YIELD AND^AGRONOMIC EFFICIENCY OF COWPEA VARIETIES (Vigtia unguiculata L. Walp) UNDER VARYING PHOSPHORUS RATES IN LAFIA, NASARAWA STATE

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dc.contributor.authorHaruna, I. M.
dc.contributor.authorAlhassan, U.
dc.date.accessioned2023-12-11T13:53:30Z
dc.date.available2023-12-11T13:53:30Z
dc.date.issued2011-08-20
dc.descriptionArticleen_US
dc.description.abstractSavanna soils of Nigeria are inherently low in nutrients (particularly nitrogen and phosphorus) thereby resulting in low yield of crops. To this end, field experiments were conducted at the Teaching and Research Farm of College ofAgriculture Lafia in the Southern guinea savanna zone of Nigeria (08°3(fNand 08°3(fE, 18m abovesea level) during the rainy seasons of 2009, 2010 and 2011 to evaluate the yield and agronomic efficiency of cowpea varieties under varying phosphorus application rates. The experiment consisted of four levels of phosphorus in the form of single super phosphate (0, 30 and 60 kg P ha'1) and four varieties (DAN ILA, IAR-48, IT90K-277-1 and IT93K-452-1). The twelve treatment combinations were laid out in a randomized complete block design with three replications. The results obtained showed that number of pods per plant, pod yield per plant, seed yield per plant, number of seeds per pod, 100 seed weight and seed yield per hectare were significantly increased by the application of 30 kg P ha'1 in all the years of the experiment. Variety 1T90K-277-1 consistently produced significantly, the highest values for all yield and yield characters measured. Agronomically, application of 30 kg P ha1 was significantly more efficient than 60 kg P ha1. Application of 30 kg P ha'1 to variety IT90K-277-1 produced significantly, the highest seed yield per hectare and is therefore recommended.en_US
dc.identifier.citationAbd El-Majeed, Y. T., El-Shobaky, S. A. & Dakhly, O. F. (2001). Effect of inoculation with Rhizobium mutants and foliar spray with ortho-phosphoric acid on growth and yield Madukwe, D.K.; Christo, I.E. and Onuh, M.O. of cowpea. 5,h Arab Horticultural Conference, Ismailai, Egypt, pp: 75-85. (2008). Effects of Organic Manure and Cowpea (vigtia unguiculata (1.) walp) Varieties on the Chemical Properties of the soil and Root Nodulation. Duncan, D. B. (1955). Multiple ranges and multiple Science World F-tests. Biometrics, 11:1-42. Journal,. 3(1): 43 46. FAO (Food and Agriculture Organisation) (2005). Muleba, N. & Ezumah, H. C. (1985). Optimizing Cow- pea production data base for Nigeria cul-tural practices for cowpea in Africa. In: 1990-2004. Http://www.faostat.fao.org/ Singh, S.R. and Rachie, K.O., Eds., Cowpea Research, Production, and Utilization, John Wiley and Sons Ltd, Chichester, 289- 295. Singh, A., Baoule,A. L., Ahmed, H. G., Aliyu, U., Sokoto, M. B., Alhassan, ]., Musa, M & Haliru, B. (2011). Influence of Phosphorus on the Performance of Cowpea (Vigna unguiculata L.) Walp.) Varieties in the Sudan Savanna of Nigeria. Agricultural Science 2(3): 313-317. Haruna, I. M. (2011). Dry matter partitioning and grain yield potential in sesame Sesamum indicum L.) as influenced by poultry manure, nitrogen and phosphorus at Samaru, Nigeria. Journal of Agricultural Technology, 7(6): 1571-1577 http://www.ijat-aatsea.com Haruna, I. M., Aliyu, L., Olufajo, O. O. & Odion, E. C. (2011). Growth of Sesame (Sesamum indicum L.) as Influenced by Poultry .. .. . Manure, Nitrogen and Phosphorus in Snedecor, G. W. & Cochran, W. G. ( 7). a is ca Samaru, Nigeria. American-Eurasian Methods (6th ed.) Iowa State University Journal of Agriculture and Environmental Press, USA, p. 456. Sciences, 10(4): 561-568.en_US
dc.identifier.urihttps://keffi.nsuk.edu.ng/handle/20.500.14448/2904
dc.language.isoenen_US
dc.publisherDepartment of Agricultural Economics and Extension,Nasarawa State University, Keffien_US
dc.subjectNumber of pods, seed yield, pod yield, number of seeds pod, agronomic efficiencyen_US
dc.titleYIELD AND^AGRONOMIC EFFICIENCY OF COWPEA VARIETIES (Vigtia unguiculata L. Walp) UNDER VARYING PHOSPHORUS RATES IN LAFIA, NASARAWA STATEen_US
dc.typeArticleen_US

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