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2018, vol. 67, iss. 2, pp. 38-47
Abundance of potassium and phosphorus in agricultural soil of the municipalities and the town of Nis
University of Priština - Kosovska Mitrovica, Faculty of Agiculture, Lešak

emailmilosavgrcak@gmail.com
Abstract
Biogenic elements constitute a group of elements necessary for all living organisms. Among them, phosphorus and potassium take an extremely important place. This paper presents the test results of readily available potassium (K2O) and phosphorus (P2O5) contents in the soil of all five municipalities of the town of Nis in 2015. The contents of readily available potassium and phosphorus were tested using the Egner-Riehm method, AL-method. The concentration of available forms of potassium and phosphorus is expressed in P2O5 or K2O 100g-1 . It was found that 63% of the potassium samples belong to a class of soil abundant in potassium, while only 1.6% of the samples belong to a class of soil poor in potassium. The phosphorus content in the soil of Nis shows that 37.7% of the samples belong to a class of soil with medium abundance in phosphorus, 27.8% belong to the soil abundant in phosphorus, and 34. 5% to the soil poor in phosphorus. The medium pH value of the examined territory is 6.48.

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article language: English
document type: unclassified
published in SCIndeks: 16/08/2019

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