Mahammad Manhal Al-Zubi^*(1) Moaammar Dayyoub⁽¹⁾ Wasim Adla⁽¹⁾ Rabiaa Al-Hayek⁽¹⁾ Mostafa Badda⁽¹⁾ Nada Ghaiba⁽¹⁾ Omar Jezdan⁽²⁾ and Ilham Taameh⁽²⁾

(1). General Commission for Scientific Agricultural Research (GCSR), Damascus, Syria.

(2). Arab Center for the Studies of Arid Zones and Dry Lands (ACSAD), Damascus, Syria.

(*Corresponding author: Dr. Mahammad Manhal Al-Zubi. E-Mail: manhalzo@yahoo.com). 

Received: 19/07/2017                                Accepted: 30/11/2017

Abstract

An experiment was conducted for two seasons 2015 -2016, to study the effect of treated waste water (TWW) on some fodder crops productivity at Salamieh Research Center (GCSAR), on triticale and sesbania crops within crop rotation. This experiment was conducted with collaboration between (ACSAD) and (GCSAR). The experimental design was split plot design with three replicates, using drip irrigation (DI) and surface irrigation (SI) systems with two treatments namely fresh water (FW) and (TWW).  Soil and water were analyzed before cultivation. The results showed significant differences in the productivity of triticale grain yield of the treatments irrigated with (TWW) (2.06 ton/ha) compared to the treatments irrigated with (FW) (1.39 ton/ha). Also, significant differences in the productivity of sesbania green fodder yield of the treatments irrigated with (TWW) (39.18 ton/ha) compared to the treatments irrigated with (FW) (35.25 ton/ha). The increasing of triticale grain and straw yields were not significant in the treatments irrigated with (DI) (7.2 and 1.88 ton/ha, respectively) compared to the treatments irrigated with (SI) (1.57 and 6.71 ton/ha, respectively). Furthermore, results showed significant differences in productivity of sesbania green fodder yield in the treatments irrigated with (DI) (42.3 ton/ha) compared to the treatments irrigated with SI (32.13 ton/ha). Also, the differences in productivity of sesbania grain yield was significant in the treatments irrigated with (DI) (1.1 ton/ha) compared to the treatments irrigated with (SI) (0.74 ton/ha). No significant differences in soil heavy metals results when treatments irrigated with (TWW) or (FW), as well as treatments irrigated with DI or SI. It was noticed that there were no significant differences in plant heavy metals results in triticale crop, whereas, significant differences were noticed in heavy metals (Pb ,Cr, Co, Cd) in green fodder when treatments irrigated with (TWW) (5.38, 16.67, 5.73, and 0.14 mg/kg, respectively) compared to the treatments irrigated with (FW) (3.63, 12.5, 3.4, 0.11 mg/kg, respectively), taking into consideration that heavy metals accumulated in soil and plant were within acceptable limits.

Key words: Treated wastewater, Irrigation methods, Water quality, Heavy metals, Triticale, Sesbania.   

Full paper in Arabic: PDF