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Regulation of Nitrification by Benzotriazole,o-Nitrophenol,m-Nitroaniline and Dicyandiamide and Pattern of NH3 Emissions from Citronella Field Fertilized with Urea |
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| Authors: | Puttanna K Nanje Gowda N M Prakasa Rao E V S |
| Institution: | 1. Central Institute of Medicinal and Aromatic Plants, Field Station, Allalasandra, GKVK Post, Bangalore, 560 065, India 2. Department of Chemistry, Central College, Bangalore University, Central College Campus, Bangalore, 560 001, India 3. Central Institute of Medicinal and Aromatic Plants, Field Station, Allalasandra, GKVK Post, Bangalore, 560 065, India |
| Abstract: | Nitrification inhibitors areuseful for reducing fertilizer related environmentalpollution. Use of such nitrification inhibitors as,benzotriazole, o-nitrophenol, m-nitroaniline anddicyandiamide has effectively regulated nitrification in acitronella (Cymbopogon winterianus Jowitt.) fieldfertilized with urea. At 450 kg N ha-1 yr-1, there wassubstantially higher accumulation of NH+ 4-N in thesoil. Proper placement (5 cm below soil surface) offertilizers have minimized NH3 emissions even fromnitrification inhibitor treated urea plots. Thus, thenitrification inhibitors can potentially reduceenvironmental pollution connected to NO- 3 in soilwhile maintaining low NH3 gas emissions, if thefertilizer is properly placed. |
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