Selenium, the essential toxin, is an indispensable nutrient for many organisms but quickly
becomes a significant environmental concern at slightly higher concentrations, particularly in …

Phosphate rocks (PRs) can be a source of cadmium pollution in soil and food chain. PRs are
mainly used for the manufacturing of phosphate fertilizers. The characteristics of PRs with …

Research on selenium has increased in recent years due to its extensive use in electronic
applications, solar cells, glass industry, photocopying, cosmetic industry, and as a dietary …

Phosphate fertilizers were first implicated by Schroeder and Balassa (Science 140 (3568):
819–820, 1963) for increasing the Cd concentration in cultivated soils and crops. This …

Human populations are threatened by chronic exposure to the Cd accumulated in foods
after being taken up from soils by crops. To decide whether and to what extent it is …

Abstract The Late Paleocene–Early Eocene phosphorites of the Metlaoui Group in Tunisia
are a world-class phosphate resource. We review the characteristics of phosphorites …

At Winchmore, single superphosphate fertiliser has been applied annually to grazed pasture
plots since 1949. To determine whether or not cadmium (Cd) in the fertiliser had …

Органическое земледелие и производство органических продуктов ориентированно на
использование натуральных экологически безопасных удобрений и средств защиты …

Sedimentary Mesozoic rocks from NW Greece (Epirus region), and particularly laminated
phosphatized limestones, bedded chert-rich limestones and brecciated phosphatized …

The chemical and mineralogical compositions of four layers (A 1, A 2, B and C) from the Sra
Ouertane phosphorite deposit were studied. Chemical characterization of each sample …