Definitions of biologicals, biostimulants and microbes
Biological products are those with the basis of a living entity, e.g. bacteria or fungi.
“Plant biostimulants contain substance(s) and / or microorganisms whose function when applied to plants or the rhizosphere is to stimulate natural processes to enhance / benefit nutrient uptake, nutrient efficiency, tolerance to abiotic stress, and crop quality.” (European Biostimulants Industry Council, EBIC)
Microbes are micro-organisms including:
More details are given on the individual pages.