Improving sandy soils using cellulose derivatives. II- Pore size distribution, soil water retention, soil hydraulic conductivity and soil hydraulic resistivity

Tayel, M.Y.; Ghazy, A.; Abdel-Aal, R.S.; Wanas, S., A.

Egyptian Journal of Soil Science 41(1-2): 231-242

2001


Accession: 010809691

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Abstract
The current investigation aims at knowing the role of both CMC and CX on improving soil-water relationships; pore size distribution, soil water retention, soil hydraulic conductivity and soil hydraulic resistivity. A surface sandy soil from Abu-Rawash was incorporated with carboxymethyl cellulose (CMC) and cellulose xanthate (CX) at the rates 0.0, 0.2, 1.0, 2.0 and 4.0 g/100g soil. Results reveal that all samples treated with CMC and CX at different application rates are affected positively on capillary pores (CP), water holding pores (WHP), fine capillary pores (FCP), moisture retention (MR) and soil hydraulic resistivity (SHR) but negatively, the drainable pores (DP), and soil hydraulic conductivity (SHC). Generally, CMC possesses beneficial effects on the parameters under study.