Prevents nutrient deficiency in fruit and edible crops. Also can be used as a defence against blight in potatoes and tomatoes going some way to replace Bordeaux Mixture which is now banned from being sold. Copper Mixture blends three vital trace elements for use in crops that are suffering from trace element deficiencies – copper, manganese and zinc. Protecting and supporting a range of plants and crops, Copper Mixture can help correct copper deficiency in beets, onions and top fruit; tackle manganese deficiencies in many crops such as potatoes, beans and peas; and overcome zinc deficiency in fruit grown on sandy soils with high pH and phosphate levels. Simply mix with water for use as a leaf spray Use during periods of active growth Apply early morning or during the evening For best results do not apply in extreme temperature, very bright sunlight or in drought conditions. Apply the mixture immediately by sprayer ensuring all foliage is evenly wetted. In cases of severe deficiency, repeat spray as necessary. Do not apply more than three applications a year.