Preparation of Bordeaux Mixture: To make 4 gallons: Powdered bluestone may be dissolved readily in 2 pints of hot water in an earthenware or wooden vessel. Bluestone crystals may be tied in sacking and suspended just touching the hot water. Mix the hydrated lime to a thin paste with 2 pints of water. When bluestone is dissolved add 3 ½ gals, of water and then thoroughly mix the 2 pints of hydrated lime with the bluestone solution, stirring rapidly for a few minutes. Containers for spraying and mixing sprays should be of copper, brass, wood or earthenware. Bordeaux must be used within 8 hours. after mixing. All quantities given in this spray programme are for 4 gallons of spray.
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Te Ao Hou, July 1955, Page 45
Word Count
118Preparation of Bordeaux Mixture: Te Ao Hou, July 1955, Page 45
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The Secretary Maori Purposes Fund Board
C/- Te Puni Kokiri
PO Box 3943
WELLINGTON
Phone: (04) 922 6000
Email: MB-RPO-MPF@tpk.govt.nz