S. NARENDAR REDDY, M. S. G. J. G. P. M. M. and (2019) “YIELD SUSTAINABILITY UNDER LONG TERM RICE - RICE CROPPING SYSTEM”, The Journal of Research, PJTSAU, 47(2). Available at: https://epubs.icar.org.in/index.php/TJRP/article/view/92541 (Accessed: 27 March 2023).