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Nitrogen Challenges and Opportunities for Agricultural and Environmental Science in India

OAR@ICRISAT

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Relation http://oar.icrisat.org/11804/
https://doi.org/10.3389/fsufs.2021.505347
doi:10.3389/fsufs.2021.505347
 
Title Nitrogen Challenges and Opportunities for Agricultural and Environmental Science in India
 
Creator Móring, A
Hooda, S
Raghuram, N
Adhya, T K
Ahmad, A
Bandyopadhyay, S K
Barsby, T
Beig, G
Bentley, A R
Bhatia, A
Dragosits, U
Drewer, J
Foulkes, J
Ghude, S D
Gupta, R
Jain, N
Kumar, D
Kumar, R M
Ladha, J K
Mandal, P K
Neeraja, C N
Pandey, R
Pathak, H
Pawar, P
Pellny, T K
Poole, P
Price, A
Rao, D L N
Reay, D S
Singh, N K
Sinha, S K
Srivastava, R K
Shewry, P
Smith, J
Steadman, C E
Subrahmanyam, D
Surekha, K
Venkatesh, K
Varinderpal, S
Uwizeye, A
Vieno, M
Sutton, M A
 
Subject Agriculture
Fertilizer Applications
 
Description In the last six decades, the consumption of reactive nitrogen (Nr) in the form of fertilizer
in India has been growing rapidly, whilst the nitrogen use efficiency (NUE) of cropping
systems has been decreasing. These trends have led to increasing environmental losses
of Nr, threatening the quality of air, soils, and fresh waters, and thereby endangering
climate-stability, ecosystems, and human-health. Since it has been suggested that the
fertilizer consumption of India may double by 2050, there is an urgent need for scientific
research to support better nitrogen management in Indian agriculture. In order to share
knowledge and to develop a joint vision, experts from the UK and India came together for
a conference and workshop on “Challenges and Opportunities for Agricultural Nitrogen
Science in India.” The meeting concluded with three core messages: (1) Soil stewardship
is essential and legumes need to be planted in rotation with cereals to increase nitrogen
fixation in areas of limited Nr availability. Synthetic symbioses and plastidic nitrogen
fixation are possibly disruptive technologies, but their potential and implications must be
considered. (2) Genetic diversity of crops and new technologies need to be shared and
exploited to reduce N losses and support productive, sustainable agriculture livelihoods. (3) The use of leaf color sensing shows great potential to reduce nitrogen fertilizer use
(by 10–15%). This, together with the usage of urease inhibitors in neem-coated urea,
and better management of manure, urine, and crop residues, could result in a 20–25%
improvement in NUE of India by 2030.
 
Publisher Frontiers Media
 
Date 2021-02
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11804/1/moring%20et%20al%202021%20fsufs-05-505347.pdf
Móring, A and Hooda, S and Raghuram, N and Adhya, T K and Ahmad, A and Bandyopadhyay, S K and Barsby, T and Beig, G and Bentley, A R and Bhatia, A and Dragosits, U and Drewer, J and Foulkes, J and Ghude, S D and Gupta, R and Jain, N and Kumar, D and Kumar, R M and Ladha, J K and Mandal, P K and Neeraja, C N and Pandey, R and Pathak, H and Pawar, P and Pellny, T K and Poole, P and Price, A and Rao, D L N and Reay, D S and Singh, N K and Sinha, S K and Srivastava, R K and Shewry, P and Smith, J and Steadman, C E and Subrahmanyam, D and Surekha, K and Venkatesh, K and Varinderpal, S and Uwizeye, A and Vieno, M and Sutton, M A (2021) Nitrogen Challenges and Opportunities for Agricultural and Environmental Science in India. Frontiers in Sustainable Food Systems (TSI), 5. pp. 1-16. ISSN 2571-581X