Articles | Volume 10, issue 1
https://doi.org/10.5194/soil-10-335-2024
https://doi.org/10.5194/soil-10-335-2024
Original research article
 | 
28 May 2024
Original research article |  | 28 May 2024

Optimized fertilization using online soil nitrate data

Yonatan Yekutiel, Yuval Rotem, Shlomi Arnon, and Ofer Dahan

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Cited articles

Abascal, E., Gómez-Coma, L., Ortiz, I., and Ortiz, A.: Global diagnosis of nitrate pollution in groundwater and review of removal technologies, Sci. Total Environ., 810, 152233, https://doi.org/10.1016/j.scitotenv.2021.152233, 2022. 
Azad, N., Behmanesh, J., Rezaverdinejad, V., Abbasi, F., and Navabian, M.: Evaluation of fertigation management impacts of surface drip irrigation on reducing nitrate leaching using numerical modeling, Environ. Sci. Pollut. R., 26, 36499–36514, https://doi.org/10.1007/s11356-019-06699-2, 2019. 
Ben-Gal, A., Ityel, E., Dudley, L., Cohen, S., Yermiyahu, U., Presnov, E., Zigmond, L., and Shani, U.: Effect of irrigation water salinity on transpiration and on leaching requirements: A case study for bell peppers, Agr. Water Manage., 95, 587–597, https://doi.org/10.1016/j.agwat.2007.12.008, 2008. 
Bijay-Singh and Ali, A. M.: Using hand-held chlorophyll meters and canopy reflectance sensors for fertilizer nitrogen management in cereals in small farms in developing countries, Sensors, 20, 1127, https://doi.org/10.3390/s20041127, 2020. 
Bijay-Singh and Craswell, E.: Fertilizers and nitrate pollution of surface and ground water: an increasingly pervasive global problem, SN Appl. Sci., 3, 518, https://doi.org/10.1007/s42452-021-04521-8, 2021. 
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Short summary
A new soil nitrate monitoring system that was installed in a cultivated field enabled us, for the first-time, to control nitrate concentration across the soil profile. Frequent adjustment of fertilizer and water application followed the actual dynamic variation in nitrate concentration across the soil profile. Hence, a significant reduction in fertilizer application was achieved while preserving optimal crop yield.