Identity blues: the ethnobotany of the indigo dyeing by Landian Yao (Iu Mien) in Yunnan, Southwest China

Table 4 Detailed recording for traditional indigo dye extraction by Landian Yao

Informant number	Material to tap water (kg:l)	Lime (kg)	Fermentation duration (d)	Mixing time (min)	Stewing time (h)
1	30:150	3	2–3 (hot), 3–4 (cool)^*	10–20	3–4
2	50:150	5	3–4	60	2–3
3	30:150	3	2–3	60	2
4	60:200	2.5	3–4	60	5–6
5	40:150	1.5	2–3	60	1–2
6	40:150	1.5	2–3 (hot), 3–4 (cool)	60	2
7	30:200	1.5	2–3 (hot), 7–8 (cool)	30	5–6
8	25:150	2	2–3	60	12
9	25:150	1	2–3	60	2
10	35:200	1.5	3–4	30	2
11	35:200	5	2–3	60	12
12	30:200	3	3–4	60	2–3
13	30:200	3	2–3	60	2–3
14	30:200	3	3–4	60	2–3
15	25:150	3	2–3	30	5–6
16	30:100	1	2–3	15–20	12
17	40:150	1.5	2–3	60	2–3
18	35:200	3	3–4	60	5–6
19	30:150	3	2–3	60	2–3
20	20:150	2	2–3	60	2–3
21	30:200	3	2–3	60	5–6
22	30:150	3	3–4	30	1–2
23	35:200	3	2–3	60	2
24	50:250	2	3	30	12
25	30:200	3	2–3	30	2–3
26	25:150	2	2–3	30	2–3
27	25:200	3	2–3	60	2–3
28	30:200	3	2–3	60	2–3
29	30:200	3	2–3	60	2–3
30	25:150	2	2–3	60	1–2
31	30:200	3	2–3	60	2
32	30:200	3	2–3	60	1–2
33	25:150	2.5	2–3	30	2–3
34	30:200	3	2–3	30	2–3
35	30:200	3	3–4	60	5–6
36	25:200	3	3–4	60	4–5
37	30:200	3	2–3	60	2–3
38	30:200	3	2–3	10–20	3–4
39	25:200	2.5	2–3	60	2–3
40	30:200	3	3–4	60	2–3
41	30:200	2.5	3–4	60	3–4
42	30:200	3	2–3 (hot), 5–6 (cool)	60	2–3
43	30:200	3	2–3 (hot), 3–4 (cool)	30	2–3
44	25:200	2.5	2–3 (hot), 3–4 (cool)	60	2–3
45	25:150	2	2–3 (hot), 3–4 (cool)	60	2–3
46	30:200	3	2–3	60	3–4