A greenhouse experiment was conducted to observe the effect of potassium chloride (KCl) on rice (Oryza sativa L. cv. Hitomebore). The plants were grown up 14 days after treatments (DAT), with 0, 10, 20 and 30 mM KCl. It observed that seedlings highly sensitive KCl salinity, especially producing toxicity symptoms growth reduction. Iron concentration though increased significantly in shoot increa...

introduction atmosphere health is an important environmental issue and air pollution is not a local problem in a given area of the world. particles produced by either humans or the nature enter the atmosphere and return the earth’s surface at local, regional, or global scales after physico-chemical interactions. according to the reports by who, each year 2.4 million people lose their lives worl...

The purpose of this work was to provide information on heavy metals concentration in soils and in irrigation water in Thessaly, Central Greece, where tobacco (Nicotiana tabacum) is cultivated. Tobacco tends to accumulate high levels of heavy metals, especially Cadmium. During the years 1998, 1999 and 2000, 795 surface soil samples (0-30 cm depth) and 200 water samples were collected from Kardit...

in the present investigation flocculation of dissolved cu, zn, pb, ni and mn in a series of mixtures with salinities ranging from 1.5 to 9.5% during mixing of talar river water with the caspian sea water was studied. the flocculation trend of zn (87.22%) >mn (45.31%) >pb (39.09%) >cu (36.58%)>ni (12.70%) indicates that cu, zn, pb and mn have non-conservative behavior and ni has relatively conse...

It has been pointed out that tobacco accumulates cadmium as well as other potentially toxic heavy metals. A three year study was carried out to provide information on the concentration of heavy metals in air-cured (Burley), flue-cured (Virginia) and sun-cured (Oriental-filling) tobacco produced in the Thessaly region of central Greece. During the years 1998, 1999 and 2000, 474 composite surface...

Maharlu Lake, located in the SW of Iran, has acted as a sink for various wastewater discharges in the last few decades. This study aimed at assessing potentially toxic elements (PTEs) distribution in sediment, surface and pore water samples of Maharlu Lake. To achieve that, the samples were collected from each compartment and the total concentration of PTEs (Al, Fe, Sc, Cr, Co, Ni, Zn, As, Sb, ...

A solid-phase extraction method for the preconcentration of Fe, Mn and Zn on a column containing Ambersorb 572 has been developed, and the determination of Fe, Mn and Zn in water using a flame atomic absorption spectrophotometer (FAAS) has been performed. The optimum preconcentration parameters of the procedure have been determined. The effect of the pH, complexing agent, amount of adsorbent, f...

The micronutrient density of seeds is important not only for human nutrition but also for the nutrition of the next generation seedling. Deficiencies of zinc (Zn), iron (Fe) and manganese (Mn) in soils and crops occur nearly in all countries, particularly in cereals growing areas. The deficiencies adversely affect both food production and human health in a major part of the world. Therefore, va...

Background: Unsafe food consumption is a severe problem because of heavy metal contamination, which is caused by director indirect activities of industries. The present study was conducted to assess the risk of human health by Heavy metals (Cu, Co, Fe, Zn and Mn) through the intake of vegetables and fishes obtained from the area adjacent to the Hazaribag tannery campus, Dhaka, Bangladesh. Resul...