Yadukumar, N., R. Rejani, and B. Prabhakar. “Fertigation for Efficient Water and Nutrient Management in High Density Cashew Plantation”. Journal of Plantation Crops, vol. 37, no. 2, July 2009, pp. 102-10, https://updatepublishing.com/journal/index.php/JPC/article/view/5947.