Chemosensors (Mar 2021)

Integration of Spectral Reflectance Indices and Adaptive Neuro-Fuzzy Inference System for Assessing the Growth Performance and Yield of Potato under Different Drip Irrigation Regimes

  • Salah Elsayed,
  • Salah El-Hendawy,
  • Mosaad Khadr,
  • Osama Elsherbiny,
  • Nasser Al-Suhaibani,
  • Yaser Hassan Dewir,
  • Muhammad Usman Tahir,
  • Muhammad Mubushar,
  • Waleed Darwish

DOI
https://doi.org/10.3390/chemosensors9030055
Journal volume & issue
Vol. 9, no. 3
p. 55

Abstract

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Simultaneous and timely assessment of growth and water status-related plant traits is critical for precision irrigation management in arid regions. Here, we used proximal hyperspectral sensing tools to estimate biomass fresh weight (BFW), biomass dry weight (BDW), canopy water content (CWC), and total tuber yield (TTY) of two potato varieties irrigated with 100%, 75%, and 50% of the estimated crop evapotranspiration (ETc). Plant traits were assessed remotely using published and newly constructed vegetation and water spectral reflectance indices (SRIs). We integrated genetic algorithm (GA) and adaptive neuro-fuzzy inference system (ANFIS) models to predict the measured traits based on all SRIs. The different plant traits and SRIs varied significantly (p 2 = 1.0) and testing (R2 = 0.72–0.97) modes. The results indicate that SRI-based ANFIS models can improve plant trait estimation. This analysis also confirmed the benefits of applying GA to ANFIS to estimate plant responses to different growth conditions.

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