Water retention in the soil
WATER RETENTION AND AVAILABILITY IN SOILS OF THE STATE OF SANTA CATARINA-BRAZIL: EFFECT OF TEXTURAL CLASSES, SOIL CLASSES AND LITHOLOGY
... more water; nevertheless, as moisture increases in both field capacity (FC) and in the permanent wilting point (PWP), this does not always result in greater available water ...
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Chemical migration during soil water retention curve evaluation
... collected in a non-cultivated area, covered by grasses and weeds, near an Eucalyptus artificial forest; those of EN in a coffee field established in 2001; and those of RF in a native mixed ...
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Performance evaluation of different soil water retention functions for modeling of water flow under transient condition
... of water flow through unsaturated soils is necessary to understand their hydraulic properties, including soil water retention curve ...compared water retention curve derived from ...
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Performance of the Groenevelt and Grant Model for Fitting Soil Water Retention Data from Brazilian Soils
... 72 soil water retention curves extracted from the Brazilian Soil Hydrophysical Database (HYBRAS) (Ottoni et ...each soil, between 6 and 13 data pairs of soil water ...
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Performance evaluation of different soil water retention functions for modeling of water flow under transient condition
... of soil samples from studied sites are presented in Table 1. The parameters of the SWRC models obtained by fitting to measured data of water retention curve (Laboratory ...
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Estimation of the Retention and Availability of Water in Soils of the State of Santa Catarina
... ABSTRACT: Soil water retention and availability are important properties for agricultural production, which can be measured directly or estimated by pedotransfer ...out in Santa Catarina, ...
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Hydrostatic Equilibrium between Soil Samples and Pressure Plates Used in Soil Water Retention Determination: Consequences of a Questionable Assumption
... Subsequently, the lower sample surface was sealed with a cap and water at the upper side could evaporate into the laboratory ...and soil water contents were measured at five ...
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Litter Quality Affects Termite Sheeting Production and Water Infiltration in the Soil
... experiment, the consumption rate and amount of soil sheetings were linearly related to the water infiltration rate at the beginning of the Beerkan ...that the higher ...
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SOIL WATER RETENTION AND S INDEX AFTER CROP ROTATION AND CHISELING
... highest soil water retention between saturation and -60 hPa in the ...after the triticale plus pearl millet treatment (Figure 2a), at the end of the first year of ...
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Water retention and penetration resistance equations for the least limiting water range
... ABSTRACT: The least limiting water range is a soil physical quality indicator, which is useful to predict the optimum water range for plant growth in a given soil and to ...
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PEDOTRANSFER FUNCTIONS TO PREDICT WATER RETENTION FOR SOILS OF THE HUMID TROPICS: A REVIEW
... basic soil properties to volumetric water contents at different matric potentials (-6, -10, -33, -100, and -1500 ...kPa). The point-based PTFs of Tomasella et ...as the water content ...
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Retention and Solute Transport Properties in Disturbed and Undisturbed Soil Samples
... observed in the undisturbed soil leads to a lower Nash-Sutcliffe coefficient and a higher standard deviation (Table ...(2007), in an experiment with two Ferralsols of different texture (a ...
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WATER RETENTION IN A PEATLAND WITH ORGANIC MATTER IN DIFFERENT DECOMPOSITION STAGES
... higher in deeper layers of the profiles, which were classified as sapric (Table ...3). The reason is that organic matter was in more advanced stages of decomposition and subsidence, a common ...
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Transport and retention of phosphorus in surface water in an urban slum area
... was the dominant form of P in ...for the small- est fraction contributing less than 10 % of the total amount of P in the ...during the peak of the first rain event ...
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Water potential in peach branches as a function of soil water storage and evaporative demand of the atmosphere
... values in the Sandy Loam texture reached levels of approximately -15 bar, for soil water storage of approximately 12 mm, while for the same Yw values in the Sandy Clay ...
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EFFECTS OF SOIL WATER DEPLETION ON THE WATER RELATIONS IN TROPICAL KUDZU
... decrease in SWC found during this trial induced a change in RWC that characterizes a moderate water stress, according to Hsiao ...with the maintenance of high RWC while SWC decreased from 100% ...
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Soil water retention curve and hydraulic soil in coffee crop conilon submitted to subsoiling
... ABSTRACT: The objective of this study was to evaluate the effect of tillage, water retention and soil hydraulic conductivity in Conilon coffee crop (Coffea canephora Pierre) ...
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Contaminants retention in soils as a complementary water treatment method: application in soil-aquifer treatment processes
... In the framework of this dissertation carried out under EU MARSOL project ...several soil-column experiments were conducted at LNEC LASUB laboratory using a soil collected in SB ...
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Water retention curve to analyze soil structure changes due to liming
... determine the SWrC, the van genuchten model (van genuchten 1980) is often employed to parameterize data of soil water content (θ) as function of the matric potential (h) (Auler et ...
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ASSESSMENT OF PEDOTRANSFER FUNCTIONS FOR ESTIMATING SOIL WATER RETENTION CURVES FOR THE AMAZON REGION
... conducted in the southeast of the State of Pará, Brazil, in three locations, corresponding to the municipalities of Nova Ipixuna, Parauapebas, and Pacajá, with coordinates of 4 o 36’ S, ...
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