Valoración productiva de un biodigestor compacto y su efecto en la fertilización de Lolium perenne (ray grass perenne) en la hacienda Piemonte.

Abstract

In Piemonte State, inorganic fertilization is frequently, which is an agricultural practice that demands many economic resources to increase production levels. Therefore, organic fertilization is an economical and sustainable alternative, for this reason the productive evaluation of a biodigester was carried out. compact and its effect on the biofertilization of Lolium perenne, for which 27 experimental units (allotments) were used, the dimensions were 20m² (4m x 5m), each treatment with 3 repetitions, under a Completely Random Block Design with the Bifactorial arrangement, being Factor A the biofertilizer dose: (3, 4, 5 liters) and Factor B the cutting age: (35, 50 and 65 days), the variables were subjected to an analysis of variance and the separation of measurements according to Tukey. The best results were obtained by applying 5L of biofertilizer at a cutting age of 65 days in the following variables of study: height with 40, 48 cm, basal cover 80,61%, aerial cover 93,13%, green pasture production 14,46 t/FV/ha/cut, dry matter with 21,93%, protein 17,89%, fiber 37,83%. Within the chemical and microbiological analysis was found that biol has a high content of potassium with 1060 mg/L and an excellent bacterial of 64x107 UFC/ml of bacillus sp. charge for the growth and development of perennial Ray grass. The economical analysis reveals the best cost/benefit for the green pasture when applying 5L of biofertilizer at a cutting age of 65 days, registering 1,84 USD which represents that for every dollar invested in the production of perennial Rye grass produces a profit of 84 cents, therefore it is concluded that the utilization of 5L of biol allowed the achievement of good agro-botanical and nutritional results.