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International Journal of Soil Science
  Year: 2020 | Volume: 15 | Issue: 1 | Page No.: 16-21
DOI: 10.3923/ijss.2020.16.21
 
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Effects of Dolomite on Some Growth Parameters of Poly Bag Coconut (Cocos nucifera L.) Seedlings in an Ultisol

P.E. Osayande , P.O. Oviasogie, B.E. Awanlemhen and D.O. Oseghe

Abstract:
Background and Objective: Dolomite is a naturally occurring rock mineral that contains calcium and magnesium as its chief mineral/nutrients. Dolomite as a source of plant nutrients for raising poly bag coconut seedlings was evaluated at the Nigerian Institute for Oil Palm Research (NIFOR). Materials and Methods: The study, conducted in 2 tasks was laid out in a Completely Randomized Design (CRD) and consisted of four levels of dolomite namely; 0, 100, 200 and 300 g in 5 replications. Task 1 had a 45 g basal application of NPK 15:15:15, while task 2 had a 65 g basal application of urea (N = 45%). Data were collected on plant height, stem girth, leaf area and number of leaves at 4 MAP, 8 MAP and 12 MAP (Months after planting). Results: Results showed that application of 100 g dolomite with a basal NPK 15:15:15 increased plant height over control throughout the sampling period, while application of 200 g dolomite with a basal NPK 15:15:15 only increased plant height over control at 12 MAP. Increased application rate of dolomite at 300 g with a basal NPK 15:15:15 depressed plant height throughout the sampling period. Application of 200 g dolomite with a basal urea only slightly increased plant height over control at 8 MAP. Conclusion: This study has shown that dolomite can be used to complement inorganic fertilizers, specifically NPK 15:15:15 for raising coconut seedlings in a naturally leached sandy soil.
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How to cite this article:

P.E. Osayande, P.O. Oviasogie, B.E. Awanlemhen and D.O. Oseghe, 2020. Effects of Dolomite on Some Growth Parameters of Poly Bag Coconut (Cocos nucifera L.) Seedlings in an Ultisol. International Journal of Soil Science, 15: 16-21.

DOI: 10.3923/ijss.2020.16.21

URL: https://scialert.net/abstract/?doi=ijss.2020.16.21

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