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Pakistan Journal of Biological Sciences
Year: 2013  |  Volume: 16  |  Issue: 14  |  Page No.: 651 - 660

Use of Palm (Poenix dactilyfera L.) Fiber and Sewage Sludge Co Compost as Substrates in Soilless Crop System

Ahmed Latigui, Jong Myung Choi, Zineb Regagba, Daniella Meyer Allevato and Amina Latigui    

Abstract: The Co-Compostage (CC) of Palm (Poenix dactylifera L.) Fiber (PF) and Sewage Sludge (SS) at volume rate (1PF/1SS), mixed with Top Soil (TS) have been used as a substrate for cucumber cultivated in soilless crop system. Five substrates with volume ratio T (CC-TS) were tested: T (10-0), T (9-1), T (8-2), T (7-3) and T (6-4). They were compared to peat in nursery and to TS in Cucumis sativus L. crop production. Total porosity, bulk density, moisture content, rate of drainage, pH and electritical conductivity of T (8-2) and T (7-3) were relatively favorable for plant growth. After 45 days of growth and in comparison to peat, T (9-1), T (8-2) and T (7-3) gave the best parameters of root development: volume, architecture, length, number, best seedling growth and a positive correlation (R = 0.751) between root and shoot dry matter. After 120 days, cucumber attained the best root development under T (8-2) and T (7-3). Fruits production of these substrates was 40% higher than those of the control.

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