Engineering  :: Irrigation Engineering
            
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                The irrigation water is said to be unsatisfactory, if it contains								
				
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                 chemicals toxic to plants or to persons using plants as food | [B].   | 
                 
				 chemicals which react with the soil to produce unsatisfactory moisture characteristics				 
				 
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                 bacteria injurious to persons or animals eating plants irrigated with water | [D].   | 
                 all of the above |  
				 
				 				 
				  
                    
                    
                    
                    
                    
                    
                    
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