SHOWING ITEMS RELATED TO THE EFFECT OF PESTICIDES DICHLORODIPHENYL TRICHLOROEYHANE (D.D.Y) TAG |
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1. THE EFFECT OF PESTICIDES DICHLORODIPHENYL TRICHLOROEYHANE (D.D.Y) AND BENZENE HEXACHRORIDE (BHC) ON THE MICROFLORA OF THE THREE TYPES OF SOIL, |
2. THE EFFECT OF PESTICIDES DICHLORODIPHENYL TRICHLOROEYHANE (D.D.Y) AND BENZENE HEXACHLORIDE (BHC) ON THE MICROFLORA OF THE THREE TYPES OF SOIL |