Dietary phosphorus control is often a main strategy in the management of patients with chronic kidney disease. Dietary protein is a major source of phosphorus intake. Recent data indicate that imposed dietary phosphorus restriction may compromise the need for adequate protein intake, leading to protein-energy wasting and possibly to increased mortality. The two main sources of dietary phosphoru...

In 22 patients (19 men, 3 women; mean [+/- SD] age, 63 +/- 6 years) with chronic obstructive pulmonary disease (COPD), phosphorus content was measured by spectrophotometric methods on muscle fragments of both peripheral (quadriceps femoris needle biopsy in 22 patients) and respiratory muscles (external intercostal muscle surgical biopsy in 14 patients). Thirty age- and sex-matched subjects were...

Nutrients can determine the outcome of the competition between different floating plant species. The response of floating plants to current phosphorus levels may be affected by previously experienced phosphorus concentrations because some species have the ability to store excess phosphorus for later use. This might have an impact on their competition. Here, we investigate the effect of previous...

Aliphatic thiols are in high demand materials chemistry. Herein, a synthesis of thio-derivatives 1-hexene vinylidene dimer is described. The approach, based on hydroalumination reaction with further replacement the organoaluminum function sulfur using thiourea or dimethyl disulfide, provides anti-Markovnikov products, 2-butyloctane-1-thiol 5-(methylsulfanylmethyl)undecane, moderate yields. phos...

The use of ecological and agrochemical indicators to assess the agro-industrial properties soils formation a system regional investment attractiveness agricultural lands is basis for intensive development complex L’viv region Ukraine. following parameters are important assessing land soils: content humus mobile compounds Phosphorus Potassium in soils, reaction soil solution, as well calculation...

Phosphorus (P) management in agroecosystems is driven by opposing requirements agronomy, ecology, and environmental protection. The widely used maintenance P fertilization strategy relies on critical concentrations of soil test (STP), which should cause the lowest possible impact environment while still ensuring optimal yield. While both availability crop yields are fundamentally related to ped...

Intensive vegetable farming has the potential to damage soil health, leading to poor productivity and large environmental impacts. This paper reports on changes in soil properties after three and a half years of vegetable cropping and discusses the implications for sustainability. A vegetable farming-systems experiment began in 1992 at Somersby, in NSW, Australia. The aim of the experiment was ...

crop yields are dependent on a number of factors such as soil type, weather conditions and farming practices. crop yield estimates in different soil types are required to meet the needs of farmers, land appraisers, and governmental agencies in iran as around the world. this study was conducted to model the wheat-grain yields [triticum aestivum l.]  by soil properties in khoy area, the north-wes...

Interest in the health effects of dietary phosphorus is burgeoning, yet sources and trends in phosphorus consumption have not been well characterized. We describe trends in and primary sources of dietary phosphorus in a nationally representative sample of 34,741 US adults, 20+ years old (NHANES 2001-2014). Dietary sources of phosphorus were estimated in nine food groups and 26 food categories. ...