Studies in soil bacteria 1: a preliminary account of the distribution of azotobacter in some Transvaal soils
Subtitle: [and] A re-grouping of cultivated barleys with suggestions on the classification of cultivated plants
By: by J.M. Hector, [and] Pasture Studies 1: A preliminary analysis of the grazing conditions on a Potgietersrust farm, by J.W. Rowland and J.M. Hector.
Publisher: South African Assoc. for the Advancement of Science
Published: 1932
Place of publication: Johannesburg
Language: eng
Number of pages: 27
Notes: At head of title: University of Pretoria, reprint no. 1.

Reprinted from the "South African Journal of Science", Vol. 29, 1932.