manurial

adj

1. Of or pertaining to manure.

   “1894, Ivan Dexter, Talmud: A Strange Narrative of Central Australia, published in serial form in Port Adelaide News and Lefevre's Peninsula Advertiser (SA), Chapter XXVI, http://gutenberg.net.au/ebooks16/1600641.txt I understood from Anscra that all the filth and refuse of the settlement—except a certain portion kept for manurial purposes, and sent to the plantation—was thrown into this torrent nightly and swept perhaps hundreds of miles away.”

   “Birds' dung has been held in high regard since time immemorial as a fertiliser, and the fact that this wonderful new manure was composed of birds' dung, and had a strong manurial smell, undoubtedly helped it to come rapidly into favour among farmers.”