Release Pattern of Inorganic N, Phosphorus and Potassium as Influenced by Farmyard Manure and Pressmud Compost under Laboratory Incubation Study

Bipin Bihari; Ragini Kumari; Shweta Shambhavi

doi:https://doi.org/10.20546/ijcmas.2018.709.307

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Original Research Articles Volume : 7, Issue:9, September, 2018

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Int.J.Curr.Microbiol.App.Sci.2018.7(9): 2476-2483

DOI: https://doi.org/10.20546/ijcmas.2018.709.307

Release Pattern of Inorganic N, Phosphorus and Potassium as Influenced by Farmyard Manure and Pressmud Compost under Laboratory Incubation Study

Bipin Bihari, Ragini Kumari^* and Shweta Shambhavi

Department of Soil Science & Agricultural Chemistry, Bihar Agricultural University, Sabour, Bhagalpur (813210), India

^*Corresponding author

Abstract:

Knowledge of the nutrient release from organic residues helps in optimizing nutrient effciency in agricultural crop production systems. A laboratory incubation experiment was conducted in Completely Randomized Design to assess the release of Ammonical-N, Nitrate-N, available Phosphorus and Potassium in soil incubated with two organic sources viz. farmyard manure and pressmud compost (T0= Control, T1= 5 MT ha-1 organic manure, T2=10 MT ha-1 organic manure, T3= 15 MT ha-1 organic manure, T4=20 MT ha-1 organic manure) at different days (0,30,60,90,120) after incubation under controlled aerobic condition. The study revealed that NH4-N content showed decreasing while NO3-N showed increasing trends whereas available phosphorus and potassium content increased from 0 to 30 DAI and then decreased gradually up to 120 DAI.

Keywords: Farmyard manure, Pressmud compost, Incubation, Ammonical-N, Nitrate-N, available Phosphorus and available Potassium

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How to cite this article:

Bipin Bihari, Ragini Kumari and Shweta Shambhavi. 2018. Release Pattern of Inorganic N, Phosphorus and Potassium as Influenced by Farmyard Manure and Pressmud Compost under Laboratory Incubation Study.Int.J.Curr.Microbiol.App.Sci. 7(9): 2476-2483. doi: https://doi.org/10.20546/ijcmas.2018.709.307

Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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Original Research Articles Volume : 7, Issue:9, September, 2018

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