Evaluation of the effect of macronutrients from human urine as fertilizer in the growth of Lactuca sativa

Hernán Boris Valdivia Zambrana, Giovanna Almanza Vega

Keywords: Macronutrients, Human urine, Fertilizer, Quantification of minerals, Lactuca sativa, Lettuce variety Crespa; Claves: Macronutrientes, Orina humana, Fertilizante, Cuantificación de minerales, Lactuca sativa, Variedad de lechuga Crespa.