International Journal of Plant Science and Ecology
Articles Information
International Journal of Plant Science and Ecology, Vol.1, No.4, Aug. 2015, Pub. Date: Jun. 2, 2015
Effects of Nitrogen (N) Fertilizer and Plant Spacing on the Growth and Rhizome Yield of Turmeric (Curcuma Longa L.) in Ibadan South-West Nigeria
Pages: 149-154 Views: 3622 Downloads: 1668
Authors
[01] Modupeola T. O., National Horticultural Research Institute, Ibadan, Oyo State, Nigeria.
[02] Olaniyi J. O., Department of Agronomy, Faculty of Agricultural Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
Abstract
Field study were conducted in 2013 at the National Horticultural Research Institute, Ibadan to determine effects of Nitrogen (N) fertilizer and plant spacing on the growth and rhizome yield of Turmeric (Curcuma longa L.) in south-west Nigeria. The treatments consist of five nitrogen fertilizer rates: 0, 60, 90, 120 and 150kgNha-1 applied in the form of urea and three plant spacings: 25×20cm, 25×25cm and 25×30cm, with turmeric as the test crop. The 3x5 factorial was laid out in a Randomized Complete Block Design (RCBD), replicated thrice. The data collected were plant height (cm), number of leaves, stem girth (cm), weight of rhizome (g) and length of rhizome (cm). The results showed significant (P ≤ 0.05) influenced of N fertilizer and plant spacing on turmeric growth and rhizome yield. Application of 120kgNha-1 with 25x25cm plant spacing produced the best rhizome yield of 70t ha-1 while the least yield of 28 t ha-1 was obtained from 0kgNha-1 with 25x30cm spacing (widest spacing). During the cropping period, turmeric produced total yield of 70t ha-1. It was concluded that application of N fertilizer applied at 120kghaˉ¹ with plant spacing at 25x25cm will enhance the growth and yield of turmeric.
Keywords
Nitrogen Fertilizer, Plant Spacing, Turmeric, Yield
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