Bulk Density
Comparison of different models for predicting soil bulk density. Case study – Slovakian agricultural soils
... Based on the results of the partial component analy- sis (PCA), the following variables were selected for our pedotransfer models: silt content 0.001-0.05 mm in % (P), sand content 0.05-2.00 mm in % (S), content of par- ...
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Tractor Wheel Compaction Effect on Soil Water Infiltration, Hydraulic Conductivity and Bulk Density
... One day after treatments application, bulk density was determined using the sample holders of core sampler and total porosity of the soil was calculated (Sultani et al. 2007). Aggregate stability was ...
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Pedotransfer functions for Irish soils – estimation of bulk density ( b ) per horizon type
... this bulk density data allowed the development of maps derived upon these data ...the bulk density at the different depths the horizon average was used (average of horizons that fall within ...
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A new soil core sampler for determination bulk density in soil profile
... The laboratory experiments were carried out to compare each of the sampling methods and to eliminate all of the possible restrictive aspects af- fecting the procedure of measurement. There were different values of dry ...
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Modeling bulk density and snow water equivalent using daily snow depth observations
... daily density model is hin- dered by the use of local ( ∼ 70 km) data for fitting model pa- rameters and deriving the climatology of ...of bulk density remains poorly understood (López-Moreno et ...
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An Experimental Study on Measurement Methods of Bulk Density and Porosity of Rock Samples
... of bulk density and porosity of rocks are available and being applied in the geo-science and geo-engineering ...same bulk dry density and porosity ...
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Initial growth of millet under bulk density levels in oxisol of the cerrado
... ) is an annual cover crop in increasing use in the Cerrado region. Excessive use of agricultural machinery and inadequate management has caused losses in soil e as ground cover, millet has shown ability to break through ...
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Comparison of Sampling Methods Used to Evaluate Forest Soil Bulk Density
... Many studies presented and compared methods to quantify soil bulk density with both modern and con- ventional sampling procedures (Pires et al. 2005a, Timm et al. 2005). One of the conventional and stan- ...
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Frequency, moisture content, bulk density and hybrid effects on grain sorghum dielectric properties
... content, bulk density and ...of bulk density independent dielectric models for on-line estimation of grain and seed moisture content, which relies on large data sets (Trabelsi, ...a ...
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Effect of moisture and bulk density sampling on neutron moisture gauge calibration
... Smoothing bulk density data prior to computing volumetric moisture and the use of mean probable or gamma-measured profiles generally had an insignificant effect on the slopes of neutron [r] ...
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Soil displacement and soil bulk density changes as affected by tire size
... Overall, in the low and the high bulk density soil condi- tions, there were significant differences in vertical soil dis- placement with respect to the tires (p < 0.05). However, the interaction tires × ...
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Reproductive Components of Safflower Genotypes Submitted of Bulk Density Levels in the Brazilian Cerrado
... higher bulk density levels when considering the ex- pression of the reproductive components, number, diameter and dry head ...Under bulk density conditions of ...
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Effect of Grazing on Soil Compaction as Measured by Bulk Density on A HIgh Elevation Cattle Range.
... Be- cause of this, bulk density should not be used to compare effects of treatments on soil compaction unless soil moisture conditions at the time of sampling [r] ...
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Silage corn harvesting machinery traffic effects on soil bulk density and water permeability
... soil bulk density and porosity variations at three diff erent sampling depths, moreover average water permeability coeffi cient of the examined silty clay loam soil was measured using the falling head method ...
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Using the Opposition Effect in Remotely Sensed Data to Assist in the Retrieval of Bulk Density
... the bulk density increased, the overall diffuseness of the BCRF ...the bulk density increased, the for- ward scattering ...high bulk densities, but be more diffuse for near-nadir ...
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EFFECT OF MOISTURE CONTENT AND PARTICLE SIZE ON BULK DENSITY, POROSITY, PARTICLE DENSITY AND COEFFICIENT OF FRICTION OF COIR PITH
... the bulk density increased with increase in moisture content and decrease with increase in particle ...particle density of the coir pith was higher as the particle sizes decreased and decreased with ...
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Error analysis of bulk density measurements for neutron moisture gauge calibration
... This paper summarizes apparent relative errors among the various sampling methods compared to the mean probable bulk density profile and to bulk densities measured using the calibrated g[r] ...
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Critical soil bulk density for soybean growth in Oxisols
... soil bulk density for soils located in a diffe- rent climatic ...soil bulk density, from the soil penetration resistance, for soybean root growth in Brazilian Amazon Oxisols with different ...
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Effect of soil bulk density on forest tree seedlings
... dry bulk density soil significantly affected most of the growth parameters of the examined ...dry bulk density variant on all growth parameters of Scots pine seedlings, and on some parameters ...
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Effects of Pressure Heads and Soil Bulk Density on Infiltration Characteristics of Vertically Inserted Moistube Irrigation
... soil bulk density, while increased with the increase of pressure ...soil bulk density, while the infiltration index α was negatively correlated with pressure head and positively correlated ...
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