Production and Chemical Characterization of Silage from Saccharine Sorghum Fertirrigated with Sugarcane Vinasse.

BACKGROUND

Distillery vinasse is one of the promising bio-fertilizers, as it contains significant amounts of essential chemical elements, allied with sorghum that is widely used in the diet of ruminant animals and has been considered as an alternative to the production of other cereals or forages. This study aimed to evaluate saccharin sorghum silage from fertilization with vinasse.

METHODS

The research was conducted using the BRS-511, CR-1339, and CR-1342 genotypes. The silage was held for 170 days after sowing, with experimental design in blocks with triple factorial (genotypes x fertilization x inoculation) totaling 54 installments. At 95 days, the silos were opened for sample collection and analysis bromatological analysis.

RESULTS

The results indicate the primary source of variation was genotype, characterizing them with different potentials in productivity and better results for BRS-511, CR-1339, and CR-1342. The bromatological results indicate good quality for CR-1339 and CR-1342 hybrids, however, better digestability for BRS-511. There was no observable difference between the factors of fertilization. The inoculation additive assists in the reduction of lignin appears to be high. PCA analysis showed differences between cultivars (BRS-511, CR-1339, and CR-1342) and fertilization. However, the PCAs showed the genotypes show similar results with conventional fertilization and sugarcane vinasse.

CONCLUSION

The study reflected the possibility of producing sweet sorghum silage with soil sugarcane vinasse fertilization as fertilizer.