Agricultural history

Articles in SafetyLit
Y-Axis = Volume :: X-Axis = Issue
?=unknown status :: X=no issue published :: nn=articles from issue :: A=relevant article(s) IDed to add
S=searched, nothing relevant :: O=issue published but not yet searched :: C=combination issue

	1	2	3	4

46 (1972)	?	?	1	?
73 (1999)	1	?	?	?
80 (2006)	?	?	1	?
82 (2008)	?	?	1	?
83 (2009)	?	?	?	1
85 (2011)	?	1	?	?
96 (2022)	?	?	?	1