SummaryPlants with the disease may have been damaged from Cologne which happens from time to time as well to appreciate this damage will affect the life and well-being of the human person in the lowest economic and social development. Plant disease caused many causes, so the guidelines in order to solve the problem of disease plants and is currently being used in spraying chemicals to control disease, certain types of plants, the high production costs. There are also chemical residues in agricultural produce, thus causing to make extracts herbs that contain active ingredients to control infections that cause diseases in crops so that farmers should use herbs to control plant diseases in order to reduce production costs and to reduce the use of chemicals.
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