Skip to main content

Table 1 Questionnaire for the interviewees.

From: Quality blues: traditional knowledge used for natural indigo identification in southern China

1 How many indigo-yielding plant species do you use?
2 What are the local names of these indigo-yielding plants?
3 What do these local names mean?
4 How to make indigo paste after harvesting indigo-yielding plants?
5 How many ways can you judge the quality of indigo paste?
6 How to judge specifically?
7 Which of these methods do you like best?