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The substitution of lime-sulphur preparations for Bordeaux mixture in the treatment of apple diseases
The field treatment of tobacco root-rot
Forest health monitoring in Maine, 1996-1999
Forest health monitoring in Maryland, 1996-1999
Forest health monitoring in Rhode Island, 1996-1999
Forest health monitoring in Connecticut, 1996-1999
The pear leaf blister mite as a cause of fruit-bud injury
Forest health monitoring in Pennsylvania, 1998-1999
Forest health monitoring in Delaware, 1996-1999
Forest health monitoring in New Jersey, 1996-1999