Advances in agronomy. v.48/
edited by Donald L. Sparks.
- San Diego [etc.] Academic Press, 1992.
- ix, 313 p. : ill.
- 48.
0120007487 $48.6
93014170
Agriculture.
Agriculture--Research.
Cotton.
Corn
0120007487 $48.6
93014170
Agriculture.
Agriculture--Research.
Cotton.
Corn