Plant biostimulant

Abstract

The utility model relates to a biostimulant for improving the growth and development of plants, more specifically of cereal, industrial and vegetable crops, fruit plantations and vineyards, as well as ornamental plants grown in both soil and hydroponic conditions. The plant biostimulant comprises (in wt. %): - Culture liquid of bacterial strains Azotobacter vinelandii NBPMKK 1619, Pseudomonas yamanorum NBPMKK 9127 and Sporosarcina pasteurii NBPMKK 8643 with a viable cell count of not less than 1 x 10 8 CFU / ml – from 99.76 to 99.8; - Cation – from 0.18 to 0.22 and - Citric acid – from 0.01 to 0.04.