Introducción. El Pennisetum sp es una gramínea tropical que se caracteriza por su alto rendimiento productivo siendo exigente a la fertilización, razón por la que se plateó el objetivo. Determinar el comportamiento productivo del Pennisetum sp a la aplicación de 10-30-10, gallinaza y urea en el cantón Morona. Metodología, el presente trabajo se desarrolló a una altura de 1016 metros sobre el nivel del mar, y una temperatura ambiental entre 15 a 32 °C, cuyas condiciones meteorológicas fueron 80 % de humedad relativa, 3000 a 4000 mm de pluviometría y 12 horas/luz de heliofanía; se utilizó 192 m² de superficie en el cual se estableció el cultivo de Pennisetum sp (maralfalfa) sobre el cual se aplicó los tratamientos: 1000 kg/ha de 10-30-10 (T1), 10 Tm / ha de gallinaza (T2) y 10 Tm de gallinaza mas 1000 kg de 10-30-10 / ha (T3); en cada tratamiento se aplicó 200 kg de Urea, frente a un control, con cuatro repeticiones, los cuáles fueron distribuidos considerando el modelo matemático que corresponde al Diseño de Bloques Completamente al Azar, la información del cultivo fue: altura de planta a los 30, 60 y 90 días, producción de forraje verde y materia seca. Resultados. Demostrándose que la aplicación de 10 Tm de gallinaza, 1000 kg de10-30-10 más 200 kg de urea permitió registrar alturas a los 30, 60 y 90 días de 0.66, 1.24 y 1,26 metros y una producción de forraje verde y materia seca de 65.20 y 13.04 Tn/ha, superior al resto de Sistema de fertilizaciones; se concluye que la utilización de fertilizante 10-30-10 + urea en dosis de 1000 y 2000 kg/ha/corte permite una mayor producción de forraje.
This project aimed to evaluate the agro-botanical performance of gramalote (Axonopus scoparius), subjected to three different treatments of a fertilizer composed of urea plus cuyasa. This project was developed under a randomized block design, and analyzed through the statistical package InfoStat with Tukey's test at 0.05 significance. Four treatments with five replications were used; the incorporation of the guinea pig was 0% (T0), 100% (T1), 75% (T2) and 25% (T3), adding a standard base of urea (0.125 kg/Ha) and lime (4.55 kg/Ha). At the end of the statistical analysis, T1 was the best; in plant height, 124 cm were obtained at 90 days; in the number of leaves with 8, in the production of green matter and dry matter with 16.6 and 2.84 T/Ha respectively, in protein with 0.21 T/Ha, in the production of neutral detergent fiber 1.26 T/Ha was obtained, in acid detergent fiber 0.94 T/Ha was obtained, and in acid detergent lignin 0.12 T/Ha, This could have been produced by greater availability of vegetative material to provide nutrients to the crop for a longer time, supporting the washing by the rains, and making up for the low availability of natural soil nutrients that do not allow a good crop production under natural conditions. It is concluded that the application of fertilizers is productive in this pasture because they allow better development of the crop, as well as to increase the quality of the pasture, so it is recommended the use of this material as fertilizer for the crop, at the levels evaluated in this work.
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