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Mohabati N, Gholami L, Kavian A, Shokrian F. Hydrophobicity Changes using Zeolite, Compost and Combination of Zeolite and Compost. Degradation and Rehabilitation of Natural Land. 2021; 2 (3) :44-54
URL: http://drnl.sanru.ac.ir/article-1-163-en.html
Sari Agricultural Sciences and Natural Resources University
Abstract:   (343 Views)
    Soil hydrophobicity is an effective characteristic on plants growth, surface and subsurface hydrology and soil erosion. The application of soil conditioners can be have the various effects on hydrophobicity phenomenon. Therefore, the present study was conducted with study aim of effect of zeolite, compost and combination of these two conditioners on changing soil hydrophobicity and different time periods. For study of changing soil hydrophobicity used from two types of organic conditioner (compost) and mineral conditioner (zeolite) in laboratory conditions. The experiments performed at before and after application of rainfall simulator and the applied values for compost and zeolite were with rates of 7.1 and 5.8 g, respectively. Also in the present study, the phenomenon study of hydrophobicity was conducted using time periods of 24 hour, two, four, eight, 16 and 32 weeks. The results showed that the zeolite as an organic conditioner had the maximum effect before and after application of rainfall simulator on hydrophobicity changes with changes percentage -93.7, 18.9, 71.72, 57.24, -3.10 and 78.28% (before rain simulator) and -22.7, 56.8, 60.9, 54.5 , -54.9 and 78.1percent (after rain simulator). Also, the separation effect of conservation treatment, time and rainfall simulator had positive an effect on changing hydrophobicity was significant at level of 99 percent.  Also, the results showed that the hydrophobicity rates decreased after simulator application toward before simulator application.
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Type of Study: Research |
Received: 2021/01/9 | Accepted: 2021/07/13 | Published: 2021/05/31

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