Document Type

Article

Publication Date

8-1-1971

Series Number

ESS-12 (No. 33 in a series 67)

Pages

6

Comments

This item was digitized with funding from Project Ceres, a collaboration between the United States Agricultural Information Network (USAIN), Agriculture Network Information Collaborative (AgNIC), and the Center for Research Libraries (CRL).

Publisher

SDSU Cooperative Extension Service

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