KUMAR, V. et al. 2015. Precision nutrient and conservation agriculture practices for enhancing productivity, profitability, nutrient-use efficiencies and soil nutrient status of maize (Zea mays) hybrids. The Indian Journal of Agricultural Sciences. 85, 7 (Jul. 2015), 926–930. DOI:https://doi.org/10.56093/ijas.v85i7.50124.