Water retention in soil
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 ...
12
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 ...
11
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 loamy ...
10
Performance of the Groenevelt and Grant Model for Fitting Soil Water Retention Data from Brazilian Soils
... difference in shape among the three models occurs in the near-saturated range, as shown for the cases with the best (soil ID-545; figure 2a) and the worst fit (soil ID-282; figure 2b) with GRT ...
12
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 ...was in more advanced stages of decomposition and subsidence, a common finding in organic soils (Ingram, 1983; Moore, ...
12
Water retention and penetration resistance equations for the least limiting water range
... of soil physical quality able to integrate soil physical parameters in a single index that can be easily measured and correlated with crop production factors (Dexter, 2004; Letey, 1985; Silva et ...
7
Nota Filter PaPer Method For the deterMiNatioN oF the Soil Water reteNtioN Curve
... been in use for some time in the field of Civil Engineering, as noted by Chandler and Gutierrez ...measuring soil potential (AStM, 2003), reaching far higher ranges of water potential ...
9
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, 49º 26’ W; 5 o 45’ ...
14
PEDOTRANSFER FUNCTIONS TO ESTIMATE WATER RETENTION PARAMETERS OF SOILS IN NORTHEASTERN BRAZIL
... models in agricultural sciences has increased significantly over the last ...data. In the case of water and solute balance modelling, data of soil hydraulic properties is the most relevant ...
13
Geostatistical modeling of spatial variability of water retention curves
... estimate soil water retention model ...discussed in this paper, but, it should be noted that the full-automatic approach worked very well in most cases when applied to a number ...
32
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 ...the soil maximum retention capacity, and the pattern of ...
7
WATER RETENTION IN A RHODIC KANDIUDOX UNDER ANIMAL MANURE APPLICATION AFTER 20 YEARS
... carbon in the superficial layer, in relation to the M20, agreeing with Portugal et ...increase soil organic matter on the surface over time. The minimum soil disturbance, lack of incorporation ...
14
Transport and retention of phosphorus in surface water in an urban slum area
... that inorganic phosphorus was the dominant form of P in sediments. Most P was asso- ciated with Ca followed by Fe/Al. Adsorbed P (i.e. available P) accounted for the small- est fraction contributing less than 10 % ...
36
ESTIMATION OF WATER RETENTION AND AVAILABILITY IN SOILS OF RIO GRANDE DO SUL
... availability in the silt clay class is related to the greater presence of clay and silt, with a larger specific surface ...greatest retention are analyzed, it is observed that these soils are less weathered ...
14
WATER RETENTION AND AVAILABILITY IN SOILS OF THE STATE OF SANTA CATARINA-BRAZIL: EFFECT OF TEXTURAL CLASSES, SOIL CLASSES AND LITHOLOGY
... main soil classes of the State of Santa Catarina, consisting of two Argissolos Amarelos (Acrisols), two Argissolos Vermelhos (Acrisols), five Argissolos Vermelho-Amarelos (Acrisols), two Cambissolos Háplicos ...
14
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 ...of water retention curve (Laboratory measurements section) for the three studied sites are shown in Table ...models ...
12
Influence of Soil Water Retention Properties on Hydrological Cycle and Water Budgeting Module Simulation
... soils in the region of Herzegovina fall into the R = 100 mm category, it is possible to apply a retrospective extension of the calculated procedure on a long-lasting time ...done in this paper for the ...
5
Water retention curve to analyze soil structure changes due to liming
... characteristics in acid ...the soil structure based on analysis of water retention data using a cubic spline adjustment ...on soil water retention characteristics and pore ...
12
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 ...
13
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 ...taken in the line (P1) and leading ...
11