Quantification and Assessment of Slow-Release Properties of Urea in Nano Fertilizer Applications: A Fourier Transform Infrared (FTIR) Spectroscopic Approach
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posted on 2025-01-10, 17:34 authored by Dilitha Nanayakkara, Nadeeka Lakshani, Chanaka Sandaruwan, Gayan Priyadarshana, Asitha Siriwardhana, U.A. Rathnayake, B.A.D. Madhushanka, Gehan A.J. Amaratunga, Veranja Karunaratne, Nilwala KottegodaThis study addresses the challenges associated with urea quantification in fertilizer applications, where over 70% of applied urea is lost due to leaching and degradation, leading to low nitrogen use efficiency (NUE) in plants. Traditional methods such as UV-Vis spectroscopy, Kjeldahl analysis, and Dumas combustion are hindered by complex and time-intensive procedures. This research explores the application of Fourier Transform Infrared (FTIR) spectroscopy as a rapid and accurate alternative for detecting urea in agricultural effluents, providing a more efficient approach to assess the efficacy of slow-release or smart fertilizers.
