THE PRESENT RESEARCH WAS CARRIED OUT IN THE EXPERIMENTAL CAMPUS LA TEODOMIRA OF THE FACULTY OF AGRICULTURAL ENGINEERING OF UNIVERSIDAD TÉCNICA DE MANABÍ, , LOCATED IN THE PARISH OF LODANA, CANTON SANTA ANA PROVINCE OF MANABÍ, WHICH AIMED TO EVALUATE THE APPLICATION OF DIFFERENT DOSES OF VERMICOMPOST LEACHATE ON GROWTH AND PRODUCTION OF COTTON HARVEST (GOSSYPIUM. HIRSUTUM L.). THE MATERIAL STUDIED WAS THE COTTON VARIETY KNOWN AS DP ACALA 90 AND THE FACTORS STUDIED WERE: CHEMICAL TREATMENT (15-15-15, N-P-K); LEACHATES OF BOVINE MANURE VERMICOMPOST IN DIFFERENT DOSES; LEACHATES OF BOVINE MANURE VERMICOMPOST + CHEMICAL AND SOIL (ABSOLUTE CONTROL) 6 TREATMENTS WERE APPLIED, WITH 4 REPETITIONS IN A TOTAL OF 24 PLOTS IN A TOTAL AREA OF THE EXPERIMENTO OF 1200.00 M