this study was carried out to determine effects of phosphorus residual applied to wheat on vetch (vicia panonioca) growth, yields and some  soil  physical, chemical  properties in soil. the experiment was conducted with randomized completely block design in a field with three replications including four levels of p residual (applied for wheat p0, p15, p30, and p45 kg p2o5 in hectare) from tripl...

Seventy Two sediments from four stations (Anzali, Tonekabon, Noshahr and Amirabad), located in Caspian Sea-Iranian coast were examined on the basis of P-fractionation in autumn and winter of 2013-2014. Several forms of the phosphorus in sediment were separated and extracted according to sequential extraction method. Then the extracted phosphorus in each fraction was determined by UV–Vis spectro...

Seventy Two sediments from four stations (Anzali, Tonekabon, Noshahr and Amirabad), located in Caspian Sea-Iranian coast were examined on the basis of P-fractionation in autumn and winter of 2013-2014. Several forms of the phosphorus in sediment were separated and extracted according to sequential extraction method. Then the extracted phosphorus in each fraction was determined by UV–Vis s...

Dam construction causes the accumulation of phosphorus in the sediments of reservoirs and increases the release rate of internal phosphorus (P) loading. This study investigated the longitudinal variability of phosphorus fractions in sediments and the relationship between the contents of phosphorus fractions and its influencing factors of the Manwan Reservoir, Lancang River, Yunnan Province, Chi...

Background. The contribution of residual renal function (RRF) to dialysis adequacy in continuous ambulatory peritoneal dialysis (CAPD) patients is well known. The aim of our study was to evaluate the effects of RRF on various clinical and laboratory features including degree of anemia, phosphorus control, and nutritional parameters in patients on CAPD. Methods. Patients on CAPD therapy who had ...

a Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus (BIOREN-UFRO), Avenida Francisco Salazar 01145, Universidad de La Frontera, Temuco, Chile b Laboratoire Sol et Environnement (LSE), Université de Loraine, Vandoeurve les Nancy cedex, France c UMR Université Paris VI et XII-CNRS-INRA-IRD), Campus AgroParisTech, Thiverval-G...

It has been shown by various investigators that embryonic tissues are richer in nucleic acid than are adult tissues (1). The distribution of the two types of nucleic acids (ribonucleic acid (RNA) and desoxyribonucleic acid (DNA)) is also known to be different in embryonic and adult tissues and in different tissues. For instance, muscle and heart are low in ribonucleic acid concentration, wherea...

ÐFerron reagent and FTIR spectroscopy were used for the identi®cation and characterization of the aluminum species formed during dephosphorization of simulated wastewater with and without organic matter. Evidence from FTIR spectroscopy showed the formation of aluminum hydroxyphosphate, hydroxy-Al±tannate and aluminum complexes containing both phosphorus and tannic acid. The surface reactivity o...