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Open AccessEditorial
Agronomy 2016, 6(2), 31; doi:10.3390/agronomy6020031

Towards a Better Understanding of Agronomic Efficiency of Nitrogen: Assessment and Improvement Strategies

1
Council for Agricultural Research and Economics–CREA-SCA, Research Unit for Cropping Systems in Dry Environments (Azienda Sperimentale Metaponto), SS 106 Jonica, km 448.2, Metaponto 75010, Italy
2
Council for Agricultural Research and Economics–CREA-SCA, Research Unit for Cropping Systems in Dry Environments, Bari-Italy. Via Celso Ulpiani 5, Bari 70125, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Peter Langridge
Received: 25 April 2016 / Accepted: 26 April 2016 / Published: 10 May 2016
View Full-Text   |   Download PDF [168 KB, uploaded 10 May 2016]

Abstract

Agronomic N-use efficiency is the basis for economic and environmental efficiency, and an effective agro-ecosystem management practice, improving nutrient use efficiency, is a crucial challenge for a more sustainable production of horticultural, industrial and cereal crops. However, discrepancy between theory and practice still exists, coming from large gaps in knowledge on net-N immobilization/mineralization rates in agro-ecosystems, as well as on the effects of indigenous and applied N to crop response. A more thorough understanding of these topics is essential to improve N management in agricultural systems. To this end, the present Special Issue collects research findings dealing with different aspects of agronomic efficiency of N in different agro-ecosystems, and environmental impact derived from fertilization management practices. In particular, the Special Issue contains selected papers, which concern a wide range of topics, including analyzing tools, options of management, calculation equation and modeling approaches. View Full-Text
Keywords: nitrogen use efficiency; cropping systems; nitrogen management; calculation tool; fertilizer source; nitrate leaching; crop N-status; modeling approach nitrogen use efficiency; cropping systems; nitrogen management; calculation tool; fertilizer source; nitrate leaching; crop N-status; modeling approach
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Montemurro, F.; Diacono, M. Towards a Better Understanding of Agronomic Efficiency of Nitrogen: Assessment and Improvement Strategies. Agronomy 2016, 6, 31.

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