K Kandiannan, P A Mathew, C. K. T. V. S. S. H. (2007). Evaluation of nursery mixture for planting material production in black pepper (Piper nigrum L.). Journal of Spices and Aromatic Crops, 16(2), 111–114. Retrieved from https://updatepublishing.com/journal/index.php/josac/article/view/4874