Boron deficiency in pear trees of southern Washington as influenced by temperature, precipitation, soil retention and leaching
By: by David Earl Whiting.
Published: 1977
Language: eng
Number of pages: 49
Subjects: Pear.; Soils -- Boron content.
Notes: Thesis (M.S.)--Washington State University.

Bibliography : leaves 34-39.

WSU:"Department of Horticulture"