Resistance to penetration
Soil resistance to penetration in cotton rows and interrows
... comparison to the sandy ...possible to claim whether the spatial variability had greater influence through the lower compaction or through the greater local ...contribution to soil compaction due ...
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Modeling of Soil load-Bearing CapaCity aS a funCtion of Soil MeChaniCal reSiStanCe to penetration
... (σp) to mechanical resistance to penetration (PR) and gravimetric soil water content (U) is important for defining strategies to prevent compaction of agricultural ...therefore ...
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Soil Resistance to Penetration and Least Limiting Water Range for Soybean Yield in a Haplustox from Brazil
... related to plant growth (Letey, 1985) and shows a strong relationship with plant root growth (Hoad et ...2 to 8 times higher than the maximum axial pressure that roots cause (Misra et ...difficult to ...
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EFFECT OF VETIVER ROOTS ON SOIL RESISTANCE TO PENETRATION IN A TYPIC FLUVIC NEOSSOL IN THE SÃO FRANCISCO RIVERBANK
... was to evaluate the effect of the root of vetiver grass (Chrysopogon zizanioides ...soil Resistance to penetration (RP) in the margins of the lower São Francisco ...order to increase ...
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AGRONOMICAL ATTRIBUTES OF SOYBEANS AND SOIL RESISTANCE TO PENETRATION IN NO-TILLAGE AND CHISELED SURFACES
... NT, penetration resistance (PR) has been used as soil compaction ...difficult to set critical values for this variable, since it is associated to soil moisture level, turning from a limiting ...
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CORRECTION OF RESISTANCE TO PENETRATION BY PEDOFUNCTIONS AND A REFERENCE SOIL WATER CONTENT
... To obtain the SPR correction equations as function of U, the variation range of the parameters used for their adjustment (SPR, BD, and U) must be wide enough. For this purpose, an experiment was established in ...
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INFLUÊNCIA DO TEMPO DE MANEJO NA MODELAGEM DA CURVA DE RESISTÊNCIA À PENETRAÇÃO DE UM LATOSSOLO SOB DIFERENTES USOS E MANEJO DE PASTAGENS E MATA NATIVA
... soil’s resistance to penetration is an important attribute to be inferred, for it has direct correlation with the effects of machinery and is affected by the soil’s density, total porosity, ...
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Water availability to soybean crop as a function of the least limiting water range and evapotranspiration
... equal to the available ...equal to or less than that corresponding to field ...soil resistance to penetration is not only related to soil moisture, but also to ...
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ASPECTS OF THE SILVOPASTORAL SYSTEM CORRELATED WITH PROPERTIES OF A TYPIC QuARTzIPSAMMEnT (EnTISOL) In MATO GROSSO DO SuL, BRAzIL
... lead to soil and pasture degradation. To impede this process, integrated cropping systems such as silvopasture have been an effective alternative, allied with precision agriculture based on soil mapping for ...
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SPATIAL VARIABILITY OF SOIL PENETRATION RESISTANCE INFLUENCED BY SEASON OF SAMPLING (
... was to analyze the spatial distribution of soil compaction and the influence of soil water content on the resistance to ...Soil resistance was assessed at 5 different depths, ...8.96% ...
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STRUCTURAL QUALITY OF SOILS CULTIVATED WITH COFFEE AND PASTURE IN AN ENVIRONMENTAL PROTECTION AREA
... was to evaluate the structural quality of soil cultivated with coffee and used as pasture in the Capituva’s River microbasin, which is located in the Environmental Protection Area in Coqueiral, south of the state ...
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SPATIAL VARIABILITY OF SOME BIOMETRICATTRIBUTES OF SUGARCANE PLANTS (VARIETY IACSP93-3046) AND ITS RELATION TO PHYSICAL AND CHEMICAL SOIL ATTRIBUTES (
... Tests to evaluate competition between plants, in general do not consider the soil spatial variability, nevertheless, the uniformity rarely is present and can not be assumed without ...was to apply ...
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Morphological, physical and pedogenetic attributes related to water yield in small watersheds in GuarapariES, Brazil
... related to the genesis, land use and management are important factors in water dynamics in ...related to water yield potential in small watersheds in Guarapari, ES, ...soil penetration ...
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Soil attributes and quality under treated domestic sewage irrigation in sugarcane
... for resistance to penetration (RP), soil bulk density (BD), macroporosity (Ma), potential acidity (H + Al), total porosity (TP), weighted mean diameter (WMD), exchangeable sodium percentage (ESP), ...
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Spatial Variability of Soil Properties in Archeological Dark Earth Sites under Cacao Cultivation
... used to determine soil macroporosity (Macro), microporosity (Micro), total porosity (TP), and soil resistance to penetration ...proportional to a decrease in OC content and lower Micro ...
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Contact pressures and the impact of farm equipment on Latosol with the presence and absence of sugarcane straw
... applied to soil result in a greater degree of compaction, in addition to promoting other negative ...was to quantify contact areas by using different methodologies, and pressures of farm equipment ...
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Penetration Resistance Tests on High Strength Concrete
... A relationship between compress i ve strength of a given concrete and its resistance to penetration by a steel probe fired into the concrete surface is presented to a compressive strengt[r] ...
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RESISTÊNCIA À PENETRAÇÃO EM SOLO CULTIVADO COM CANA-DE-AÇÚCAR EM DIFERENTES SISTEMAS DE MANEJO
... In all treatments, the 10 - 20 cm layer was the one with the highest PR, but the impact is different in each irrigation system, and the rainfed treatment has a penetration resistance peak twice higher than ...
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Soil Compaction in Sugarcane Fields Induced by Mechanization
... websites to encourage farmers to carry out subsoiling in sugarcane ...governments to address soil compaction in crop fields ...applied to clarify the behavior and manage the effects of soil ...
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Functional analysis of the Candida glabrata drug:H+ antiporters Dtr1 and Tpo4: role in stress resistance and virulence
... homology to the first and last 19 nucleotides of the first 1000 bp of the MTI promoter region (italic), nucleotide sequences with homology to the cloning site flanking regions of the pGREG576 vector ...
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