Source and degree of soil variation in the field
Subtitle: the problem of sampling for soil tests and estimating soil fertility status
By: [D.W. James and A.I. Dow].
Contributors: Dow, A. I.
Series: Bulletin / Washington Agricultural Experiment Station -- 749.; Bulletin (Washington Agricultural Experiment Station) -- 749.
Publisher: Washington Agricultural Experiment Station, College of Agriculture, Washington State University
Published: 1972
Place of publication: [Pullman, Wash.]
Language: eng
Number of pages: 11
Subjects: Soils -- Sampling; Soils -- Testing; Soil fertility
Notes: Cover title.

Bibliography: p. 11.