Untitled edit

As part of an assignment for a class I edited this article. I restructured the article and added some new information. at some point I removed and added back some of the original content and unfortunately removed a citation needed link.. I am not sure how to add this back.. :( --Cvtang (talk) 01:58, 10 November 2020 (UTC)Reply

small amount of nod factor usually is extracted,when oxygen is much in soil. by Cha. Korea University

I have moved this off the main page, please provide a reference. Onco_p53 23:03, 20 October 2005 (UTC)Reply

Wiki Education Foundation-supported course assignment edit

  This article was the subject of a Wiki Education Foundation-supported course assignment, between 10 August 2020 and 10 December 2020. Further details are available on the course page. Student editor(s): Cvtang.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 08:48, 18 January 2022 (UTC)Reply