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Performance and Dry Matter Accumulation of Groundnut in an Ultisol Amended with Phosphorus and Lime |
Aniefiok Effiong Uko  ,
Emmanuel Bassey Effa,
Isong Abraham Isong and Jessica Eno Effiong |
Abstract:
Background and Objective: Adequate yield improvement in groundnut may not be achieved in acid sand Ultisol through the application of mineral phosphorus alone, however, a combined application of lime and phosphorus fertilizer may be a better management option in such soils. Hence, this study evaluated the effects of four levels of lime (0, 2.0, 4.0 and 8.0 t ha–1) and four phosphorus (P) levels (0, 25, 50 and 75 kg ha–1) on the performance of groundnut (Arachis hypogaea L.) in the humid rainforest of South Eastern Nigeria. Materials and Methods: The study was a factorial experiment laid out in a Randomized Complete Block Design (RCBD) and consisted of sixteen treatment combinations replicated three times each. Results: The result obtained showed that the application of phosphorus fertilizer and lime had a significant (p<0.05) effect on plant height, number of leaves per plant, number of branches per plant, 75 kg ha–1 P and 8.0 t ha–1 lime resulted in the highest growth parameter. Similarly, 75 kg ha–1 P and 8.0 t ha–1 lime significantly improved the number of pods per plant 30.67, pod yield 3.58 t ha–1, biomass yield of 4.68 t ha–1, seed yield of 2.1 t ha–1 and 100 seed weight of 44.58 g, seed yield of groundnut while curtailing the number of unfilled pods 2.33. Conclusion: Application of phosphorus and lime at 75 kg ha–1 P and 8.0 t ha–1 lime is a beneficial agronomic practice that could enhance the productivity of groundnut in the Calabar rainforest zone of Cross River State.
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How to cite this article:
Aniefiok Effiong Uko, Emmanuel Bassey Effa, Isong Abraham Isong and Jessica Eno Effiong, 2021. Performance and Dry Matter Accumulation of Groundnut in an Ultisol Amended with Phosphorus and Lime. Pakistan Journal of Biological Sciences, 24: 847-857.
DOI: 10.3923/pjbs.2021.847.857
URL: https://scialert.net/abstract/?doi=pjbs.2021.847.857
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