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Volume-I, Issue-I, January- March 2012
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Volume-II, Issue-III, July-September 2013
Research Scapes (An International Multi Disciplinary Journal)
Quartz Grain Morphology of Quaternary Sediments & Paleo Soil Present Soil of Narmada Valley M.P. India Dr. Khan A.A.Ex. Director Geological Survey of India. CLICK HERE TO ABSTRACT
The grain morphology shapes and surface textures of sand-sized quartz grains from the sediments of various domains of Narmada Valley were studied to characterize and understand source of sediments, nature of weathering process, transport of sediments and overall environment of deposition and sedimentation. The study of sediment and fine matrix revealed that sediments were deposited in rinsing and sinking platform on tectonically adjusted blocks under different environments. The sediment assemblage is highly heterogeneous, assorted hybrid, and its distribution and its configuration is iritic and unpredictable. The source of sediments is multi provenance and there is strong mixing of sediment from multi sources of sediments including pre-existing Quaternary front of sedimentation. The configuration of sediments in the tectonic trench appears to be influenced by readjustment of various blocks in various phases the entire bulk of sediments were deposited a high-energy of glacial fluvio glacial and fluvial environment..
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Aflatoxin Contamination In Groundnut Seeds. Thakur M.K. and Tiwari S. Department of Botany, Microbiology and Env. Science, Govt. Model Science College (Auto.) Jabalpur, M.P., India *Deptt. of Botany, Govt. M. H. College of Science & Home Science For Women (Auto.) Jabalpur M.P., IndiaCLICK HERE TO ABSTRACT
Groundnut is an important pulse and oil seed crop of India. Due to high nutritive value it is used extensively as food of human beings and also as animal feed in different forms. Groundnut seeds are highly susceptible to various myco-organisms. Aspergillus flavus was found to be associated with all seed samples tested. Its incidence was also quite high. A. flavus is well known for its aflatoxin producing ability. Contamination of food grains with aflatoxins is a great threat to human beings and animals because of its potent carcinogenic properties. During investigation approx 25% isolates were found to be toxigenic. However they varied considerably in their ability to produce aflatoxin B1 i.e. from 10 ppm to 140 ppm. Chemical analysis revealed that 30% samples of groundnut seeds were found to be aflatoxin B1 contaminated in reasonably high amount. Presence of aflatoxin B1 in groundnut seeds is alarming and needs an immediate attention for mankind.
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