It also controls the step size, waiting time, number of steps, number of scanning cycles, and data acquisition. The density scanner has been used for measuring water content and bulk density of loam, silty clay loam, and silty clay soils. The water content measured by the dual-纬 technique...
Bulk density, degree of saturation, volume increase on wetting, and rate of wetting were measured for aggregates and clods of Ormstown silty clay loam (Humaquept) of sizes from 5 cm to 0. 036 cm diam. An evaporation and a sorption technique are described and used to estimate the water ...
Bulk density—is the density of a volume of soil as it exists naturally, it includes air space, organic matter, and soil solids. Natural root growth is restricted as BD becomes greater than 1.5 g cm−3 in fine-textured (clay and silt) soil and at 1.7 g cm−3 in course-textured ...
An image-based method for determining bulk density and the soil shrinkage curve. Soil Science Society of America Journal 75: 1217-1221.Stewart, R. D., Abou Najm, M. R., Rupp, D. E., and Selker, J. S.: An Image-Based Method for Determining Bulk Density and the Soil Shrinkage ...
The soil strength for the soils from sandy loam to clayey loam was measured with penetrometer and the new shear device at soil surface at different bulk density and soil water content. The normal stresses of 2, 5, 8, 10 and 20 hPa were applied for the new shear device. The results ...
Relating Immediate Changes in Bulk Density to Changes in Hydraulic Properties on a Silty Clay Loam Under Different Tillage Systems in the Czech Republicdoi:10.1007/s42729-022-01085-3TillageDry bulk densityHydraulic conductivityVolumetric water content...
Experiments on miscible displacement of nitrate were conducted on saturated soil columns of a silty clay loam packed at bulk densities 1.2, 1.3 and 1.4 gcm. A good agreement was observed between the theoretical breakthrough curves and the experimental data. The dispersion coefficient E and the ...
However, the degree to which soils of high bulk density reduced movement differed among species and soil textures: H. bacteriophora was the least restricted; whereas, S. carpocapsae was the most restricted. All 3 species moved significantly more in sandy loam, than in loam or silty clay ...
Radke JK,Berry EC.Soil water and solute move-ment and bulk density changes in repacked soil columns as a result of freezing and thawing under field condi-tions. Soil Science . 1998Radke JK,Berry EC. Soil water and solute movement and bulk density changes in repacked soil columns as a ...
Soil bulk density Machine learning Random Forest Quantile regression Pedotransfer functions Soil legacy data 1. Introduction Soil has many important functions: from an essential role in agriculture to being the largest reservoir of terrestrial carbon (FAO, 2004). Soil data are a valuable resource; how...