The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 684
ters; g g, pits to be filled with dung at the commencement of forcing Ground Plan of the Asparagus Pits, fyc. (fg. 136.) a a, Pits 136