Détail de la notice
Titre du Document
The response of cassava to potassium fertilizer treatments
The increased production of cassava for poverty alleviation had been advocated for by the Government of Federal Republic of Nigeria. Though the use of fertilizer had been identified as a major input to achieve this, the rising prohibitive fertilizer cost had necessitated investigating into the economic use of fertilizer for optimum cassava production for profit maximization. The response of cassava to varying rates of potassium was therefore investigated in a research conducted in Owo (Latitude 7°11'N, Longitude 5°30'E) in 2006 and 2007. Cassava TMS 30572 variety that matured within ten months was planted in April 2006 and the experiment revalidated in April 2007. The cuttings were planted at a spacing of 50 cm on ridges 90 cm apart. The experimental design was a randomized block replicated three times and the fertilizer treatments were K2O 150, 120, 90 and 60 kg/ha potassium chloride and control plot without fertilizer application (0 kg/ha). Cassava was harvested at ten months and the yield parameters were taken. Significantly higher yields of 22.9 and 20.8 t/ha were obtained in plots treated with 150 and 120 kg/ha potassium compared with other plots treated with 90, 60 and 0 kg/ha potassium with corresponding yield values of 18.0, 17.6 and 12 t/ha respectively. The increasing rate of potassium fertilizer was positively correlated to cassava yield (r = 0.99) with a linear regression equation of y = 12.3459 + 0.0704x. The net revenues in the plots as treated with K
WFL publisher
ISSN : 1459-0255
International journal of food, agriculture and environment (Print) A. 2009, vol. 7, n° 2, pp. 279-282 [4 pages] [bibl. : 7 ref.]
Pour les membres de la communauté du CNRS, ce document est autorisé à la reproduction à titre gratuit.
Pour les membres des communautés hors CNRS, la reproduction de ce document à titre onéreux sera fournie sous réserve d’autorisation du Centre Français d’exploitation du droit de Copie.

Pour bénéficier de nos services (strictement destinés aux membres de la communauté CNRS (Centre National de la Recherche Scientifique), de l'ESR français (Enseignement Supérieur et Recherche), et du secteur public français & étranger) :