Process for preparation of bacterial agricultural products

Details Process for preparation of bacterial agricultural products Process for preparation of bacterial agricultural products

1990-11-13

1997-12-09

Lander, Ferris

Chemistry: fertilizers

Processes and products

Bacterial

47 576, C05F 1108

Patent

active

056955413

ABSTRACT:
A process for producing a dried bacterial agricultural product having superior viability initially involves culturing (fermenting) a species of microorganism in a growth medium to form a culture. The culture containing the microorganism plus the growth medium is then mixed with a carrier. The resulting mixture is incubated for at least one day to increase the microorganism count in the mixture. The mixture is then air dried slowly for at least about one day so the moisture level in the microorganisms is gradually reduced to form the dried composition. The process may further include steps of milling and then coating seeds with the composition. An inoculant composition according to the invention, which may be made by the foregoing process, consists essentially of a clay carrier and at least 10.sup.9 viable bacteria per gram of the composition. Compositions containing biocidal microbes which combat insects, fungi or the like, and other useful microbes, such as growth promoting bacteria, may also be prepared.

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