SWAMY KK, RAJU DV, RAO TM, RAJU P. Effect of integrated use of fertilizers and organic manures on soil and crop productivity under sugarcane (Saccharum officinarum) based cropping system. Indian J Agri Sci. 2013;69(8). Accessed October 28, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/26940