Now the standardized yi writing is used . the yis are mainly engaged in agriculture with the cultivation of other crops such as barley , potato , beans , paddy rice and also in growing masson pine , dragon spruce picea asperata , camphor tree laquer , kapok and other timber . yi nationality appears on the following banknote 彝族人有许多自称，因地而异，如“诺苏” “纳苏” “罗武” “罗罗” “米撒泼” “撒尼” “阿细” “阿西”等，按广大彝族人民的共同意愿，以“彝”作为统一的民族名称。
