Effect of Cattle Sterling on Yield and Nutritional Composition of Megathyrsus Maximus and Cynodon Nlemfuensis in UDIPF

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Dr. C. Roca Cedeño Jacinto Alex, Jhon Carlos Vera Cedeño, Dr. C. Gabriel Antonio Navarrete Schettini, Carlos Alfredo Rivera Legton

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The objective of this research was to evaluate the effect of cattle manure on yield indicators, nutritional composition and agronomic aspects of the grasses Megathyrsus maximus (Savoy) and Cynodon nlemfuensis (Star) in grazing areas of the ESPAM MFL. An experimental type research was implemented, a randomized block design with 2x4 factorial arrangement (two types of grass: Savoy and Star) was applied for four types of fertilizer: (absolute control, bovine manure preserved in cow horns 20 t/ha/year, preserved bovine manure 35t/ha/year, urea 250 kg of N/ha/year) with four replicates. It was determined that fermented cattle manure biopreparation had a positive effect on biomass yield indicators of grasses. The fermented cattle manure-based treatments (20 t/ha/year) showed their optimum performance on variables such as plant height and aerial biomass; the best agronomic performance for the DM variable was obtained by the cattle manure-based biopreparation (35 t/ha/year) on Savoy grass. The fermented bovine manure preparation 35 t/ha/year showed the best agronomic performance in star grass, which achieved outstanding agronomic performance for plant height, total aerial biomass and DM variables. The treatments with fermented bovine manure (20 t/ha/year; 35 t/ha/year) achieved the best records for the moisture and nitrogen free extract variables. The urea treatment (250 kg N/ha/year) recorded an average of 11.07% CP for star grass and 9.92% CP for savoy. It is concluded that the effect of the preserved bovine manure preparation increases agronomic yield indicators in grasses.

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