EXPERIMENT STATION BULLETINS. 



495 



THE MAKING OF BORDEAUX. 



FOR SMALL ACREAGES. 



(1) Saw a 50-gallon barrel (vinegar or oil) and make two 

 2.j-gallon tubs. 



(2) Put 2 pounds of Bluestone (called Blue Vitriol or 

 co})per sulphate) in a clotli sack and hang over night in one- 

 half tub of water (12i/^ gallons). Bluestone dissolves slowly. 

 Hang it the night before so that the sack is just under the 

 surface of the water. 



DIP EQUAL PART5 TROM 1 

 AND 2 INTO 3 



IVI&OR- 

 OUSLV 



Fine mesh screen 

 Qn4, tunnel to strain 

 ordeoux 



Use thi5 mixture at once inspra^ycp'-^^ &ppoyer 



Fig. 6. How to make Bordeaux mixture for small acreages. 



(3) Make a lime paste by slaking 2 pounds of fresh stone 

 lime in one-half pail of water. Stir this into the half tub 

 (121/2 gallons) of cold water. Hydra ted lime (comes in 

 sacks) may be used. Use 21/^ to 3 pounds of hydrated. Then 

 follow the directions in the picture. This method will make 

 25 gallons of spray. 



