YIELD RESPONSE OF BAMBARA GROUNDNUT (Voandzeia subterrenea (L) Thours.) VARIETIES TO ORGANOMINERAL FERTILIZER IN THE COASTAL FOREST OF SOUTHEASTERN NIGERIA

Volume 1, Issue 1, October 2016     |     PP. 91-106      |     PDF (240 K)    |     Pub. Date: October 22, 2016
DOI:    22415 Downloads     19232 Views  

Author(s)

Shiyam, JO, Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management University of Calabar, PMB 1115, Calabar, Nigeria
Nkor, NN, Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management University of Calabar, PMB 1115, Calabar, Nigeria
Binang, WB, Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management University of Calabar, PMB 1115, Calabar, Nigeria
Effa, EB, Department of Crop Science, Faculty of Agriculture, Forestry and Wildlife Resources Management University of Calabar, PMB 1115, Calabar, Nigeria

Abstract
A factorial field experiment was conducted in 2014 at the Teaching and Research Farm of the Department of Crop Science, University of Calabar located in the coastal rainforest zone of southeastern Nigeria on coordinates 050 32’ and 040 27’N ; 070 15’ and 090 28’E with an altitude of 37 m above sea level. The experimental factors were the different rates (0, 2.5, 5.0, 7.5 and 10.0 tonnes/ha) of John Ker Organomineral Fertilizer® (OMF) and three varieties of bambara groundnut (Voandzeia subterrenea (L) Thours) (Black, Cream and Tan) combined in a 3 x 5 factorial combined in a randomized complete block design (RCBD) in a factorial arrangement to give fifteen treatment combinations each replicated three times. Result obtained showed that OMF significantly (p ≤ 0.05) improved dry seed yield and yield components (number of pods/plant, number of seeds/plant, 100-seed weight) of bambara groundnut. The bambara groundnut varieties exhibited differential yield potential. The highest dry seed yield was obtained at 2.5 t OMF/ha in the Cream variety (1.95 t/ha) followed by the Black variety (1.75 t/ha) and lowest in the Tan variety (1.1 t/ha). The Cream variety out-yielded the Tan and Black varieties by 0.5 t/ha (25.64 %) and 0.2 t/ha (10.26 %) respectively, indicating its high adaptability and suitability in the forest agroecology.

Keywords
Adaptation, organomineral fertilizer, bambara groundnut variety, yield components, moist forest

Cite this paper
Shiyam, JO, Nkor, NN, Binang, WB, Effa, EB, YIELD RESPONSE OF BAMBARA GROUNDNUT (Voandzeia subterrenea (L) Thours.) VARIETIES TO ORGANOMINERAL FERTILIZER IN THE COASTAL FOREST OF SOUTHEASTERN NIGERIA , SCIREA Journal of Agriculture. Volume 1, Issue 1, October 2016 | PP. 91-106.

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