Lu, F.D., 1991: Elite japonica rice variety Shen Nong 91. Bulletin of Agricultural Science and Technology ( 4): 34
This midlate variety was bred from the cross 198 X 150. It yields 8.25-12 t/ha and is tolerant of high fertilizer doses and cold and resistant to Pyricularia oryzae and Xanthomonas campestris pv. oryzae.