Fertilization of shade trees
By: [by Homer L. Jacobs]
Series: Bulletin / Davey Tree Expert Co., Research Dept -- 4,5; Bulletin (Davey Tree Expert Co. Research Department) -- 4, 5
Publisher: Davey Tree Expert Co.
Published: 1929
Place of publication: Kent, Ohio
Language: eng
Subjects: Trees; Fertilizers
Notes: Cover title.

Bibliography: v.1, p. 28.
Table of contents: title: v.1. Fall vs. spring fertilization; title: v.2. Chemical fertilizers for conifers?