Soil-water retention curve
Nota Filter PaPer Method For the deterMiNatioN oF the Soil Water reteNtioN Curve
... a retention curve by the conventional methods of the richards Chamber and haines Funnel limit its use; therefore, alternative methods to facilitate this routine are ...the soil water ...
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Chemical migration during soil water retention curve evaluation
... of soil chemical elemental migrations in samples submitted to repeated W-D cycles during evaluations of soil water retention curve ...the water extracted from the samples and ...
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Soil Water Retention Curve as Affected by Sample Height
... of soil water flow is essential for several areas of agriculture, soil science, and hydrology, such as irrigation and fertilizer management, remediation of polluted areas, and many ...the soil ...
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Physical-hydraulic soil attributes in an integrated production system with different “paricá” forest component arrangements
... and water retention curve of a Haplustox under single, double, and triple “paricá” (Ochroma pyramidale) lines in an integrated production system at 50 months of ...implantation. Soil was ...
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Revista Brasileira de Engenharia Agrícola e Ambiental
... the soil structural physical attributes on the water retention and to develop pedotransfer functions (PTFs) for the estimation of the soil water content (θ) at different matric ...
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ASSESSMENT OF PEDOTRANSFER FUNCTIONS FOR ESTIMATING SOIL WATER RETENTION CURVES FOR THE AMAZON REGION
... the soil water retention curve (SWRC) is essential for understanding and modeling hydraulic processes in the ...of soil hydraulic ...includes soil texture (sand, silt, and clay), ...
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Water retention and penetration resistance equations for the least limiting water range
... Results from fitting the soil water retention curve functions described by Eqs. 2, 3 and 4 are presented in Table 2. The nonlinear regression procedure achieved convergence for all equations ...
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SOIL WATER RETENTION AND S INDEX AFTER CROP ROTATION AND CHISELING
... natural soil particle consolidation (Dias ...the soil structural quality would be the use of crop rotation of species with vigorous root systems, able to grow through soil layers with high ...
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Performance evaluation of different soil water retention functions for modeling of water flow under transient condition
... estimated soil water retention curve (SWRC) and free drainage with the measurement are shown in Tables 5 and 6, ...experimental water retention data were fitted to the different ...
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Efeito de métodos de controle de plantas invasoras nos atributos hídricos de um Latossolo
... of soil physical degradation processes such as compaction and hydric ...in soil structure. One important soil physical attribute used for the analysis of modifications in soil structure is the ...
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Use of capacitive sensors with the instantaneous profile method to determine hydraulic conductivity
... monitor soil water tension continuously, the instantaneous profile method is considered laborious, requiring a lot of time, and especially manpower, to set up and ...of soil moisture obtained by the ...
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Índice S e crescimento radicular da soja em diferentes classes texturais
... using soil physical attributes and validate it with soybean root growth, in soils with different textural ...distribution, soil bulk density, critical soil bulk density, degree of compaction, ...
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Braz. J. Phys. vol.40 número4
... as soil, Alexander & Skaggs [4] presented a theoretical model for the hydraulic conductivity measurement of non saturated soils from the retention curve data considering that water flows ...
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SEÇÃO IX - POLUIÇÃO DO SOLO E QUALIDADE AMBIENTAL
... the curve shape of soil water retention were observed, that is, the curve tended to the characteristic S shape, which, according to Dexter (2004), would indicate soil physical ...
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PHYSICAL ATTRIBUTES OF DISTROFERRIC RED LATOSOL UNDER FOUR EUCALYPT SPECIES OVER THE LONG TERM
... the soil aggregates, and it is affected basically by textur e, min er alogical composition, content and quality of organic carbon (HILLEL, ...The water retention curves establishes the relation ...
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Geostatistical modeling of spatial variability of water retention curves
... of water retention and hydraulic conductivity characteristics that are usually described by various functional ...The water retention characteristic for a given soil is usually obtained ...
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ESTIMATION OF WATER RETENTION AND AVAILABILITY IN SOILS OF RIO GRANDE DO SUL
... representative soil classes and horizons in different regions of the State, resulting in a total of 725 datasets, which include water retention curves, organic matter, clay, silt and sand content, ...
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BIMODAL PORE DISTRIBUTION ON SOILS UNDER CONSERVATION MANAGEMENT SYSTEM FOR COFFEE CROP
... contrasting soil classes may occur predominant structural pores, those of larger diameter (inter-aggregates), which are likely by management change (DEXTER, 2004) and textural pores that occur in a very small ...
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Retention and Solute Transport Properties in Disturbed and Undisturbed Soil Samples
... immobile water regions are present that do not participate in convective movement (Wierenga and van Genuchten, ...the water retention curve (parameter n), adding an independent parameter, ...
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Evaluation of Meteorological Elements and Lettuce (lactuca Sativa, L.) Yield Related to Geographic Orientation of Polyethylene Greenhouses
... minimum soil water potential for the best lettuce performance as well as to verify the variability and the spatial dependency of evaporation and, consequently, the energy distribution ...
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