K. Ramakrishnan2, S. Sridevi1*,. 2010. “The Effect of NPK Fertilizer and AM Fungi on the Growth and Yield of Cotton (Gossypium Hirsutum L.) Var. LRA 5166”. Recent Research in Science and Technology 2 (10). https://www.updatepublishing.com/journal/index.php/rrst/article/view/521.