Fixation of amospheric N in root nodules in the leguminous plants is an established fact.But the quantity of nodules found in the roots of the plants of the same crop.grown in different soil situa- ted not far off fom one another varies.This variation is attributed to the presence or absence of the proper N fixing bacteria in the various in sufficient quantities.To ensure the presence of proper N fixing bacteria and thereby to augment the fixtion of N and inturn to get maximum yield artifici- al inoculation of bacteria is resorted to.To find out the effect of artificial inoculation of bacteria on pulses cultivated in TamiNadu,experiments were conducted an the Pulses Section.
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