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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/9353

Title: Effect of Sewage Water Deposits Retained at Different Depths of Soil Columns on Population Development of Tylenchulus
Authors: Al-Hazmi, A. S.
F. A. Al-Yahya
M. A. El-Saedy
Issue Date: 1991
Abstract: A Split-plot experiment was conducted in the growth chamber to determine the effect of sewage water deposits, retained at different depths of soil columns, on development of Tylenchulus semipenetrans. Sandy loam soil columns in PVC tubes were treated with a total of 71 of tap water, 7 or 281 of sewage water in 14 days. Soils from different depths ( 0 - 7 , 7 - 14 and 14 - 21 cm. ) of columns were then emptied in plastic pots. To each pot, a lime seedling was transplanted and then inoculated with 5,000 second-stage juveniles of T. semipenetrans. Effects of the water treatments on nematode population development were not significantly different. However, population development was significantly higher on seedlings grown in soil collected from the lowest depth than from the upper depths of the soil columns.
URI: http://hdl.handle.net/123456789/9353
Appears in Collections:College of Foods And Agricultural Science

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