Alunite and kelp as potash fertilizers.
By: By J.J. Skinner and A.M. Jackson.
Contributors: Jackson, Albert M.,
Series: United States. Dept. of Agriculture. Bureau of Soils. Circular -- no. 76
Publisher: Govt. print. off.]
Published: 1913
Place of publication: [Washington
Language: eng
Subjects: Alunite; Kelps; Potash