Soil test index of plant-available potassium and the effects of cropping and fertilization in central Washington irrigated soils
By: [D.W. James, W.H. Weaver and R.L. Reeder].
Contributors: Reeder, R. L.; Weaver, W. H.
Series: Bulletin / Washington Agricultural Experiment Station -- 697.; Bulletin (Washington Agricultural Experiment Station) -- 697.
Publisher: Washington Agricultural Experiment Station, College of Agriculture, Washington State University
Published: 1968
Place of publication: [Pullman, Wash.]
Language: eng
Number of pages: 12
Subjects: Soils -- Washington (State) -- Potassium content; Potassium fertilizers; Soils -- Testing
Notes: Cover title.

Bibliography: p. 11.