SHARMA, V K, et al. “Soil Test Crop Response Based Fertilizer Recommendations under Integrated Nutrient Management for Higher Productivity of Pearl Millet (Pennisetum Glaucum) and (Triticum Aestivum) Wheat under Long Term Experiment”. The Indian Journal of Agricultural Sciences, vol. 86, no. 8, Aug. 2016, pp. 1076–81, https://doi.org/10.56093/ijas.v86i8.60561.