Turns a regular walk through the cornfield into an illuminating lesson on future yield. Includes instruction in pH level determination from soil samples and methods of tissue sampling.
Purdue University, Cooperative Extension Service, Media Distribution Center, 231 S University St., Lafayette, IN 47907-2094, Phone: (765)494-6795, Toll-free: 888-398-4636, Fax: (765)496-1540, Email: email@example.com, URL: http://www.ces.purdue.edu
Available on VHS
Running time 14 minutes.
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