The experiment took place in the facilities of the Teaching and Research Workshop on Horticultural Plants (TEIPH), of the Faculty of Agronomy-UNAP, located at Km 4 of the road to Zungarococha, south of the city of Iquitos. The research was experimental, explanatory, prospective with two independent variables (dose of chicken manure and planting spacing) and eleven dependent variables (plant height, number of leaves/plant, root length, root weight, neck diameter of the plant, diameter of the bulb, number of bulbs/plant, weight of bulb/plant, weight of leaves/plant, total weight of the plant and weight of the plants/ha The general objective of the Thesis was to determine if the fertilization with chicken manure dose and planting spacing, influence the agronomic characteristics and yield of Allium fistulosum L. "Chinese onion", in Zungarococha-Loreto, 2021. On average of four repetitions an...