Studies on acid soils of Porto Rico
By: by Oscar Loew
Series: Bulletin / Porto Rico Agricultural Experiment Station -- no. 13; Bulletin (Porto Rico Agricultural Experiment Station) -- no. 13.
Publisher: Porto Rico Agricultural Experiment Station
Published: 1913
Language: eng
Number of pages: 23
Subjects: Acid soils
Notes: "Under the supervision of Office of Experiment Stations, U.S. Department of Agriculture."