bad debt expense. Expense associated with a firm's inability to collect accounts receivable, classified usually as an administrative or selling expense. Also called uncollectible accounts expense. http://www.businessdictionary.com/definition/bad-debt-expense.html.
Comfrey (also comphrey) is a common name for plants in the genus Symphytum.Comfrey species are important herbs in organic gardening. It is used as a fertilizer and as an herbal medicine.The most commonly used species is Russian comfrey Symphytum Ã uplandicum, which is a cross or hybrid of Symphytum officinale (Common Comfrey) and Symphytum asperum (Rough Comfrey).ature comfrey plants can be harvested up to four or five times a year. They are ready for cutting when about 60 cm (24 in) high, and, depending on seasonal conditions, this is usually in mid-Spring. Comfrey will rapidly regrow, and will be ready for further cutting about 5 weeks later.
Symphytum officinale, or comfrey herb plant, has a long history of use as a medicinal herb but not as a culinary plant. Otherwise known as knitbone or slippery root, comfrey plants have been used medicinally since 400 BC to stop heavy bleeding and to treat bronchial issues.omfrey plants generally prefer shade to part shade exposures in warm moist soil, although some cultivars require full sunlight to attain highest yields. There are some aggressive species and many self-sow readily. Propagation can be done via seed, division or separation.