KAUSHAL, MANOJ, et al. “Impact of Integrated Nutrient Management Systems on Cauliflower (Brassica Oleracea Var Botrytis) Yield and Soil Nutrient Status”. The Indian Journal of Agricultural Sciences, vol. 83, no. 10, Oct. 2013, https://epubs.icar.org.in/index.php/IJAgS/article/view/33656.