ABSTRACT
The beneficial microbe found in soilis ofgreatimportanceincropproduction. This is due to the fact thattheyarefoundnaturallyinthesoil;thechemicalsubstancesproducedbythemincreasethefertilityofthesoil. Alongwiththis, intherhizospherezoneoftheplant, theseorganismsproducesomeplantgrowthhormoneswhichmayhelpinhealthygrowth. Theycreateaprotectiveshield, allowingtheplanttogeta sufficientamountofmineral, salts, andothernutrientsfromthesoilwithoutanyrestrictionsforproducingagoodqualitycrop. Althoughtheypresentnaturallyinsoil, itisat times necessarytoincreasetheirpopulationsbyeitherinoculationorbyapplyingvariousagriculturalmanagementtechniquesthatenhancetheirabundanceandactivity, accordingtothenatureof thesoilandenvironmentalconditions. SothatthesemicrobeslikePseudomonas, Bacillus, andsomeotherplantgrowth-promotingrhizobacteriaareveryusefulforrecentagro-economicformingofoilandtreenutswhichisahealthyandcost-effectivealternativetochemical-basedpesticides.
