Guide to fertility programs for tree fruits
By: [R.B. Tukey, A.I. Dow and A.R. Halvorson].
Series: Extension mimeo -- 3062.; Extension mimeo (Washington State University. Cooperative Extension) -- 3062.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1969
Place of publication: Pullman
Language: eng
Notes: Caption title.

"February 1969."

"E.M. 3062."