Levi Stockbridge and the Stockbridge principle of plant feeding. Extract from tribute by William H. Bowker read at the memorial exercises at Amherst, 1904.
- Boston, 1911.
- 1 p. l., 11 p. port. 21 cm.
Bound with a collection of pamphlets from various sources, relating to soils, 1850-1914, including: The problem of fertility in the middle west : Address / prepared by W.H. Bowker and Horace Bowker and read ... in Chicago Jan. 9, 1914.