TY - GEN AU - Sierra Aragón, Manuel AU - Martínez Garzón, Francisco Javier AU - Ortiz Bernad, Irene AU - Romero Freire, Ana AU - Martín Peinado, Francisco José PY - 2024 UR - https://hdl.handle.net/10481/96924 AB - This audio aims to analyse the influence of human activity on the topsoil horizons, the process of clay illuviation and the resulting horizons LA - eng KW - Audio 2 KW - Activity 2 KW - Soil museum TI - Audio of the soil museum activity 2 ER -