pathological survey of the Para rubber tree (Hevea brasiliensis) in the Amazon Valley
By: by James R. Weir.
Series: Department bulletin / United States Department of Agriculture -- no. 1380; Department bulletin -- no. 1380.
Publisher: U.S. Dept. of Agriculture
Published: 1926
Place of publication: Washington, D.C
Language: eng
Number of pages: 130
Subjects: Hevea -- Amazon River Valley.
Notes: Cover title.

"Contribution from Bureau of Plant Industry."

Bibliography: p. 97-129.