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Use of nitrification inhibitor DMPP to improve nitrogen recovery in irrigated wheat on a calcareous soil

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Issue date
2010
Author
Villar Mir, Josep Ma.
Guillaumes Cullell, Elisenda
Suggested citation
Villar Mir, Josep Ma.; Guillaumes Cullell, Elisenda; . (2010) . Use of nitrification inhibitor DMPP to improve nitrogen recovery in irrigated wheat on a calcareous soil. Spanish Journal of Agricultural Research, 2010, vol. 8, núm. 4, p. 1218-1230. https://doi.org/10.5424/sjar/2010084-1241.
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Abstract
The 3,4-dimethyilpyirazole phosphate (DMPP), commercialized as Entec, is a nitrification inhibitor developed by BASF (Germany) that may help to minimize N losses and to obtain a higher profit from N fertilizers. A two-year field trial was established in 2001 in the Northeast of Spain to assess the effects of DMPP on N use efficiency (NUE) and to determine the economic returns. Seven treatments have been carried out comparing the effect of DMPP on pig slurry and on mineral fertilizers. The application of DMPP resulted in better efficiency indexes on mineral fertilizers. An apparent nitrogen recovery of 0.465 kg kg-1, on average, was obtained for the Entec treatment. A net benefit of € 809 ha-1, on average, was obtained for the Entec treatment compared with € 607 ha-1 for the control treatment. The results of this study suggest that the nitrification inhibitor could improve farmer profit in irrigated wheat on a calcareous soil.
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http://hdl.handle.net/10459.1/41559
DOI
https://doi.org/10.5424/sjar/2010084-1241
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Spanish Journal of Agricultural Research, 2010, vol. 8, núm. 4, p. 1218-1230
European research projects
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