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? |