Abstract— An assessment was undertaken to study the combating capacity of autochthonous organic inputs viz. vermicompost, compost and bacterial consortia isolated from different sources viz. oil spillage sludge of petrol pump and rhizosphere of rice plant against the fluoride toxicity under field condition. Brassica campestris L. cv.B9 was selected as a test species. Experiments were carried out in two consecutive years 2012-2013 and 2013-2014 designed as experiment I and experiment II. One unique thing was observed that mustard which were grown under indigenous organic inputs treated plots gave maximum yield under T1 treatment (25 mg Kg-1 F) and was above the control set. Moreover, autochthonous organic inputs were capable of reducing the amount of fluoride content within the different plant parts of mustard. Maximum amount of fluoride was accumulated within the leaves and minimum quantity of fluoride was accumulated within the seed but within the permissible range (< 0.3 mg Kg-1 as recommended by EPA, FAO and WHO). Data were significantly different at 5% level using Duncan’s Multiple Range Test (DMRT). Therefore, combination of vermicompost, compost and bacterial consortia acted upon reduction of fluoride level in the crop field of mustard.
Keywords— Vermicompost, Compost, Bacterial consortia, Fluoride, Oil spilled site, Rhizosphere.
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