Pushing Bordeaux mixture.
Dixon
Bernard
B
D000383:Agriculture / Q000266:history*; D003300:Copper / Q000266:history*; D019327:Copper Sulfate / Q000266:history*; D005602:France; D005659:Fungicides, Industrial / Q000266:history*; D049672:History, 19th Century
D005659:Fungicides, Industrial; D003300:Copper; C006788:Bordeaux mixture; D019327:Copper Sulfate