Productivity of Maize (Zea mays) and Sorghum (Sorghum bicolor L.) Using Treated Wastewater for Irrigation

Ali Widaa M. Elamin, Amir Bakheit Saeed, Abbas E. Rahma, Amir Mustafa Abd Eldaiam, Gazafi Mohamedai

Abstract


This study was conducted to investigate the utilization of treated wastewater in irrigating maize (Zea mays), and  sorghum (Sorghum bicolor L.) compared with River Nile water. The measured parameters were soil properties, minerals contents, transfer factor, plant growth and yield. The treated wastewater was analyzed with reference to international specification for irrigation water, and was found to conform to FAO standards for irrigation. The statistical analysis at P≤ 0.05 revealed that the highest values of plant growth and yield parameters, plant dry weight, plant fresh weight, 100-seeds weight and concentration levels of Mg, Na, K, and P in stem tissues of both crops were obtained with treated wastewater as compared with River Nile water. On the other hand, maize showed higher response to the utilization of treated wastewater than River Nile water, as compared with sorghum, in all aforementioned parameters. Treated wastewater significantly (P< 0.05) increased Ec, pH, OC, N, Na, Ca, Mg, K, Cl, Cu, Zn, Fe, Mn, Pb, Co and P in soil for a short time and sharply with along time. The study showed that there was no significant (P< 0.05) difference between water treatments in transferring the elements from soil to plant. The transfer factors registered were in the order of Ca (0.77), Co (0.74), (0.47), K (0.36), Cu (0.34), Zn (0.28), Pb (0.21), Fe (0.16), Mn (0.12) and Na (0.11). Hence it can be concluded that treated wastewater can be utilizeded satisfactorily for producing field crops such as maize, sorghum and forage.

Keywords


Treated wastewater; water quality; maize; sorghum

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References


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