Studies on the difference in character of Indica rice from Japonica rice. 1. Effect of various applications of nitrogen on the growth and yield of panicle-number and panicle-weight type in Indica and Japonica rice Nishi, K.; Kaneki, Y. Jap. J. trop. Agric 11(3): 101-6 1967 https://eurekamag.com/research/014/693/014693679.php