EFFECT OF INORGANIC FERTILIZER APPLICATION ON GROWTH AND YIELD OF THEVETIA PERUVIANA (PERS) SCHUM. (YELLOW OLEANDER) IN THE SOUTHERN GUINEA SAVANNAH OF NIGERIA

Aboyeji, C.M and Babalola, F.D (2013) EFFECT OF INORGANIC FERTILIZER APPLICATION ON GROWTH AND YIELD OF THEVETIA PERUVIANA (PERS) SCHUM. (YELLOW OLEANDER) IN THE SOUTHERN GUINEA SAVANNAH OF NIGERIA. Agrosearch, 13 (2). pp. 32-41.

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Abstract

Growth and yield parameters of Thevetia peruviana (Pers) Schum. were evaluated under in-organic fertilizer in 2009, 2010 and 2011 rainy seasons at the Research farms of the Biofuel and Alternate Renewable Energy Ltd, Edidi, Kwara State in the southern Guinea savannah of Nigeria. The objective of the study was to determine the influence of different rates of N and P fertilizers on the vegetative growth and yield of T. peruviana. The experiment was laid out in a RCBD in a factorial arrangement with three replications. The factors includes: 3 levels of N (0, 30 and 60 kg ha-1) and 3 levels of P (0, 30 and 60kg ha-1) which were combined factorially. The results indicated that application of 0 kg N ha-1 and 30 kg P2O5 ha-1 resulted in increased plant height, number of primary branches, stem girth, number and weight of harvested seeds. It was also observed that application of 60 N kg ha-1 and 0 kg P2O5 kg ha-1 delayed number of days to both first and 50% flowering. Based on the result of this study it is recommended to apply only 30 kg P2O5 ha-1 because the native nitrogen in the soil was enough for both the growth and yield performance of T. peruviana in the study area.

Item Type: Article
Uncontrolled Keywords: Thevetia periviana, Growth, Yield, Nitrogen and Phosphorus fertilizers
Subjects: S Agriculture > S Agriculture (General)
Depositing User: Dr Christopher Aboyeji
Date Deposited: 13 Jul 2017 13:07
Last Modified: 13 Jul 2017 13:07
URI: http://eprints.lmu.edu.ng/id/eprint/859

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