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Title: Estimation of soil characteristics from texture in RD 838 of I. G. N. P. Stage – II
Authors: Mittal, Sanjay
Kumar, C P
Issue Date: Jun-2012
Publisher: NISCAIR-CSIR, India
Abstract: Hydrologic analyses often involve the evaluation of soil water infiltration, conductivity, storage, and plant-water relationships. Definig the hydrologic soil water effects requires estimating soil water characteristics for water potential and hydraulic conductivity using soil variables 0such as texture, organic matter and structure. Field or laboratory measurements are difficult, costly and often impractical for many hydrologic analyses. Statistical correlations between soil texture, soil water potential and hydraulic conductivity can provide estimates sufficiently accurate for many analyses and decisions. Saxton and Rawls (2006) developed soil water characteristic equations from the available USDA soil data base using only the readily available variables of soil texture and organic matter. This paper presents the soil characteristics estimated at RD 838 of Indira Gandhi Nahar Priyojana, Stage – II using soil water characteristic equations developed by Saxton and Rawls (2006). The study area is found to be predominantly covered by loamy sand and sand, wilting point varying from 0.003 to 0.038, field capacity 0.048 to 0.106, saturated moisture content 0.392 to 0.417 and saturated hydraulic conductivity 63.19 mm/hour to 197.08 mm/hour.
Page(s): 141-145
ISSN: 0975-2412 (Online); 0771-7706 (Print)
Appears in Collections:BVAAP Vol.20(1) [June 2012]

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