sensor consists of a subsoiler that penetrates the soil to any depth between 5 and 40 cm depth, making a trench in the soil, whose ...

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Developments in Fractionation and Measurement of Soil Organic Carbon: A Review

Developments in Fractionation and Measurement of Soil Organic Carbon: A Review

... organic carbon (SOC) is the percentage measure of carbon (C) derived from living organisms in ...of soil organic matter (SOM) can be defined in terms of how easily C and nitrogen in the SOM can be ...

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Comparison of GIS-based interpolation methods for spatial distribution of soil organic carbon (SOC)

Comparison of GIS-based interpolation methods for spatial distribution of soil organic carbon (SOC)

... of methods, many algorithms are pre- sently applied, and research continues, aiming at the definition of the ‘‘best ” method for delineation of spatial distribution of ...The methods are evaluated using ...

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Regional field measurement of soil moisture content with neutron probe

Regional field measurement of soil moisture content with neutron probe

... The measurement of moisture content using neutron probe requires an access tube to be installed at the ...selected based on the following factors such as cost effective, measurements up to moderate depth (1 ...

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Prediction of soil available phosphorus based on soil organic carbon

Prediction of soil available phosphorus based on soil organic carbon

... AND METHODS Experimental Procedure: Forty-eight soil samples were taken at random from different fields of experimental site of Varamin, ...The soil of the experimental site was a fine, mixed, ...

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Quantification of soil water balance components based  on continuous soil moisture measurement and the Richards  equation in an irrigated agricultural field of a desert oasis

Quantification of soil water balance components based on continuous soil moisture measurement and the Richards equation in an irrigated agricultural field of a desert oasis

... the methods used in the liter- ature listed in Table 5, the soil-moisture data-based method used in this study is more reliable as it produced a better fit between the numerical solution (soil ...

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Review of Soil Organic Carbon Measurement Protocols: A US and Brazil Comparison and Recommendation

Review of Soil Organic Carbon Measurement Protocols: A US and Brazil Comparison and Recommendation

... available methods. 5. Conclusions Soil carbon performs multiple functions that are recognized as being important for the production of food, feed, fiber, and bioenergy, as well as for calculating GHG ...

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Methods to estimate changes in soil water for phenotyping root activity in the field

Methods to estimate changes in soil water for phenotyping root activity in the field

... different methods for measuring soil water profiles that could accurately differentiate wheat cultivars, and which could be practically applied to a large number of experimental plots (on the order of ...

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Determining soil organic carbon concentration in agricultural fields using a handheld spectroradiometer: Implication for soil fertility measurement

Determining soil organic carbon concentration in agricultural fields using a handheld spectroradiometer: Implication for soil fertility measurement

... indirect methods available in the literature for the determination of the ...the soil mainly depends on the soil condition, current and previous vegetation cover, topography, hydrological condition ...

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Influence of carbonized crop residue on soil carbon storage in red pepper field

Influence of carbonized crop residue on soil carbon storage in red pepper field

... among field crops in Korea, have a cultivation area of 36,120 ha and annual production yield of 85,068 ...the carbon from the pepper stems (crop residue makes up a signifi- cant portion of the biomass) is ...

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Soil carbon transformation in long-term field experiments with different fertilization treatments

Soil carbon transformation in long-term field experiments with different fertilization treatments

... AND METHODS The effect of fertilization on grain yield of winter wheat and spring barley was observed in precise long-term field ...different soil-climatic conditions: Červený Újezd and Praha-Suchdol ...

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Methods for Quality Assurance of Portable Emissions Measurement System Data and Methods for Field Comparison of Alternative Fuels.

Methods for Quality Assurance of Portable Emissions Measurement System Data and Methods for Field Comparison of Alternative Fuels.

... assurance methods for identifying and, where possible, correcting data quality problems, and procedures for formatting, synchronizing, and analyzing ...(VSP) based modal model results are shown to be ...

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Numerical Prediction of Soil Displacement Based on Imu Sensor Measurement

Numerical Prediction of Soil Displacement Based on Imu Sensor Measurement

... In computational geomechanics, the finite element method (FEM) is considered the standard numerical method. When large deformation or failure occurs, the material is deformed significantly with the mesh, causing element ...

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Hippocampal subfields at ultra high field MRI: An overview of segmentation and measurement methods

Hippocampal subfields at ultra high field MRI: An overview of segmentation and measurement methods

... pathology based on group analyses, including the noteworthy body of literature related to the ADNI initiative (Weiner et al., 2012). By contrast, UHF MRI, relying on the higher spatial resolution and signal to ...

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Assessing soil carbon and soil quality for sustainable agricultural systems in tropical hillslope soils using spectroscopic methods

Assessing soil carbon and soil quality for sustainable agricultural systems in tropical hillslope soils using spectroscopic methods

... the soil nutrient status may be excessively high which can lead to toxicity or deficiencies of other nutrients in ...effective soil and plant testing program based on a foundation of soil ...

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Effect of leguminous crop and fertilization on soil organic carbon in 30 years field experiment

Effect of leguminous crop and fertilization on soil organic carbon in 30 years field experiment

... AND METHODS The study was conducted on the basis of a three factorial long-term field experiment carried on since 1979 at the Experimental Station Grabów (51°21'N, 21°40'E) of the Institute of Soil ...

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Tillage effect on soil organic carbon, microbial biomass carbon and crop yield in spring wheat field pea rotation
 

Tillage effect on soil organic carbon, microbial biomass carbon and crop yield in spring wheat field pea rotation  

... AND METHODS Site ...long-term field experiment at the Dingxi Experimental Station (35°28'N, 104°44'E, 1971 m ...The soil is sandy- loam with pH of 8.3 and low fertility soil organic ...

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Measurement of Dynamic Soil Water Content Based on Electrochemical Capacitance Tomography

Measurement of Dynamic Soil Water Content Based on Electrochemical Capacitance Tomography

... infiltration methods from 1, 50, 100, 250, 400, 600, 700 and 1000 seconds, ...of soil for 32 layers during water infiltration in the ...32 soil layers, ...

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