In Nigeria irrigated agriculture is an important tool for economic growth, food security, and poverty reduction during dry periods of rain-fed agriculture. The concentration and composition of dissolved constituents in water determines its quality for irrigation use. Water quality studies strongly suggest that agriculture is a leading source of water quality problems, due to pesticides and othe...

Background: Iran is located within the dry and semi dry regions, thus almost 90% of the required water is secured via the use of groundwater. Owing to the increasing pollution of water resources, this study was performed to evaluate water quality pollution indices for heavy metals (As, Zn, Pb and Cu) contamination monitoring in Toyserkan Plain during spring and summer in 2012. Methods: A tot...

to determine the coverage rate, timeliness and quality of ante-natal care in rural areas under the coverage of health houses in west azerbaijan province, 30 health houses (hh) were randomly selected out of 731 hh in the province. in each hh, using the method of lot quality assurance sampling (lqas) 28 women having recently born babies was selected. data were collected using check-list for facil...

Assessment of the health impacts of recreational water quality is a useful tool in developing appropriate policies. Risk assessment approaches are increasingly being used as a scientific rationale for risk management. This chapter describes the various methods used for identification and quantification of hazards in recreational water risk assessment. It also looks at how different factors infl...

background and purpose: today, by increasing different pollutants, the continuous monitoring of surface waters is essential. dorudzan dam is one of the main sources of surface water in fars province, iran; hence, the current study investigated the quality  of dorudzan reservoir for drinking and irrigation consumptions. materials and methods: in this study, various physicochemical parameters [ph...