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Effect Of Fuel Oil And Shenblan Plant On Some Hydraulic Properties Of A Gypsum Soil:1- Moisture Profile And moisture description curve | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 13, Issue 4, 2013, Pages 103-112 | ||
| Abstract | ||
| A field experiment was implement to study the effects of fuel oil and shenmblan plant on moisture profile and moisture description curve of the gypsum soil. After dilution with benzene, fuel oil was mixed with soil in the ratio of 1 and 2 % based on soil dry weight. The plant was air dried and sieved through 2 cm diameter sieve and mixed with the soil in the ratio of 2, 4 and 6 % based on soil dry weight. Fuel and shenmblan plant mixed soil was incubated at field capacity for 30 days. Control was let without any addition. moisture profile was estimated . Quantity of water absorbed and distance of the wetting front advance with time were measurd. The total time was noted when the wetting front reached 30 cm in soil column .Capillary height of water was measured for all experimental treatments in a period of 168 hr. Results showed the mean pore radius of experimental treatments decreased when fuel oil and shenmblan plant were added the value was 0.70672 µ m for control and became 0.55471 and 0.53641 µ m for fuel oil ( 1 and 2 % respectively ) and 0.40728 , 0.41256 and 0.32666 µ m for shenmblan plant ( 2.4 and 6 % , respectively ). Addition of fuel oil and shenmblan plant resulted in delay in moisture profile of experimental treatment compared with control. The highest time required for reaching the wetting front a distance of 30 cm was 220 min. which belonged to 2 % fuel oil treatment . Addition of fuel oil and shenmblan plant led to decrease the values of capillary height of water during (168) hr. The highest value was (28.2) cm for control and the lowest was (18.1) cm for 2 % fuel oil treatment. | ||
| Keywords | ||
| Fuel oil; moisture profile | ||
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