A field experiment was conducted in Obubra region in the forest belt of South Eastern Nigeria during the 2016 and 2017 cropping seasons. The experiment was a factorial, laid out in randomized complete block design with three replicates. Treatments consisted of three levels of Moringa leaves biomass (0, 5, and 10 t/ha) and four levels of Moringa leaves extract (0, 1.0, 2.0 and 3.0) litres/10 litres of water). Results revealed that Moringa manure at the rate of 10 t/ha produced the longest vines, highest number of leaves per plant, highest number of tubers/plant and tuber yield, while the application of Moringa leaves extract at the rate of 2.0 litres significantly produced higher nu
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