Bulk Density

Sinclair, A. J.; Blackwell, Garston H.

doi:10.1017/cbo9780511545993.016

Cited by 2 publications

(2 citation statements)

References 193 publications

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“…Soil samples were taken from the four corners and center of the 2 m × 2 m plot by using Auger. The samples were taken from 2 soil depths, 0–30 cm and 30–60 cm [ 39 , 40 ], of soil matrix from two cropping systems, 4 transects per cropping system, 3 plots per each transect within 2 sectors of the study area. The sampled soil had been put into a bucket, and thoroughly mixed.…”

Section: Methodsmentioning

confidence: 99%

“…The dry bulk density of the soils was determined using the core method as described in Ref. [ [40] , [42] ] in which case the core samples were dried in an oven set at a temperature of 105 °C to a constant weight. The bulk density was obtained by dividing the oven-dry mass by the volume of the respective cores, following Equation 1

where MoDs is the mass of the oven-dry soil (g); V t is the total volume of the soil core (cm 3 ), calculated from

.…”

Section: Methodsmentioning

confidence: 99%

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Comparative analysis of monocropping and mixed cropping systems on selected soil properties, soil organic carbon stocks, and simulated maize yields in drought-hotspot regions of Rwanda

Hashakimana,

Tessema,

Niyitanga

et al. 2023

Heliyon

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Section: Methodsmentioning

confidence: 99%

where MoDs is the mass of the oven-dry soil (g); V t is the total volume of the soil core (cm 3 ), calculated from

.…”

Section: Methodsmentioning

confidence: 99%

Comparative analysis of monocropping and mixed cropping systems on selected soil properties, soil organic carbon stocks, and simulated maize yields in drought-hotspot regions of Rwanda

Hashakimana,

Tessema,

Niyitanga

et al. 2023

Heliyon

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Impact of bulk density estimation in mine planning

et al. 2021

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The incorporation of bulk density uncertainty for Mineral Resource and Mineral Reserves (MRMR) steps is of great importance for successful mine planning process. In practice, most mining projects use an average density value for each lithological type of the deposit. However, density determinations require special attention as they directly affect the conversion of volumes to tonnages and ore grades to metal contents. The objective of this study is to measure and minimize the risks associated with the MRMR stages, including the density variability in mine planning. Traditional interpolation techniques in geostatistics were used to represent density spatial distribution in a block model, similarly to those used for grade estimation. This approach was developed and applied at a Brazilian iron ore mine.The results indicate MRMR are underestimated if density uncertainty is not considered. Mine design changes were observed, including 5% impact on the Life-of-mine (LOM) and 2% in Net Present Value (NPV).

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Bulk Density

Cited by 2 publications

References 193 publications

Comparative analysis of monocropping and mixed cropping systems on selected soil properties, soil organic carbon stocks, and simulated maize yields in drought-hotspot regions of Rwanda

Comparative analysis of monocropping and mixed cropping systems on selected soil properties, soil organic carbon stocks, and simulated maize yields in drought-hotspot regions of Rwanda

Impact of bulk density estimation in mine planning

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