How to take soil samples for testing
By: H. F. Murphy and Ato Adugna Zerihun.
Contributors: Haile Sellassie I University, College of Agrictural and Mechanical Arts.
Series: Experiment station leaflet -- no.1
Publisher: Imperial Ethiopain College of Agricultural and Mechanical Arts
Place of publication: Dire Dawa
Language: eng
Number of pages: 22
Notes: Text in Amharic followed by English.