EVALUATION OF HEAVY METALS CONCENTRATION IN JAJARM BAUXITE DEPOSIT IN NORTHEAST OF IRAN USING ENVIRONMENTAL POLLUTION INDICES

EVALUATION OF HEAVY METALS CONCENTRATION IN JAJARM BAUXITE DEPOSIT IN NORTHEAST OF IRAN USING ENVIRONMENTAL POLLUTION INDICES

Heavy metals are known as an important group of pollutants in soil.Major sources of heavy metals are modern industries such as mining.In this study, spatial distribution and environmental behavior of heavy metals in the Jajarm bauxite mine have been investigated.The study area is one of the most important deposits in Iran, which 4R includes about 2

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The ram circle as a progeny testing method

Ram circles are used to obtain progeny from sire rams on a number of different farms in order that the effect of farm on progeny may be equalized and, concurrently, the selection of mate be a random one.The objective is the achievement of reliable progeny evaluations of the rams as a result of cooperation between farms.The Finnish experiment covere

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