DEVELOPMENT AND PERFORMANCE EVALUATION OF AN IMPROVED SOYBEAN THRESHER

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dc.contributor.authorNOMAU, AMADU
dc.date.accessioned2014-02-13T12:21:15Z
dc.date.available2014-02-13T12:21:15Z
dc.date.issued2012-02
dc.descriptionA THESIS SUBMITTED TO THE POSTGRADUATE SCHOOL, AHMADU BELLO UNIVERSITY, ZARIA NIGERIA IN PARTIAL FULFILMENT OF THE REQUIREMENT FOR THE AWARD OF MASTER IN SCIENCE DEGREE IN AGRICULTURAL ENGINEERING DEPARTMENT OF AGRICULTURAL ENGINEERING. AHMADU BELLO UNIVERSITY, ZARIA NIGERIA. FEBRUARY,2012en_US
dc.description.abstractDue to the bulky nature of the soybean and since it has to be harvested with the stems, the conventional threshers for maize and guinea corn cannot be used for the crop without modifications. An improved soybean thresher has been developed and its performance evaluation has also been carried out. From the results, threshing efficiency, cleaning efficiency, mechanical grain damage, scatter loss and throughput capacity of 99%, 95%, 1.01%, 2.7% and 25.5kg/hr were obtained respectively. Also from the ANOVA statistical analysis carried out, it shows that all the in-dependable variables i.e. feed rate, moisture content and speed have a significant effects on the dependable variables i.e. Threshing efficiency, cleaning efficiency, scatter loss, mechanical grain damage and throughput capacity. A comparison between the performance of the improved soybean thresher and the old IAR soybean thresher was carried out and it reveals that the difference between the cleaning efficiency of the new thresher and that of the old thresher is significant at 1% probability level. It also shows that the difference in the threshing efficiency of the new thresher with the old one is significant at 5% probability level. This means that there is an improvement in the performance of the old I.A.R soybean thresher by the improved one.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1443
dc.language.isoenen_US
dc.subjectDEVELOPMENTen_US
dc.subjectPERFORMANCE EVALUATIONen_US
dc.subjectIMPROVED SOYBEANen_US
dc.subjectTHRESHER.en_US
dc.titleDEVELOPMENT AND PERFORMANCE EVALUATION OF AN IMPROVED SOYBEAN THRESHERen_US
dc.typeThesisen_US
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