Background and Objectives: Heavy metals enter water supply sources in different ways such as natural or artificial and when they enter the food chain and accumulate in tissues, they cause harmful effects on human health. Therefore, the aim of this study was to determine the concentration of heavy metals in drinking water sources in Karaj and compare it with national standards. Materials and Me...

Background and Purpose: The aim of this study was to evaluate the microbial quality of drinking water in Karaj, Iran in terms of heterotrophic bacteria count index (HPC) and its variation trend using geographic information system (GIS) in 2016. Materials and methods: In this study, water sampling was carried out in Karaj distribution network in all 12 regions and based on this, 3 samples were t...

Indiscriminate exploitation of underground aquifers shahriar Plain loss of ground water in the region has created. Water penetration can increase the volume of groundwater reservoir and reduce the loss of it. One way of artificial recharge of aquifers, infiltration of water from riverbeds or running water. In this study, we have tried By examining the characteristics of Karaj River and its floo...

Scince 1990 research on clover has been commenced in Karaj and other field stations of Seed and Plant Improvement Institute, Iran. One of the achievements of this initiative is selection, improvement and release of Alborz 1 Crimson clover cultivar. New Crimson clover cultivar, Alborz 1 was primarily selected from clover germplasm received from Food and Agriculture Organization (FAO), The United...