CHEMICAL AND MICROBIOLOGICAL QUALITY FOR GROUND WATER IN COLLAGE OF AGRICULTURE AND ITS SUITABILITY FOR AGRICULTURER USE ACCORDIN TO INTERNATIONAL GUIDE SYSTEMS.

M. Rashed, E.; H. Majed, N.; M.SHUKRI, H.

	CHEMICAL AND MICROBIOLOGICAL QUALITY FOR GROUND WATER IN COLLAGE OF AGRICULTURE AND ITS SUITABILITY FOR AGRICULTURER USE ACCORDIN TO INTERNATIONAL GUIDE SYSTEMS.
The Iraqi Journal of Agricultural Science
Article 1, Volume 38, Issue 6, 2007, Pages 1-13
Authors
E. M. Rashed; N. H. Majed; H. M.SHUKRI
Abstract
The chemical and biological quality of wells water, were evaluated, classified and compared with other water sources in Baghdad. For the period from October 2005 to March 2006, six wells in College of Agriculture-Abugraib were selected. Results revealed an electrical conductivity (EC) ranged from 0.60-5.50 dS.m-1 and Sodium Adsorption Ratio (SAR) 1.50-4.58. Water quality of wells water were evaluated according to three classifications systems, USDA 1954; the classes were C3-S1, C3-S2, C4-S1 and C4-S2, FAO 1985; the classes were severe problem, slight-moderate saline and according to FAO 1992; they were moderate saline water, primary drainage water and ground water. With all above classification systems, there was no risk from Sodium Adsorption Ratio to affect soil permeability. According to WHO 1998 recommendation for microbial water evaluation, wells water was free from aerobic and anaerobic E.coli Wells water can be consider as ground water, suitable for irrigation under good management, by using extra amount of water with leaching requirement of 15%-20%, according to FAO guide 1985 and 1992 and under certain conditions under good management, drainage system, deep ground to keep soil salt balance and highly salt tolerant plants.It is important to avoid using wells water for animal consumption because of its high salt content and the risk of diarrhea or even death of the animal. But still they are free from microbes.

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