method of topworking pear trees for early maximum production and for reducing stony pit losses
By: Gordon G. Brown.
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 438.; Station bulletin (Oregon State College. Agricultural Experiment Station) -- 438.
Publisher: Oregon State System of Higher Education, Agricultural Experiment Station, Oregon State College
Published: 1946
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 23
Subjects: Pear -- Pruning
Notes: Cover title.