The growing demand for innovative agricultural technologies drives our research on photonics-based solutions for non-destructive plant analysis. Our work introduces two techniques to overcome the limitations of conventional methods. The first part presents a portable VIS-NIR handheld spectrometer, showcasing strong correlations (0.84 and 0.77) for quantifying anthocyanin and chlorophyll content. In the second part, a customized fiber optic probe using ATR-FTIR enables measurements of plant parameters (water content, antioxidant activity, lignin, and cellulose). Statistical analysis of high-resolution spectra introduces the novel index NDMRI for effective phytochemical differentiation. These non-destructive, rapid, and objective methods promise to optimize agriculture and drive advancements in this field.
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