Home > Engineering > Agricultural Engineering > Volume-3 > Issue-5 > Growth and Yield Response of Sunflower (Helianthus annuus l) to Spacing and Nitrogen Fertilization in Southern Guinea Savanna Ecological Zone of Nigeria

Growth and Yield Response of Sunflower (Helianthus annuus l) to Spacing and Nitrogen Fertilization in Southern Guinea Savanna Ecological Zone of Nigeria

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Growth and Yield Response of Sunflower (Helianthus annuus l) to Spacing and Nitrogen Fertilization in Southern Guinea Savanna Ecological Zone of Nigeria


Ndor, E | Anzaku, H | Nasir, U. I



Ndor, E | Anzaku, H | Nasir, U. I "Growth and Yield Response of Sunflower (Helianthus annuus l) to Spacing and Nitrogen Fertilization in Southern Guinea Savanna Ecological Zone of Nigeria" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5, August 2019, pp.2548-2551, URL: https://www.ijtsrd.com/papers/ijtsrd27986.pdf

The experiments were conducted during 2016 and2017 rainy season; to determine the optimal rate of nitrogen fertilizer and adequate plant spacing for production of sunflower in southern guinea savanna agroecology zone of Nigeria. The treatments consisted of planting spacing three (20cm, 30cm, 40), four levels of nitrogen fertilizer (0, 80, 100 and 120 N Kgha-1). A factorial experiment laid in a Randomized Complete Block Design (RCBD) and replicated three times. The results showed that planting at 40cm significantly produced plants with higher number of leaves; the tallest plants (57.86 and 58.21cm) and bigger plants with stem girth of 2.93cm and 2.94cm respectively. The shortest plants (51.82 and 52.34cm) and the smallest stem girths (2.03 and 2.08cm) were recorded on sunflower that were planted on 20cm plant spacing in both years of cropping. Application of 120 N kg ha-1 significantly produced sunflower plants with the highest number of leaves (18.76 and 18.83), tallest sunflowers (60.45 and 61.23cm) and biggest stem girth of 3.03 and 3.12cm in both 2016 and 2017 cropping seasons. These results above were at par with the other rates of nitrogen fertilizer application, but higher than the control plots. Sunflower planted at 40cm apart also significantly produced the heaviest head weight per plant of 149.40 and 152.30g; seed weight per head (78.12 and 87. 66 g) and seed yield of 512. 45 and 524.21kg ha-1.Application of 120 N kg ha-1 produced the highest seed yield of 561.59 and 549.42 kg ha-1 of sunflower in both cropping seasons. This result is statistically at par with application rate of 100 N kg ha-1; which produced 557.41 and 547.06 kg ha-1 seed yield of sunflower. This is also the same with application of rate of 80N kg ha-1 which produced 528.87 and 525. 10kg ha-1 seed yield of sunflower in both cropping seasons respectively. The control plots produced the lowest seed yield (312.89 and 322.23 kg ha-1) in both years of cropping. It can be concluded that 80 N kg ha-1 is the optimal nitrogen requirement and planting at 75cm X 40cm apart is adequate plant spacing for production of sunflower in southern guinea savanna agroecology zone of Nigeria.

Fertilizer, Growth, Nitrogen, Spacing, Sunflower, Yield


IJTSRD27986
Volume-3 | Issue-5, August 2019
2548-2551
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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