Analisa Kadar Fosfor Pada Tanah dengan Cara Spektrofotometri UV- Vis di Taman Agroinovasi BPTP Sumut

Abstract

Determination of phosphorus levels in soil at the North Sumatra Agricultural Technology Study Center (BPTP SUMUT) using the Bray I method for 5 samples. The analysis was carried out using spectrophotometry at a wavelength of 693 nm. from the analysis results obtained phosphorus levels in sample No. 1 for a sample of 7,56 ppm, No. 2 of 7,89 ppm, No. 3 of 17,56, No. 4 of 15,66 ppm, No. 5 of 40,56 ppm