Influence of Cowpea Lines As Green Manure on Growth and Yield of Carrots in Root-Knot Nematode Infested Soil

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An experiment was conducted at the University of Education, Winneba, Mampong-Ashanti campus to determine the effect of some cowpea lines as green manure on the growth and yield of carrot in root-knot nematode infested soil. Randomized complete block design with five treatments and four replications was used. Thetreatments were cowpea lines IT97K-570-18; IT97K-566-18; and IT00K-1150 as green manure, N.P.K (15, 15,15) and control. The results showed negative correlation between root-knot nematode infestation and growth and yield parameters of carrot. The various cowpea green manure treatments and NPK (15, 15, 15) fertilizer significantly (p

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