Investigations in soil management
Subtitle: part I, Amount of plant food readily recoverable from field soils with distilled water; Part II, Relation of crop yields to amounts of water-soluble plant-food materials recovered from soils; Part III, Relation of differences of climatological environment to crop yields.
Contributors: King, F. H. 1848-1911.
Series: Soils Bur. Bull. No. 26
Publisher: U.S. G.P.O.
Published: 1905
Place of publication: [Washington, D.C.]
Format: Microform
Subjects: Soils.