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Orji, Janet Oliver
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Environmental Science

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Land use efficiency of castor (Ricinus communis L.) based cropping systems in Okigwe, Southeastern Nigeria Ikeh, Angus Onwudiwe; Amulu, Leonardo Uzoma; Orji, Janet Oliver; Olufelo, Olushola Joseph; Umelo, Queen Chidinma
Applied Research in Science and Technology Vol. 3 No. 2 (2023): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v3i2.40

Abstract

Field study was carried out at Umuowa Ibu1 via National Horticultural Research Mbato Okigwe Imo state, Nigeria, to evaluate the effect of cropping systems on growth and yield of castor southeastern Nigeria. The experiment was laid in a randomized complete block design. The treatments were nine castor based cropping systems. Data collected were subjected to analysis of variance. Significant means were compared with LSD at 5% probability level. Result showed that castor seed yield was influenced by cropping systems. Significant castor yield was recorded in the treatment of sole castor with 1289.34 and 1286.77 kg/ha in both cropping seasons, followed by 1288.43 and 1280.44 kg/ha recorded in castor + cowpea intercrop. The yield obtain from sole castor was not significant difference when compared to yield obtained from castor + cowpea and also in the treatment of castor + groundnut intercrop. The least castor seed yield; 1002.23 and 1007.23 kg/ha was recorded in castor + groundnut + garden egg intercrop. The yield of component crops decreases as number of crops in the systems progressed from two to three. Castor + cowpea + pepper cropping system had the highest land equivalent ratio (LER); 5.62 and 5.63 in both cropping seasons. The least LER: 2.23 and 2.24 was recorded in castor + groundnut treatment. Castor based cropping system with cowpea and pepper was recommended for higher land use efficiency.
Response of Fluted Pumpkin (Telfairia occidentalis Hook. F) to Wood Ash Rates in An Ultisol, Southeastern Nigeria Orji, Janet Oliver; Ikeh, Angus Onwudiwe; Amanze, Alice Nnenna
Applied Research in Science and Technology Vol. 6 No. 1 (2026): Applied Research in Science and Technology
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33292/areste.v6i1.139

Abstract

Background: Fluted pumpkin is a major leafy vegetable widely cultivated and consumed in Nigeria and other rainforest ecological zones of West and Central Africa. The cultivation of this crop faces challenges due to the low soil fertility of the ultisols found in southeastern Nigeria, making it difficult for farmers in the region to achieve bumper harvests of both foliage and pods.Aims: The experiment aimed to evaluate the response of fluted pumpkin (Telfaria occidentalis Hook. F) to varying rates of wood ash application in ultisol soils. This study seeks to determine the optimal wood ash level that improves soil fertility and enhances the growth and yield of fluted pumpkin, thereby providing sustainable agricultural practices for farmers in southeastern Nigeria.Methods: The field experiment was conducted to evaluate the effect of wood ash application on growth and yield of fluted pumpkin (Telfaria occidentalis Hook. F). The experimental treatments were four wood (dried oil palm rachis) ash rates; 0, 2, 4 and 6 t/ha. The treatment was laid in a randomized complete block design, replicated four times.Results: The results showed that the application of wood ash enhanced growth and yield of fluted pumpkin. The treatment of 6t/ha wood ash produced 19.71 t/ha foliar yield. The treatment of 4t/ha produced 18.63 t/ha foliar yield. The least foliar yield, 8.81 t/ha was recorded in the control treatment. Comparing the number of pods per plant, the treatment of 6t/ha wood ash produced significant number of pods per plant; 3.60, followed by 3.43 fluted pumpkin pods per plant recorded in the treatment of 4t/ha wood ash. The least number of pods per plant; 1.12 was recorded in the control treatment. The treatment that received 6t/ha oil palm rachis ash (OPRA) produced 26.81 t/ha pod, followed by 25.01 t/ha recorded in 4t/ha wood ash rate. The least pod yield; 7.44 t/ha was recorded in the control treatment. The study revealed that application of wood ash to fluted pumpkin could assist farmers in achieving bumper harvest in the study area. Farmer in the study area should adopt the application of 4t/ha of wood ash to fluted pumpkin.
Co-Authors Amanze, Alice Nnenna Amulu, Leonardo Uzoma Ikeh, Angus Onwudiwe Olufelo, Olushola Joseph Umelo, Queen Chidinma