International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 6, Issue:10, October, 2017

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(10): 1485-1490

Enzyme Activity, Agronomic Nitrogen Use Efficiency and Yield of Rainfed Maize (Zea mays L.) as Influenced by Natural Nitrification Inhibitors
D. Sravanthi*, G. Pratibha, B. Padmaja and T. Prabhakar Reddy
Central Institute for Dryland Agriculture (CRIDA), Santoshnagar, Hyderabad-500059, Telangana, India
*Corresponding author

Nitrogen is a major essential yield limiting nutrient in crop production, it serves as a constituent of many plant cell components, such as amino acids and nucleic acids. Hence it is important to improve the productivity as maize is an exhaustive crop. The low productivity of maize during kharif season is attributed to a wide range of constraints including the low nitrogen use efficiency. Nitrogen in the soil is highly dynamic and mobile element and significant loss occurs as a result of NO3- leaching, denitrification, runoff, NH3 volatilization, and gaseous emissions of N2O and NO to the atmosphere. Among those nitrification is the major loss in drylands. Inefficient use has resulted in serious environmental consequences like ground water pollution and N2O emissions which is a potent greenhouse gas. It leads to low nitrogen use efficiency, this calls for worldwide attention. The remedy for this is urea coating with natural compounds neem cake, karanj cake and Vitex negundo leaf powder (2.5%) by using adjuvants like castor oil and coal tar (1 % v/w) exhibited the lower urease activity and nitrification. Further N availability was increased throughout crop growth periods. So, the ANUE and grain yield were improved.

Keywords: Urease enzyme, Dehydrogenase enzyme, Agronomic nitrogen use efficiency, Yield, efficiency, NNI, ANUE, DATP.

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How to cite this article:

Sravanthi, D., G. Pratibha, B. Padmaja and Prabhakar Reddy, T. 2017. Enzyme Activity, Agronomic Nitrogen Use Efficiency and Yield of Rainfed Maize (Zea mays L.) as Influenced by Natural Nitrification InhibitorsInt.J.Curr.Microbiol.App.Sci. 6(10): 1485-1490. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.