566 research outputs found

    Cosmogenic effects in Mbale chondrite

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    Cosmogenic records in the recently fallen Devgaon (H4) chondrite

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    A stony meteorite fell in the village Devgaon, Bastar district, Chattisgarh, Central India on 2001 February 12. The meteorite was fully covered with fusion crust and weighed about 12 kg. Chemical composition, cosmogenic nuclear tracks, radionuclides and noble gases have been studied to determine its classification, the preatmospheric size and the irradiation history

    Variation in fish catches from the continental shelf between Quilon and Gulf of Mannar and its relation to oceanographic conditions during the southwest monsoon period

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    The present paper is based on the fishing results of FORV Sagar Sampada during July-August, 1987 along the southwest coast of India. The fish fauna of the Quilon Bank and Wadge Bank has a dominant nemipterid element and the Gulf of Mannar area has a dominant population of barracudas. Nemipterids constituted 88.2 and 64.4% of the total trawl catch from the Quilon Bank and Wadge Bank respectively

    Packages of Practices for Sustainable, Ecofriendly Mariculture (Land-based Saline Aquaculture and Seafarming)

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    The problems of fast growing human population and protein deficit, particularly in the developing countries continue to exert pressure on the fisheries resources available for exploitation in the wild water bodies. The increasingly limited opportunities in the capture fisheries sector have generated considerable interest in aquaculture

    Monsoon fishery and mud banks of Kerala coast

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    The south-west monsoon period is generally an offseason for the fisherfolk who use non- mechanised fishing crafts along the west coast of India, on account of the extremely rough con ditions of the sea. However, in some parts of Kerala, areas adjoining the coast become oc casionally very calm due to the formation of mud banks while other coastal areas are highly surf ridden. The calm areas formed near to the shore are of varying extent, from aboutlOkm2 to 25km2 and provide safe harbourage to the non-mech anised crafts when fishing in other regions is almost impossible. Launching and landing of vessels are easy at the mud bank areas

    Screening For Sweet Stalk Sorghums, And Environmental Effect On Stalk Sugar Concentrations

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    Two sets of sorghum ( Sorghum bicolcr (L. ) Moench) germplasm rccqsslons were screened for sweet stalks during rainy ( n = 9.000 ) and postrain y (n = 102) seasons by chew in^ and testing, and for sugar percentage in the juice by usinq brix-refractometer. Sets of 96 and 25 lines were selected during the two respective seasons. Stalk juice from a few selected lines were further characterized for sugar concentration, recovery of sugar. 8tC. A few lines were found to be stable in sugsr percentage across environments. Water stress increased the stalk sugar percentage, while nitrogen fertilizer application had little effect Stalk rot incidence decreased stalk sugar concentrations. Suggestions are made for the use of sweet and )uicy stalk characteristic in crop in,provement progrsm to produce multipurpose sorghum

    The use of rapid screening tests to compare changes during malting in sorghum

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    Eight sorghum cultivars were malted and samples were taken after steeping and after each of 5 days germination. In genotypes with low levels of grain nitrogen, up to 35% of the nitrogen solubilisation during the malting process occurred in the steeping phase. After 5 days germination, extracts ranged from very low to moderate levels and correlated highly with diastase and half-grain mash results. In addition, genotypes producing higher extracts showed greater reductions in milling energy between 2 and 5 days germination. During malting, there was considerable genotype X day interaction for several quality characters, suggesting variation in rates of development as well as final quantitie
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