More than one hundred years have passed since the development of the first microbial
inoculant for plants. Nowadays, the use of microbial inoculants in agriculture is spread …

Background Plant biostimulants are diverse substances and microorganisms used to
enhance plant growth. The global market for biostimulants is projected to increase 12% per …

Plant growth-promoting rhizobacteria (PGPR) are the rhizosphere bacteria that can enhance
plant growth by a wide variety of mechanisms like phosphate solubilization, siderophore …

Cereals such as maize, rice, wheat and sorghum are the most important crops for human
nutrition. Like other plants, cereals associate with diverse bacteria (including nitrogen-fixing …

Plant growth-promoting rhizobacteria (PGPR) are free-living bacteria which actively colonize
plant roots, exerting beneficial effects on plant development. The PGPR may (i) promote the …

Soil bacteria are very important in biogeochemical cycles and have been used for crop
production for decades. Plant–bacterial interactions in the rhizosphere are the determinants …

Background and aim Nitrogen-fixing bacteria or diazotrophs have been isolated for many
years using different formulations of N-free semi-solid media. However, the strategies used …

Numerous species of soil bacteria which flourish in the rhizosphere of plants, but which may
grow in, on, or around plant tissues, stimulate plant growth by a plethora of mechanisms …

Background Nitrogen is an essential nutrient in plant growth. The ability of a plant to supply
all or part of its requirements from biological nitrogen fixation (BNF) thanks to interactions …

Different kinds of soil microorganisms belonging to several taxa of the bacteria, fungi, and
possibly, protozoa kingdoms, colonizing the rhizosphere or the plant tissues and promoting …