Influence of continuous cropping on the fixation and release of potassium by three Pennsylvania soils

Author:: Grissinger, Earl Habecker, 1931-
Published:: [Place of publication not identified] : [publisher not identified], 1957.
Physical Description:: 102 leaves : diagrams,tables

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Graduate Program:

Subject(s):

Dissertation Note:

Ph.D. Pennsylvania State University.

Note:

Vita.

Reproduction Note:

Microfilm (positive). 1 reel 35mm., (University Microfilm).

View MARC record | catkey: 109502