TY - GEN AU - Atero Calvo, Santiago AU - Navarro León, Eloy AU - Polo, Javier AU - Ruiz Sáez, Juan Manuel PY - 2025 UR - https://hdl.handle.net/10481/106800 AB - Improving nitrogen (N) use efficiency (NUE) is a key objective in sustainable agriculture, particularly for leafy vegetables such as lettuce, which require high N inputs. Biostimulants offer a promising strategy for enhancing crop performance while... LA - eng PB - Frontiers Research Foundation KW - Amino acids KW - biostimulants KW - humic acids TI - Physiological efficacy of the amino acid-based biostimulants Pepton 85/16, Pepton origin, and Nutriterra in lettuce grown under optimal and reduced synthetic nitrogen fertilization DO - 10.3389/fpls.2025.1645768 ER -