Effect of NPK fertilizer on the biochemical response of tomatoes (Solanum lycopersicum L.)


  • Zoubida BENTAMRA University of Mostaganem, Faculty of Nature and Life Sciences, Department of Agronomy, Mostaganem 27000 (DZ)
  • Housna MEDJEDDED University of Mostaganem, Faculty of Nature and Life Sciences, Department of Biology, Mostaganem 27000 (DZ)
  • Saïd NEMMICHE University of Mostaganem, Faculty of Nature and Life Sciences, Department of Biology, Mostaganem 27000 (DZ)
  • Mohammed BENKHELIFA University of Mostaganem, Faculty of Nature and Life Sciences, Department of Agronomy, Mostaganem 27000 (DZ)
  • Danilo R. DOS SANTOS Universidade Federal de Santa Maria (UFSM), Dep. de Solos, Santa Maria - RS, 97105-900 (BR)




agro-ecosystem, oxidative stress, phenolic compounds, plant, soil


Increasing nutrient inputs affect plants and soil. Long-term, repeated mineral fertilizer applications may alter the agro-ecosystem. The application of the right amount of fertilizer is primordial to maintaining and improving sustainable plant productivity. The physiological response of the plant provides meaningful information on yield and makes it possible to better choose the doses of fertilization amendments. In order to determine the adequate dose of NPK fertilizer under economically profitable and more environmentally sustainable conditions, we investigated the impact of the chemical fertilizer amended at different NPK fertilizer doses (15, 20, and 25 kg ha-1) on the growth parameters, oxidative metabolism, and yield of Solanum lycopersicum. A complete random block experimental set-up with three doses and four replicates was performed for a greenhouse tomato crop. The results showed that NPK fertilizer influences morphological parameters, and phenolic compounds with the best data correlated to the medium treatment. Likewise, the content of flavonoids, lycopene, and β-carotene in tomato fruits displays a similar trend of variation with all treatment doses. The biochemical responses of plants to mineral fertilizer indicate that a medium dose is suitable, without overuse of fertilizers and pesticides, to reduce the negative impact on the agro-ecosystem.


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How to Cite

BENTAMRA, Z., MEDJEDDED, H., NEMMICHE, S., BENKHELIFA, M., & DOS SANTOS, D. R. (2023). Effect of NPK fertilizer on the biochemical response of tomatoes (Solanum lycopersicum L.). Notulae Scientia Biologicae, 15(3), 11516. https://doi.org/10.55779/nsb15311516



Research articles
DOI: 10.55779/nsb15311516