Embrapa presents benefits of bioinputs at the Rural Show

Embrapa Soja participates in the Coopavel Rural Show, from February 06th to 10th, in Cascavel (PR), presenting in the technology showcase the advantages of adopting inoculants in both corn and brachiaria grass.

In the case of corn, research results indicate that seeds inoculated with the bacterium Azospirillum brasilense (strains Ab-V5 and Ab-V6) have the possibility of a 25% reduction in nitrogen top dressing, considering a dose of 90 kilograms (kg) per hectare of N-fertilizer.

The technology for inoculating corn with bacteria Brazilian Azospirillum provides a reduction in nitrogen top dressing and also allows an average increase of 3,1% in grain productivity.

For ten years, Embrapa Soja conducted field trials to evaluate the inoculation of 12 commercial corn genotypes (hybrids and varieties) with the Ab-V5 and Ab-V6 strains of A. brasilense.

Researcher Marco Antonio Nogueira, from Embrapa Soja, explains that the plants received the same base fertilizer with macro and micronutrients and the inoculation was carried out at sowing, when 24 kg/ha of nitrogen (N) were also applied. According to him, around 35 days after corn emergence, 0%, 50%, 75% and 100% of N were supplied in coverage, with 100% corresponding to 90 kg/ha of nitrogen, to the inoculated and non-inoculated treatments. .

“The grain yield of inoculated plants with 75% nitrogen fertilization in top dressing was equal to that of non-inoculated plants that received 100% nitrogen fertilization, which indicates that it is possible to reduce nitrogen fertilization in top dressing by 25%, without loss productivity”, celebrates Nogueira.