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Abstract
The effect of digestate admixed top soil on the dry matter production of Tiger-nut (Cyperus esculentus L) was evaluated between December 2023 - April 2024 at the Department of Crop Science screen house, Faculty of Agriculture, University of Benin, Benin City, Edo state, Nigeria. The Experiment involved four application rates (0,5,10 and 15 kg N ha -1) of digestate per 10 kg top soil laid out in a completely randomized design (CRD) with three replications. Data were collected at 10 - 14 weeks after planting (WAP) on shoot dry weight and nut dry weight; and at harvest on number of nuts per plant, nut size, weight and yield from the results, the application of digestate brought about increase in dry matter in terms of enhanced dry shoot and nut weight. Nut yield parameters were also improved through digestate application. The heaviest nut size (8.89g), highest nut weight (34.8g) and yield (0.69g) were recorded in top soil media treated with digestate at 10 kg N ha -1 which was not significantly (p>0.05)
higher than those of plants produced from 5 kg N ha -1 digestate. Top soil media treated with digestate at 5 kg N ha -1
is thereby suggested for tiger nut farmers.
higher than those of plants produced from 5 kg N ha -1 digestate. Top soil media treated with digestate at 5 kg N ha -1
is thereby suggested for tiger nut farmers.
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