Cooperative studies on the effects of height of ridge, nitrogen supply, and time of harvest on yield and flesh color of the Porto Rico sweetpotato /

Chicago citation style
Cooperative studies on the effects of height of ridge, nitrogen supply, and time of harvest on yield and flesh color of the Porto Rico sweetpotato /. 1950. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394508. (Accessed December 15, 2018.)
APA citation style
(1950) Cooperative studies on the effects of height of ridge, nitrogen supply, and time of harvest on yield and flesh color of the Porto Rico sweetpotato /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394508
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394508>.
Note: These citations are programmatically generated and may be incomplete.