Cuadrado-García, Leidy Natalia, Elvia Nhasly López-Roa, Carlos Ricardo Bojacá-Aldana, and Pedro José Almanza-Merchan. 2014. “Nitrogen Influence in the Production of Tomato (Lycopersicum Esculentum L.) Seeded in Substrate in Sutamarchán (Boyacá)”. Ciencia Y Agricultura 11 (1):85-90. https://doi.org/10.19053/01228420.3491.