Bulk density
Effects of soil management systems on soil microbial activity, bulk density and chemical properties
... the bulk density, chemical soil properties, and on the soil microbial activity on a Latossolo Vermelho distrófico ...in bulk density and chemical properties of the ...
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SOIL BULK DENSITY AS RELATED TO SOIL PARTICLE SIZE DISTRIBUTION AND ORGANIC MATTER CONTENT
... Soil bulk density is defined as the ratio of oven-dried mass weight to its bulk volume depends on the soil particles densities such as sand, silt, clay and organic matter and their packing ...
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Bulk density and water tensions in the soil on corn root production
... values of soil resistance to penetration, which were equal to 6.76 and 2.22 MPa, respectively. Still in the bottom layer of the experimental plot, a regression adjustment different from those of the other root production ...
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Bulk Density Prediction for Histosols and Soil Horizons with High Organic Matter Content
... Bulk density is an important soil physical parameter, due to its relation with several soil properties and processes, such as hydraulic properties, soil compaction, and erosion (Wischmeier and Mannering, ...
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Correlations of soybean yield with soil porosity and bulk density of an Oxisol
... soil bulk density values was affected by the crop soil management, which is essentially ...particle density, the low variability of the data attested by the variation coefficient between ...particle ...
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Soil bulk density and biomass partitioning of Brachiaria decumbens in a silvopastoral system
... soil bulk density and on the aerial and root biomass of Brachiaria decumbens was evaluated in both the dry and the rainy ...Soil bulk density did not vary with the distance from the tree row, ...
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MODELING AND CORRECTION OF SOIL PENETRATION RESISTANCE FOR VARIATIONS IN SOIL MOISTURE AND SOIL BULK DENSITY
... We used a completely randomized experimental design with 12 replications. Treatments consisted of four levels of soil water content, making up 100%, 85%, 75% and 65% of field capacity. We assessed soil penetration ...
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METHOD TO ESTIMATE SOIL MACROPOROSITY AND MICROPOROSITY BASED ON SAND CONTENT AND BULK DENSITY
... It represents a specific model (Macro x BD) developed for a specific location, soil type and texture. The question raised in this paper is the possibility of generalizing the model to estimate macroporosity for different ...
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Pedotransfer functions for Irish soils – estimation of bulk density (<i>ρ</i><sub>b</sub>) 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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Use of PVC pipes to determine bulk density for irrigation management
... in bulk density with increasing depth (Figure 3), corroborating the results of Reichert et ...the bulk density was higher in the layer from ...that bulk density generally ...
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Bulk density and relationship air/water of horticultural substrate
... substrate bulk density during the growing period may negatively affect other substrate physical properties and, consequently, plant ...different bulk densities values of those substrates on their ...
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Pedotransfer functions to estimate bulk density from soil properties and
... Bulk density (ρ b ) is commonly not reported in soil survey reports due to laborious work and high costs in- volved in the sampling and laboratory analysis of this ...
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Petrophysical model for bulk density of complex lithologies
... A data set containing facies description of lithotypes as well as a set of well log measurements helps defining the volu- metric fractions of rock constituents for implementation of mine[r] ...
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PHYSICAL PROPERTIES OF CORN RESIDUES
... average bulk density of corn stalks is similar to the value of ...The bulk density values of corn leaves and stalks are within the values of 37-150 kg m −3 reported by Shinners et ...average ...
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Atributos físicos do solo na linha e entrelinha de semeadura no sistema plantio direto
... no-till, bulk density increases and soil porosity decreases, no detrimental effects have been observed on crop productivity in several studies (CARDOSO et ...
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Soil Compaction in Sugarcane Fields Induced by Mechanization
... Bulk density is dependent on soil ...high bulk density since the total pore space in sand is less than that of silt or ...that bulk densities that may affect root growth are ...
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Spatial Variability of Soil Properties in Archeological Dark Earth Sites under Cacao Cultivation
... soil bulk density (BD), geometric mean diameter (GMD), and organic carbon (OC), for four soil layers, in soils from areas of Archaeological Dark Earth under cacao ...
12
Soil attributes and quality under treated domestic sewage irrigation in sugarcane
... Soil bulk density; MA - Macroporosity; H + Al - Potential acidity; TP - Total porosity; WMD - Weighted mean diameter; ESP - Exchangeable sodium percentage; EC se - Electrical conductivity in the saturation ...
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Caracterização tecnológica de um ultramilonito da região de MarcoCE
... (bulk density, apparent porosity and water absorption apparent d'), uniaxial compression, bending in three and four points, AMSLER abrasive wear, impact and hard freezing and thawing body and speed of wave ...
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Soil physical and biological properties in an integrated crop-livestock system in the Brazilian Cerrado
... soil bulk density, total porosity, macroporosity, microporosity, penetration resistance, and aggregation were subjected to the analysis of variance, comparing the ICLS ...
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