ulmate

It contains its nitrogen in a great variety of forms, the chief of these being urate, oxalate, ulmate, humate, sulphate, phosphate, carbonate, and muriate of ammonia; and also in a rare form of organic nitrogen peculiar to guano, called guanine.

Manures and the principles of manuring Charles Morton Aikman

But when there is a good proportion of manure from well fed animals in the heap, carbonate of ammonia is formed from the nitrogenous compounds in the manure, and this ammonia unites with the humic and ulmic acids and forms humate and ulmate of ammonia.

Talks on Manures A Series of Familiar and Practical Talks Between the Author and the Deacon, the Doctor, and other Neighbors, on the Whole Subject Joseph Harris 1860