The occurrence of Festuca trichophylla subsp. trichophylla in the flora of Croatia is confirmed. In June 1999 a small population was found on the edge of ^epi} polje, near the village of [u{njevica (Istria) growing on a relatively moist calcareous meadow belonging to the order Scorzoneretalia. The soil is weakly basiphillous with high amount of CaCO3. According to the present state of knowledge...

Land degradation especially as a result of the rapid increase in demand and pressure population, have emerged one most important problems. Many model approaches, regarding land desertification, been developed continue to be on world. The MEDALUS (Mediterranean Desertification Use) which is famous models has for an environment assessment program contributed by 31 groups 10 countries 1999. This i...

introduction: p in soils exists in many complex chemical forms, which differ markedly in their behavior, mobility and resistance to bioavailability in the soils. the total p content of a soil provides little information regarding the behavior of p in the environment. the various forms of p present to a large degree, determine the fate and transport of p in soils. fractionation schemes using dif...

the field study was conducted in one district of educational-experimental forest at tehran university (kheirood-kenar forest) in the north of iran. eighty-five soil profiles were dug in the site of study and several chemical and physical soil properties were considered. these factors included: soil ph, soil texture, bulk density, organic carbon, total nitrogen, extractable phosphorus and depth ...

Many soil amendments are used to remediate paddy soils polluted with heavy metals, including arsenic (As) and lead (Pb). This study was conducted assess the efficacy of three inorganic amendments, such as calcium carbonate (CaCO3), sulfate (CaSO4), ferrous (FeSO4), on As Pb co-contaminated soils. The were applied alone and/or in combinations compare theirs for stabilization rice growth. In addi...