IHSS&IWA26 / BRNO / CZECHIA / 23–28 August 2026 BOOK OF ABSTRACTS 184 Poster Session / Analysis and Characterization Hall A water-soluble phosphorus. In addition, scouring and leaching during rainfall events mainly cause nutrient loss from farmland after fertilizer application. Nutrient uptake by crops increased by 15–30 %, and water-nutrient loss decreased by 5–10 % with innovative fertilization strategies. The crop yield is not negatively affected by fertilizer reduction or innovative fertilization strategies. On the other hand, excessive fertilizer application causes crop damage and fertilizer loss. The carbon-negative benefit of adding both microbial agents and biochar to half-organic fertilization resulted in the highest reduction (80.75 %) in carbon emissions through synergistic interactions in the soil matrix. In conclusion, this study proved that (1) effective reduction of NPSP from agricultural activities without impairing crops‘ growth and yield, and (2) the synergistic effects in reducing nutrient loss and mitigating greenhouse gas emissions. References 1. Ahsan, T., Tian, P. C., Gao, J., Wang, C., Liu, C., & Huang, Y. Q. (2024). Effects of microbial agent and microbial fertilizer input on soil microbial community structure and diversity in a peanut continuous cropping system. Journal of Advanced Research, 64, 1-13. 2. Hatim, M., Majidian, M., Tahmasebi, M., & Nabavi-Pelesaraei, A. (2023). Life cycle assessment, life cycle cost, and exergoeconomic analysis of different tillage systems in safflower production by micronutrients. Soil and Tillage Research, 233, 105795. Acknowledgement Sincere appreciation goes to the National Science and Technology Council, Taiwan, for funding support under the grant number 114-2621-M-002-008. National Taiwan University also supported this research under the grant numbers NTUCC-115L893503.
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