Weed Control Problems in the Sudan

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Abstract
Recent intensification of cropping, rapid conversion of vast areas into intensive agricultural production and the resultant shortage of labour in the Sudan has led to serious weed problems. High crop losses generally occur. Crops are ploughed in after emergence and some areas suitable for cultivation are abandoned because of severe weed competition. Water hyacinth in the Nile and other aquatic weeds have serious economic and social implications. Manual methods of weed control by the tenant farmer are unsatisfactory and hired labour to support his efforts is scarce and expensive. Future improvements in weed control practices are briefly discussed.