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Plants adaptation to control nitrification process in tropical region; case study with Acrocomia totai and Brachiaria humidicola plants

Mohammad Kazem Souri
Published Online: 2016-12-30 | DOI: https://doi.org/10.1515/opag-2016-0019


In this study we focused on nitrification inhibition properties from tropical and subtropical plants; Acrocomia totai (palm tree) and Brachiaria humidicola (grass plant). Hexane extracted seed oil as well as dry powder of seed covers was applied in a quick nitrification bioassay for 24 or 50 hours to investigate their effects on nitrification process. Similarly B. humidicola shoot homogenates were applied in the same quick nitrification bioassay for their potential inhibitory effects on nitrification. Results showed that seed oil as well as seed covers from A. totai were significantly inhibited the nitrification rates in the quick nitrification bioassay test compared to distilled water control. In a separate experiment, it was found that shoots but not roots homogenates from B. humidicola grasses were efficiently retarded nitrification rates compared to water control. Therefore, including these plant genotypes together with main crops (intercropping) or as alternative crops, could effectively reduce soil nitrification process and leading to better N utilization.

Keywords: Acrocomia totai; nitrification inhibition; seed oil; Brachiaria humidicola; environment; plant nutrition


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About the article

Received: 2016-08-20

Accepted: 2016-12-07

Published Online: 2016-12-30

Citation Information: Open Agriculture, Volume 1, Issue 1, ISSN (Online) 2391-9531, DOI: https://doi.org/10.1515/opag-2016-0019.

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©2016 Mohammad Kazem Souri. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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