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herbicides based on ether 2 4 diclo rofenil 4 nitrofenilico and 2 clo ro 4 6a etilamino's triazina or 2 chlorine 4 dietilammino 6 and lammino's triazina their preparation and uses
herbicides based on ether 2 4 diclo rofenil 4 nitrofenilico and 2 clo ro 4 6a etilamino's triazina or 2 chlorine 4 dietilammino 6 and lammino's triazina their preparation and uses
