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Long-term effects of various systems of weed control on the weed flora under mature Arabica coffee in Northern Tanzania-an interim report



Long-term effects of various systems of weed control on the weed flora under mature Arabica coffee in Northern Tanzania-an interim report



Proc 9th Br. Weed Control Conf, 797-803. Bibl 6



Two examples of each of three systems of herbicide usage and a cultivation system were compared in a long-term trial beginning with the 1967 long rains. Diuron and atraton were applied to freshly-cultivated soil and paraquat and aminotriazole were applied to growing weeds; also, mixtures of diuron + paraquat and atraton + aminotriazole were applied to growing weeds. Each chemical or mixture was at two doses. All systems were repeated at two frequencies determined by the growth of the weeds.

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