南豆99系四川省南充市农科所经多年系统选育而成,于1999年5月通过四川省品种审定委员会审定。1997和1998两年参加四川省区试,平均每667米~2(1亩)产181.6公斤,比对照平均增产10.8％。1998年在乐山、自贡、南充三个不同生态区进行生产试验,试验结果:平均667米~2产 Nandou 99 Department of Nanchong City, Sichuan Province, after years of systematic selection and breeding of agricultural systems, in May 1999 through the Sichuan Provincial Commission for approval validation. In 1997 and 1998, they took part in the trial in Sichuan Province, with an average of 181.6 kg per 667 m ~ 2 (1 mu), an average increase of 10.8% over the control. 1998 in Leshan, Zigong, Nanchong three different ecological zones production test, the test results: an average of 667 m ~ 2 production