Njiayouom Et Al


Njiayouom et al

Greener Journal of Agricultural Sciences Vol. 5 (1), pp. 014-022, February 2015.

 ISSN: 2276-7770 

Research Paper

Manuscript Number: 081214324

DOI: http://doi.org/10.15580/GJAS.2015.1.081214324

Adaptability and Response of NERICA
Upland Rice Varieties to Fertilizer Application in the Mono Modal Rainfall
Forest Zone of Cameroon


1Njiayouom Ibrahim, *2Ngome
Ajebesone Francis,

3Suh Christopher, 4Misse


Institute of Agricultural Research for
Development (IRAD) Cameroon.


1Email: njiayou @yahoo. fr, 3Email: suhchristopher
@yahoo. com, 4Email: christianmisse @yahoo. fr


*Corresponding Author’s Email: ngomajebe @ yahoo.com; Phone number:



A study was conducted in Barombi-kang, in
the forest agro-ecological zone with mono modal rainfall pattern in Cameroon to
evaluate the adaptability of selected NERICA upland rice varieties and their
response to fertilizer application. A factorial split plot experimental design
in a randomized complete block with three replications was used. The first
factor included: T0 (unfertilized control), T1 (200 kg NPK / ha + urea 100
kg/ha) and the second factor included 7 varieties of rice namely NERICA 1,
NERICA 2, NERICA 3, NERICA 4, NERICA 8, NERICA 10 and Fofifa. Varieties tested
were well adapted to the mono modal rain forest agro-ecological zone. Thus,
average cycle duration was 100 days and grain yield ranged between 1.4 and 2.3
t/ha without fertilizer use. Yield and yield components were significantly
(p<0.05) enhanced by fertilizer application particularly grain yield (146%),
grain per panicle (59%), straw yield (50%). Highly significant correlations (p<0.05;
r = 0.60 to 0.90) were observed between grain yield and most of the yield
components. Further studies are warranted to address the yield gap existing
between farmers’ practice and on-station research before disseminating these
varieties to farmers.


Keywords: agro-ecological zone,
Barombi-kang, fertilizer, Oryza sativa,



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Cite this Article: Njiayouom I, Ngome AF, Suh C, Misse A,
2015. Adaptability and Response of NERICA Upland Rice Varieties to Fertilizer
Application in the Mono Modal Rainfall Forest Zone of Cameroon. Greener Journal
of Agricultural Sciences, 5(1):014-022, http://doi.org/10.15580/GJAS.2015.1.081214324.

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