Natural nitrification inhibitors for higher nitrogen use efficiency, crop yield, and for curtailing global warming

Natural nitrification inhibitors for higher nitrogen use efficiency, crop yield, and for curtailing global warming

Authors

  • Rakesh Kumar Upadhyay Visiting Scientist
  • S. K. Tewari Scientist
  • D. D. Patra Scientist-G and Head

Keywords:

Eco-friendliness, Crop yield, Nitrifiers, Plant-derived nitrification retarders

Abstract

Nitrification inhibitors selectively inhibit microbial enzymes responsible for the conversion of NH4 + to NO3 –. Arresting nitrification could be a key strategy to improve nitrogen (N) recovery and agronomic N use efficiency in situations where the loss of N is significant. Although chemicals known to inhibit nitrifiers have been tested, many of these are still at the experimental level; high cost, limited availability, adverse influence on beneficial soil microorganisms, and above all, poor extension and promotional activities are major constraints in this respect. It is therefore necessary to develop plant-based nitrification inhibitors (natural nitrification inhibitors, NNI) for augmenting nitrogen use efficiency, crop productivity, and for safeguarding the environment. The advantages of NNI are that they are easily available, cheap, and eco-friendly. This paper briefly reviews the different aspects of plant-based nitrification retarders.

Author Biographies

Rakesh Kumar Upadhyay, Visiting Scientist

Visiting Scientist, RDS, ICRISAT

S. K. Tewari, Scientist

Scientist- E2 Head, Division of Agronomy, NBRI, Lucknow

D. D. Patra, Scientist-G and Head

Scientist-G and Head, Division of Agronomy and Soil Science, CIMAP, Lucknow

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Published

09-11-2011

How to Cite

Upadhyay, R. K., Tewari, S. K., & Patra, D. D. (2011). Natural nitrification inhibitors for higher nitrogen use efficiency, crop yield, and for curtailing global warming. Journal of Tropical Agriculture, 49, 19–24. Retrieved from https://jtropag.kau.in/index.php/ojs2/article/view/232

Issue

Section

Review/Synthesis

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