
• (n.) A manure made from night soil, dried and mixed with charcoal, gypsum, etc.
Found on
http://thinkexist.com/dictionary/meaning/poudrette/
Pou·drette' noun [ French, dim. of
poudre dust, powder. See
Powder .] A manure made from night soil, dried and mixed with charcoal, gypsum, etc.
Found on
http://www.encyclo.co.uk/webster/P/138

Poudrette is a powdery manure obtained from ordure. It takes a long time to prepare, is pulverulent, brown in colour and almost inodorous.
Found on
http://www.probertencyclopaedia.com/browse/AP.HTM
No exact match found.