Abstract Background Organic farmers frequently report sufficient yield levels despite low or even very soil phosphorous (P) contents questioning the applicability of widely used laboratory methods for P testing organic farming. Aims The aim this study was to compare validity a broad range different extraction on soils under management from South West Germany and test correlation measured concen...

Achalasia of the oesophagus is characterized by the absence of peristalsis, failure of the inferior oesophageal sphincter to relax after swallowing (Harris, 1966), and a positive mecholyl test (Kramer and Ingelfinger, 1951). This combination offeatures is regarded as specific for this disease. Nevertheless, in the literature a number of cases have been designated achalasia despite the presence ...

Forest fires can greatly affect soil properties and processes. In the study of fire effects on soil, thickness affected by heat depends characteristics itself, but also attribute to be measured. The objective this work is know what (up 1, 2 or 3 cm) various sensitive are immediately a controlled burning. To achieve aim, unaltered fresh topsoil (mollic horizon) fire-prone Aleppo pine forest in s...

Harpole LH, Williams JW, Olsen MK, et al. Improving depression outcomes in older adults with comorbid medical illness. Gen Hosp Psychiatry 2005;27:4–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...