ARKA PRABHA GHOSH, et al. “Yield Components and Nutrient Accumulation in Maize (Zea Mays) under Variable Growing Environments and Chlorophyll Meter-Guided Nitrogen Fertilization”. Indian Journal of Agronomy, vol. 61, no. 2, Oct. 2001, pp. 252-5, https://doi.org/10.59797/ija.v61i2.4358.