Study of Concrete by Partial Replacement of Fine & Coarse Aggregate with Silico Manganese Slag Using Compression Testing Machine
Keywords:
Tri Calcium Phosphate (TCP), Rock phosphate (RP), NBRIP medium, Aspergillus sp., Penicillium sp.Abstract
Phosphorus (P) is one of the major bio-elements limiting agricultural production. Phosphate solubilizing fungi play a noteworthy role in increasing the bioavailability of soil phosphates for plants. The present study was aimed at isolating and characterizing phosphate solubilizing fungi from Riverain soils using NBRIP medium. A total 15 composite samples form, taken from five location of Agra district. Among the fungal isolates, six fungi solubilized TCP and Rock phosphate. The isolated phosphate solubilizing fungi belonged to genera of Aspergillus spp, Penicillium spp. designated as Db1 (Aspergillus sp.), Fb1(Aspergillus sp.), Kt1(Aspergillus sp.), Db2(Aspergillus sp.) and Kl3 (Penicillium sp.) solubilized TCP (tricalcium phosphate) and Rock phosphate after 15 days of incubation. Maximum solubilization take place by Db1, that was identified as Aspergillus niger.
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