The fixation of atmospheric nitrogen
Subtitle: a communication made to the Cairo Scientific Society, January 3, 1919
By: by Frank Hughes. (Ed. by the Publication committee of the Ministry of Agriculture)
Series: Egypt. Dept. of Agriculture. Technical and Scientific Service. Bulletin -- no. 20
Publisher: Government Press
Published: 1922
Place of publication: Cairo
Language: eng
Number of pages: 13
Subjects: Nitrification.