here are also economic and manufacturing factors that need to
be taken into account with regards to the commercialization of
microbial inoculants. The mass production of microbes can be
technically challenging and expensive; products need to be
formulated to have long shelf life (transport and storage), which
may be problematic in particular with gram-negative bacteria
that do not form spores. Further, registration procedure can be
expensive and time consuming, and application must be both
simple and compatible with agronomic practices and equipmen