- Publication venue
- Ohio Agricultural Research and Development Center
- Publication date
- 01/01/1970
- Field of study
- Publication venue
- Ohio State University. Ohio State University Extension
- Publication date
- 01/05/1968
- Field of study
PDF pages: 3
- Publication venue
- 'Purdue University (bepress)'
- Publication date
- 01/01/1964
- Field of study
Abstract not availabl
- Publication venue
- 'American Society of Agronomy'
- Publication date
- Field of study
- Publication venue
- 'American Society of Agronomy'
- Publication date
- Field of study