water retention curves
Geostatistical modeling of spatial variability of water retention curves
... description of the spatial variability of water retention curves using the NP approach. Figures 12 and 13 show spatial distributions of locations where NP11 outperformed P and vice versa in terms of ...
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ASSESSMENT OF PEDOTRANSFER FUNCTIONS FOR ESTIMATING SOIL WATER RETENTION CURVES FOR THE AMAZON REGION
... soil water content at different matric potentials (Gupta & Larson, 1979; Saxton et ...of water and solutes in soil, as well as the soil-plant-atmosphere ...
14
Performance of the Groenevelt and Grant Model for Fitting Soil Water Retention Data from Brazilian Soils
... soil water retention curves extracted from the Brazilian Soil Hydrophysical Database (HYBRAS) (Ottoni et ...soil water content (θ) versus matric potential (h) were available, from soil ...
12
PEDOTRANSFER FUNCTIONS TO ESTIMATE WATER RETENTION PARAMETERS OF SOILS IN NORTHEASTERN BRAZIL
... low, water contents calculated using these parameters agree fairly well with observed water contents, encouraging the use of PTF-derived water retention models for soil water ...of ...
13
SOIL WATER RETENTION AND S INDEX AFTER CROP ROTATION AND CHISELING
... Soil compaction can be minimized either mechanically or biologically, using plant species with vigorous root systems. An experiment was carried out with soybean (Glycine max) in rotation with triticale (X Triticosecale) ...
12
Performance evaluation of different soil water retention functions for modeling of water flow under transient condition
... between water pressure and water content is not unique and presents hysteresis eff ...soil water retention curves estimation via the SWRC ...soil water models along with ...
12
Performance evaluation of different soil water retention functions for modeling of water flow under transient condition
... between water pressure and water content is not unique and presents hysteresis ...soil water retention curves estimation via the SWRC ...
12
WATER RETENTION IN A RHODIC KANDIUDOX UNDER ANIMAL MANURE APPLICATION AFTER 20 YEARS
... of water at saturation occurred in the NF in all layers, differing from the other evaluated areas (Figure 2), which may be related to a higher volume of biopores and macroporosity (Figure 1), as well as higher ...
14
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 ...soil water retention curve was ...
9
ESTIMATION OF WATER RETENTION AND AVAILABILITY IN SOILS OF RIO GRANDE DO SUL
... include water retention curves, organic matter, clay, silt and sand content, and bulk and particle ...of water retention were available for the tensions of 1, 6, 10, 33, 100, 300, 400, ...
14
Evaluation of water beef buffalo from birth to two years using different growth curves
... growth curves. Growth curves consolidate the information contained in the weight-age data into three or four biologically meaningful ...hyperbolic curves (designated L, G, QL, and LH, respectively) ...
3
Effects of peat bog humic substances and organic compounds in water retention of substrates
... Once saturated and adjusted in extractor plates, samples were subjected to the first tension (10 kPa) until reach equilibrium, i.e., when the extractor stop to remove water. Then, extractor was opened and ...
10
Soil water retention curve and hydraulic soil in coffee crop conilon submitted to subsoiling
... tillage, water retention and soil hydraulic conductivity in Conilon coffee crop (Coffea canephora Pierre) submitted to subsoiling in the ...of water retention and hydraulic ...higher ...
11
PEDOTRANSFER FUNCTIONS TO PREDICT WATER RETENTION FOR SOILS OF THE HUMID TROPICS: A REVIEW
... the water content variation than do the parameter-based ...of water content at matric potentials generally recognized as representing FC, ...the water depth that should be applied through irrigation ...
20
Transport and retention of phosphorus in surface water in an urban slum area
... strated the adverse pollution impacts owing to wastewater discharges into the tertiary channels and subsequently in the Nsooba channel. High Cl concentrations in urban rivers are usually associated with anthropogenic ...
36
Fitting soil-water characteristic curves by truncated normal nonlinear regression models. - Portal Embrapa
... feature of the data. The ML estimation procedure have successfully been applied and a simula- tion studies was provided to assess the quality of estimates for the proposed nonlinear regression model. Moreover, diagnostic ...
5
Contaminants retention in soils as a complementary water treatment method: application in soil-aquifer treatment processes
... besides water quality, other parameters will influence the extent of ...which water is applied to the soil surface) is also important to consider with lower hydraulic rates to achieve better results, ...
176
SOIL WATER RETENTION CURVE AND S INDEX AS SOIL PHYSICAL QUALITY INDICATORS FOR INTEGRATED PRODUCTION SYSTEMS
... The authors, attributes this behavior to the higher solar radiation incidence in the rows between trees, resulting in less hydric availability for the Eucalyptus and the brachiaria, and increasing the competition between ...
10
WATER RETENTION AND S INDEX OF AN OXISOL SUBJECTED TO WEED CONTROL METHODS IN A COFFEE CROP
... using water retention characteristics and the S index, the physical quality of an Oxisol (Red-Yellow Latosol), subjected to weed control during the cultivation of ...microporosity, water ...
9
PEDOTRANSFER FUNCTIONS FOR WATER RETENTION IN DIFFERENT SOIL CLASSES FROM THE CENTER-SOUTHERN RIO GRANDE DO SUL STATE
... Water retention in soil is used in many agronomic and environmental applications, but its direct measurement is time- consuming and ...the water content at potentials of -33 kPa (field capacity) and ...
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