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Article No.: 081214324 DOI: 10.15580/GJAS.2015.1.081214324 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 agroecological 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. Submitted: 12/08/2014 Accepted: 20/09/2014 Published: 05/02/2015

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