Burgundy mixture is a simple diy copper fungicide that is effective against many fungi diseases in crops. It is a mixture of copper sulfate (CuSO4) and sodium carbonate (sodium bicarbonate, Na2CO3). It is also known as “sal soda Bordeaux”, not to be confused with Bordeaux mixture, which is a mixture of copper sulphate and hydrated lime (Ca(OH)2).

The chemicals listed here can be bought in places where Industrial or Chemistry lab chemicals are sold. But it is cheaper to buy from Industrial chemical sellers. In Anambra State, Nigeria, you can get them from Uga market, close to River Niger Bridge Head.

How to Make Burgundy Mixture

The amount of ingredients to use depends on the percentage of copper sulphate in the mixture. A 1% Burgundy mixture will contain 1% copper sulphate (that is, 1kg copper sulphate in 100 liters of water). Sodium bicarbonate is usually added at a higher
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