[
Bachmann, J., Ellies, A., Hartge, K.H., 2000. Development and application of a new sessile drop contact angle method to assess soil water repellency. Journal of Hydrology, 231–232, 66–75. https://doi.org/10.1016/S0022-1694(00)00184-010.1016/S0022-1694(00)00184-0
]Search in Google Scholar
[
Benito, E., Varela, E., Rodríguez-Alleres, M., 2019. Persistence of water repellency in coarse-textured soils under various types of forests in NW Spain. Journal of Hydrology and Hydromechanics, 67, 2, 129–134. https://doi.org/10.2478/johh-2018-003810.2478/johh-2018-0038
]Search in Google Scholar
[
Bisdom, E.B.A., Dekker, L.W., Schoute, J.F.T., 1993. Water repellency of sieve fractions from sandy soils and relationships with organic material and soil structure. Geoderma, 56, 105–118.https://doi.org/10.1016/B978-0-444-81490-6.50013-310.1016/B978-0-444-81490-6.50013-3
]Search in Google Scholar
[
Blake, G.R., Hartge, K.H., 1986a. Bulk density. In: Klute, A. (Ed.): Methods of Soil Analysis. Part 1: Physical and Miner-alogical Methods. 2nd Ed. Soil Science Society of America: Madison, WI., pp. 363–375. https://doi.org/10.2136/sssabookser5.1.2ed.c1310.2136/sssabookser5.1.2ed.c13
]Search in Google Scholar
[
Blake, G.R., Hartge, K.H., 1986b. Particle density. In: Klute, A. (Ed.): Methods of Soil Analysis. Part 1: Physical and Miner-alogical Methods. 2nd Ed. Soil Science Society of America: Madison, WI., pp. 377–382. https://doi.org/10.2136/sssabookser5.1.2ed.c1410.2136/sssabookser5.1.2ed.c14
]Search in Google Scholar
[
Bouyoucos, G.J., 1962. Hydrometer method improved for making particle size analyses of soils. Agronomy Journal, 54, 5, 464–465. https://doi.org/10.2134/agronj1962.00021962005400050028x10.2134/agronj1962.00021962005400050028x
]Search in Google Scholar
[
Chenu, C., Le Bissonnais, Y., Arrouays, D., 2000. Organic matter influence on clay wettability and soil aggregate stability. Soil Science Society of America Journal, 64, 4, 1479–1486. https://doi.org/10.2136/sssaj2000.6441479x10.2136/sssaj2000.6441479x
]Search in Google Scholar
[
Debano, L.F., 1981. Water repellent soils: a state-of-the art. General Technical Report PSW-46, Berkeley, CA: USDA Forest Service, Pacific Southwest Forest and Range Experiment Station, pp. 2–4.
]Search in Google Scholar
[
Diamantopoulos, E., Durner, W., 2013. Physically-based model of soil hydraulic properties accounting for variable contact angle and its effect on hysteresis. Advances in Water Resources, 59, 169–180. https://doi.org/10.1016/j.advwatres.2013.06.00510.1016/j.advwatres.2013.06.005
]Search in Google Scholar
[
Doerr, S.H., Shakesby, R.A., Walsh, R.P.D., 1996. Soil hydro-phobicity variations with depth and particle size fraction in burned and unburned Eucalyptus globulus and Pinus pinaster forest terrain in the Águeda Basin, Portugal. Catena, 27, 25–47. https://doi.org/10.1016/0341-8162(96)00007-010.1016/0341-8162(96)00007-0
]Search in Google Scholar
[
Doerr, S.H., Shakesby, R.A., Walsh, R.P.D., 2000. Soil water repellency: Its causes, characteristics and hydro-geo morphological significance. Earth Sci. Rev., 51, 33–65. https://doi.org/10.1016/S0012-8252(00)00011-810.1016/S0012-8252(00)00011-8
]Search in Google Scholar
[
Hallett, P.D., 2007. An introduction to soil water repellency. In: Gaskin, R.E. (Ed.): Proc. 8th Int. Symp. on Adjuvants for Agrochem. Hand Multimedia, Christchurch, NZ. 13 p. ISBN 978-0-473-12388-8.
]Search in Google Scholar
[
Hansel, F.A., Aoki, C.T., Maia, C.M., Cunha Jr, A. and Dedecek, R.A., 2008. Comparison of two alkaline treatments in the extraction of organic compounds associated with water repellency in soil under Pinus taeda. Geoderma, 148, 2, 167–172. https://doi.org/10.2134/agronj1962.00021962005400050028x10.2134/agronj1962.00021962005400050028x
]Search in Google Scholar
[
Iovino, M., Pekárová, P., Hallett, P.D., Pekár, J., Lichner, Ľ., Mataix-Solera, J., Alagna, V., Walsh, R., Raffan, A., Schacht, K., Rodný, M., 2018. Extent and persistence of soil water repellency induced by pines in different geographic regions. Journal of Hydrology and Hydromechanics, 66, 4, 360–368. https://doi.org/10.2478/johh-2018-002410.2478/johh-2018-0024
]Search in Google Scholar
[
Karunarathna, A.K., Chhoden, T., Kawamoto, K., Komatsu, T., Moldrup, P., de Jonge, L.W., 2010. Estimating hysteretic soil-water retention curves in hydrophobic soil by a minitensiometer˗TDR coil probe. In: Proc. 19th World Congress of Soil Science, Soil Solutions for a Changing World, Brisbane, Australia, pp. 58–61. Published on DVD.
]Search in Google Scholar
[
Keizer, J.J., Doerr, S.H., Malvar, M.C., Prats, S.A., Ferreira, R.S.V., Oñate, M.G., Coelho, C.O.A., Ferreira, A.J.D., 2008. Temporal variation in topsoil water repellency in two recently burnt eucalypt stands in north-central Portugal. Catena, 74, 192–204. https://doi.org/10.1016/j.catena.2008.01.00410.1016/j.catena.2008.01.004
]Search in Google Scholar
[
Kobayashi, M., Shimizu, T., 2007. Soil water repellency in a Japanese cypress plantation restricts increases in soil water storage during rainfall events. Hydrological Processes, 21, 2356–2364. https://doi.org/10.1002/hyp.675410.1002/hyp.6754
]Search in Google Scholar
[
Leelamanie, D.A.L., 2016. Occurrence and distribution of water repellency in size fractionated coastal dune sand in Sri Lanka under Casuarina shelterbelt. Catena, 142, 206–212. https://doi.org/10.1016/j.catena.2016.03.02610.1016/j.catena.2016.03.026
]Search in Google Scholar
[
Leelamanie, D.A.L., Karube, J., Yoshida, A., 2008. Characterizing water repellency indices: Contact angle and water drop penetration time of hydrophobized sand. Soil Science & Plant Nutrition, 54, 2, 179–187. https://doi.org/10.1111/j.1747-0765.2007.00232.x10.1111/j.1747-0765.2007.00232.x
]Search in Google Scholar
[
Letey, J., Osborn, J., Pelishek, R.E., 1962. The influence of the water-solid contact angle on water movement in soil. Hydro-logical Sciences Journal, 7, 3, 75–81. https://doi.org/10.1080/0262666620949327210.1080/02626666209493272
]Search in Google Scholar
[
Lichner, Ľ., Capuliak, J., Zhukova, N., Holko, L., Czachor, H., Kollár, J., 2013. Pines influence hydrophysical parameters and water flow in a sandy soil. Biologia, 68, 6, 1104–1108. https://doi.org/10.2478/s11756-013-0254-710.2478/s11756-013-0254-7
]Search in Google Scholar
[
Lichner, L., Hallett, P.D., Feeney, D.S., Ďurová, O., Šír, M., Tesař, M., 2007. Field measurement of soil water repellency and its impact on water flow under different vegetation. Biologia, 62, 5, 537–541. https://doi.org/10.2478/s11756-007-0106-410.2478/s11756-007-0106-4
]Search in Google Scholar
[
Lichner, L., Holko, L., Zhukova, N., Schacht, K., Rajkai, K., Fodor, N., Sandor, R., 2012. Plants and biological soil crust influence the hydrophysical parameters and water flow in an aeolian sandy soil. Journal of Hydrology and Hydromechanics, 60, 4, 309–318. DOI: 10.2478/v10098-012-0027-y10.2478/v10098-012-0027-y
]Search in Google Scholar
[
Lichner, Ľ., Iovino, M., Šurda, P., Nagy, V., Zvala, A., Kollár, J., Pecho, J., Píš, V., Sepehrnia, N., Sándor, R., 2020. Impact of secondary succession in abandoned fields on some properties of acidic sandy soils. Journal of Hydrology and Hydromechanics, 68, 1, 12–18. https://doi.org/10.2478/johh-2019-002810.2478/johh-2019-0028
]Search in Google Scholar
[
Liyanage, T.D.P., Leelamanie, D.A.L., 2016. Influence of organic manure amendments on water repellency, water entry value, and water retention of soil samples from a tropical Ultisol. Journal of Hydrology and Hydromechanics, 64, 2, 160–166. https://doi:10.1515/johh-2016-002510.1515/johh-2016-0025
]Search in Google Scholar
[
Lozano-Baez, S.E., Cooper, M., de Barros Ferraz, S.F., Ribeiro Rodrigues, R., Lassabatere, L., Castellini, M., Di Prima, S., 2020. Assessing water infiltration and soil water repellency in Brazilian Atlantic forest soils. Applied Sciences, 10, 6, 1950. https://doi.org/10.3390/app1006195010.3390/app10061950
]Search in Google Scholar
[
Moody, J.A., Kinner, D.A., Úbeda, X., 2009. Linking hydraulic properties of fire-affected soils to infiltration and water repellency. Journal of Hydrology, 379, 3–4, 291–303. https://doi.org/10.1016/j.jhydrol.2009.10.01510.1016/j.jhydrol.2009.10.015
]Search in Google Scholar
[
National Atlas of Sri Lanka, 2007. 2nd Ed. Survey Department of Sri Lanka. Colombo, Sri Lanka.
]Search in Google Scholar
[
Onderka, M., Wrede, S., Rodný, M., Pfister, L., Hoffmann, L., Krein, A., 2012. Hydrogeologic and landscape controls of dissolved inorganic nitrogen (DIN) and dissolved silica (DSi) fluxes in heterogeneous catchments. Journal of Hydrology, 450, 36–47. https://doi.org/10.1016/j.jhydrol.2012.05.03510.1016/j.jhydrol.2012.05.035
]Search in Google Scholar
[
Ouyang, L., Wang, F., Tang, J., Yu, L., Zhang, R., 2013. Effects of biochar amendment on soil aggregates and hydraulic properties. J. Soil Sci. Plant Nutr., 13, 4, 991–1002. http://dx.doi.org/10.4067/S0718-9516201300500007810.4067/S0718-95162013005000078
]Search in Google Scholar
[
Pavelková, H., Dohnal, M., Vogel, T., 2012. Hillslope runoff generation-comparing different modeling approaches. Journal of Hydrology and Hydromechanics, 60, 73–86. DOI: 10.2478/v10098-012-0007-210.2478/v10098-012-0007-2
]Search in Google Scholar
[
Philip, J., 1969. Theory of infiltration. Advances in Hydroscience, 5, 215–296.10.1016/B978-1-4831-9936-8.50010-6
]Search in Google Scholar
[
Piyaruwan, H.I.G.S., Leelamanie, D.A.L., 2020. Existence of water repellency and its relation to structural stability of soils in a tropical Eucalyptus plantation forest. Geoderma, 380, 114679. https://doi.org/10.1016/j.geoderma.2020.11467910.1016/j.geoderma.2020.114679
]Search in Google Scholar
[
Piyaruwan, H.I.G.S., Jayasinghe, P.K.S.C., Leelamanie, D.A.L., 2020. Water repellency in eucalyptus and pine plantation forest soils and its relation to groundwater levels estimated with multi-temporal modeling. Journal of Hydrology and Hydromechanics, 68, 4, 382–391. https://doi.org/10.2478/johh-2020-003010.2478/johh-2020-0030
]Search in Google Scholar
[
Rodný, M., Lichner, L., Schacht, K., Holko, L., 2015. Depth-dependent heterogeneity of water flow in sandy soil under grass. Biologia, 70, 11, 1462–1467. http://dx.doi.org/10.1515/biolog-2015-016710.1515/biolog-2015-0167
]Search in Google Scholar
[
Rowell, M.J., Coetzee, M.E., 2003. The measurement of low organic matter contents in soils. South African Journal of Plant Soil, 20, 2, 49˗53. https://doi.org/10.1080/02571862.2003.1063490710.1080/02571862.2003.10634907
]Search in Google Scholar
[
Schumacher, B.A., 2002. Methods for the determination of total organic carbon (TOC) in soils and sediments. Ecological Risk Assessment Support Center Office of Research and Development, US Environmental Protection Agency, 25 p.
]Search in Google Scholar
[
Shaver, T.M., Peterson, G.A., Sherrod, L.A., 2003. Cropping intensification in dryland systems improves soil physical properties: regression relations. Geoderma, 116, 149–164. https://doi.org/10.1016/S0016-7061(03)00099-510.1016/S0016-7061(03)00099-5
]Search in Google Scholar
[
Soil Survey Staff, 2014. Keys to Soil Taxonomy. 12th Ed., United States Department of Agriculture, Natural Resources Conservation Service, pp. 290–303.
]Search in Google Scholar
[
Šurda, P., Lichner, Ľ., Kollár, J., Nagy, V., 2020. Differences in moisture pattern, hydrophysical and water repellency parameters of sandy soil under native and synanthropic vegetation. Biologia, 75, 6, 819–825. https://doi.org/10.2478/s11756-020-00415-z10.2478/s11756-020-00415-z
]Search in Google Scholar
[
Wahl, N.A., Bens, O., Schäfer, B., Hüttl, R.F., 2003. Impact of changes in land-use management on soil hydraulic properties: hydraulic conductivity, water repellency and water retention. Physics and Chemistry of the Earth, 28, 1377–1387. https://doi.org/10.1016/j.pce.2003.09.01210.1016/j.pce.2003.09.012
]Search in Google Scholar
[
Wallis, M.G., Scotter, D.R., Horne, D.J., 1991. An evaluation of the intrinsic sorptivity water repellency index on a range of New Zealand soils. Soil Research, 29, 3, 353–362. https://doi.org/10.1071/SR991035310.1071/SR9910353
]Search in Google Scholar
[
Wang, Z., Wu, L., Wu, Q.J., 2000. Water-entry value as an alternative indicator of soil water-repellency and wettability. Journal of Hydrology, 231–232, 76–83. https://doi.org/10.1016/S0022-1694(00)00185-210.1016/S0022-1694(00)00185-2
]Search in Google Scholar
[
Wessolek, G., Schwärzel, K., Greiffenhagen, A., Stoffregen, H., 2008. Percolation characteristics of a water-repellent sandy forest soil. European Journal of Soil Science, 59, 14–23. https://doi.org/10.1111/j.1365-2389.2007.00980.x10.1111/j.1365-2389.2007.00980.x
]Search in Google Scholar
[
Zhang, R., 1997. Determination of soil sorptivity and hydraulic conductivity from the disk infiltrometer. Soil Science Society of America Journal, https://doi.org/10.2136/sssaj1997.03615995006100040005x10.2136/sssaj1997.03615995006100040005x
]Search in Google Scholar