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Economic Recycling of Crop Residues for Soil Fertility Improvement

  • Author:P. P. RAMASWAMI

    p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:66, Issue:nov-nov

    DOI: https://doi.org/10.29321/MAJ.10.A03020
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Abstract

                                A field experiment was conducted with IR. 20 rice to study the influence of graded doses of rice straw application (10, 15 and 20 tonnes/ha) with and without different sources of phosphrous (superphosphate,, rock phosphate and slag) for photochemical nitrogen fixation for better yield. Efficiency of straw dose was compared with absolute control and NPK fertilization. Straw additions gave yield comparable with NPK and basic slag was found to be a better source of phosphatic fertilizer. As the dose of straw increased available phosphorus content also increased. Straw at 10 tonnes/ha and basic slag at 90 kg/ha gave higher amount of nitrogen fixation and yield of grain.

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ISSN : 0024-9602
eISSN : 2582-5321

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