
Phosphorus-nutrition of European beech (Fagus sylvatica L.) during annual growth depends on tree age and P-availability in the soil
Keywords: فسفات; HNO3; nitric acid; HCLO4; hyper chloric acid; NaOH; Sodium hydroxide; European beech; Phosphate; Phosphorus availability; Seasonal cycling; P-limitation; Organic phosphorus; Xylem; Phloem;