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  1. The effects of adequate and excessive application of mineral fertilizers on the soil by Bijay-Singh, Sapkota, Tek Bahadur

    Published 2023
    “…Fertilizers lead to the accumulation of soil organic matter (SOM), but the excessive application of nitrogen fertilizers is deleterious to SOM, may contribute to nitrate pollution of freshwaters and emission of nitrous oxide – a greenhouse gas. …”
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    Book Chapter
  2. Excessive food price variability early warning system by International Food Policy Research Institute

    Published 2012
    “…Visual representations of excessive global price volatility and daily volatility updates that alert policymakers to trigger country-level food security responses…”
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    Software
  3. When prices spike: Identifying excessive volatility in fertilizer markets by Yao, Feng, Hernandez, Manuel A.

    Published 2026
    “…Using a nonparametric location-scale approach to model price returns, we quantify the conditional value-at-risk (CVaR)—the high return threshold exceeded with low probability—to identify excessive price spikes in potash, urea, and di-ammonium phosphate (DAP) markets. …”
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    Journal Article
  4. Physiological and Molecular Responses to Excess Boron in Citrus macrophyllaW by Martínez-Cuenca, Mary-Rus, Martínez-Alcántara, Belén, Quinones, Ana, Ruiz, Marta, Iglesias, Domingo J., Primo-Millo, Eduardo, Forner-Giner, María A.

    Published 2020
    “…Accordingly, B was located in +B plants preferently in an insoluble form on cell walls. Finally, excess B caused a significant rise in proline concentration (51% and 34% in roots and leaves, respectively), while the MDA level did not exceed 20%. …”
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    Artículo
  5. Excessive food price variability early warning system: Incorporating exogenous covariates by Geng, Xin, Hernandez, Manuel A., Martins-Filho, Carlos

    Published 2021
    “…The Excessive Food Price Variability Early Warning System, maintained by IFPRI’s Food Security Portal, identifies periods of unusual or excessive price volatility (i.e. price variability that exceeds a pre-established, estimated threshold) for a wide set of major agricultural and food commodity markets. …”
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    Artículo preliminar

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