Hua hei 01 Hua hei 02 are newly breeds of black rice,which are derived by means of sysmetic breeding,purificarion and so on during 1989~1995. The average yield is 7 345.5±469.5 kg/hm 2,6 828.0±276.0 kg/hm 2 respectively; protein content is 13.4±0.7%, 13.15±0.54% respectively. 5 6 contents in eight essential amino acids are higher than the standard suggested by FAO/TWHO,...