PRADHAN, S, K K BANDYOPADHYAY, R N SAHOO, V K SEHGAL, R SINGH, D K JOSHI, and V K GUPTA. 2013. “Prediction of Wheat (Triticum Aestivum) Grain and Biomass Yield under Different Irrigation and Nitrogen Management Practices Using Canopy Reflectance Spectra Model”. The Indian Journal of Agricultural Sciences 83 (11). https://epubs.icar.org.in/index.php/IJAgS/article/view/34488.