Info

aSquare root—transformed data. DAP: Days after planting WAP: Weeks after planting

Means within the same column followed by similar letters in columns are not significantly different at the 5 percent level by Duncan's multiple range test. Source: Melifonwu and Orkwor (1994)

aSquare root—transformed data. DAP: Days after planting WAP: Weeks after planting

Means within the same column followed by similar letters in columns are not significantly different at the 5 percent level by Duncan's multiple range test. Source: Melifonwu and Orkwor (1994)

esculentus are the main sedges. Ageratum conyzoides L. and Colosia trigyna L. are also prevalent.

Manual weed removal using the West African hand hoe has the merit of being more thorough and truly selective on weeds than the chemical weed control measures. Pul-vering the soil during hoe weeding (dry mulching) has an added advantage of creating a more conducive rhizosphere for roots to thrive in. This is achieved in manual weeding.

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