TY - JOUR AU - Solórzano Quesada, Dayana Melissa AU - Brenes Rojas, Paola AU - Peña, Wagner PY - 2019/12/01 Y2 - 2024/03/28 TI - Nitrogen mineralization from stubble degradation of green bean (Phaseolus vulgaris) in a tropical Andisol soil JF - UNED Research Journal JA - URJ VL - 11 IS - 3 SE - Articles DO - 10.22458/urj.v11i3.2700 UR - https://revistas.uned.ac.cr/index.php/cuadernos/article/view/2700 SP - 388-394 AB - <p><strong>Introduction: </strong>Mineralization is an essential process that improves the physical and chemical properties of soils through the recovery of biological activity and soil fertility, obtaining mainly mineral nitrogen used by plants. <strong>Objective:</strong> To determine the nitrogen contribution of green bean stubble (<em>Phaseolus vulgaris</em>) in an Andisol soil in San Ramón, Alajuela, Costa Rica. <strong>Methods: </strong>We did a chemical analysis (pH, acidity, Ca, Mg, K, P, Cu, Fe, Zn, Mn) on the soil before and after the experiment; and measured mineralization of the stubble incorporated in field plots after 10, 20 and 30 days <strong>Results:</strong> The highest nitrogen contribution was at 30 days with 3,4% of the nitrogen contained in the stubbles, i.e. 79% of the total nitrogen. <strong>Conclusions:</strong> microbial activity, decomposition, nitrogen availability and use of carbon are best after 30 days.</p> ER -