Energy Requirement for Manual Cassava Harvesting on Coarse Textured Soils in Ibadan, Nigeria
Publish Year: 1397
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JASTMO-21-2_016
تاریخ نمایه سازی: 23 آبان 1402
Abstract:
Most cassava farmers in Africa rely solely on manual means of harvesting root and tuber crops due to low level of mechanization. Evaluating the energy required in harvesting cassava and soil properties could guide farmers’ decision on stress-free harvesting options and practices. Experiments were conducted at the University of Ibadan (UI) and the International Institute of Tropical Agriculture (IITA) to establish the relationship between energy required in harvesting cassava and soil physical properties. The experiments were laid out in a randomized complete block design with four replications. Salter suspended scale model ۲۳۵ was used to take energy measurements, while data collected were subjected to analysis of variance at α = ۰.۰۵. Mean yields from the two locations showed that variety TMS ۹۷/۰۱۶۲ had the highest tuber mass (۵۰,۴۵۰ kg ha-۱) followed by varieties TMS ۳۰۵۷۲, TMS ۹۸/۰۵۰۵ and TMS ۹۸/۰۵۱۰ (۳۲,۲۰۰–۲۶,۵۰۰ kg ha-۱) and least by TMS ۹۹/۲۱۲۳ (۸,۰۰۰ kg ha-۱). There was a positive relationship between cassava yield and work done (R۲= ۰.۲۱) at both locations, suggesting that yield affects the energy requirement in cassava harvesting. Soil moisture content showed a negative relationship with work done (R۲= ۰.۵۲ and ۰.۲۴ at UI and IITA, respectively), indicating that increase in soil water reduces the force of harvesting. Also, soil bulk density had a negative relationship with work done (R۲= ۰.۱۹ and ۰.۰۶ at UI and IITA, respectively). Energy required for harvesting cassava planted on coarse-textured soils could be reduced under high soil moisture content and bulk density conditions.
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Authors
E. A. Aiyelari
Department of Agronomy, University of Ibadan, Ibadan, Nigeria
S. O. Oshunsanya
Department of Agronomy, University of Ibadan, Ibadan, Nigeria
O. Aliku
Department of Agronomy, University of Ibadan, Ibadan, Nigeria
T. N. Akomolafe
Department of Agronomy, University of Ibadan, Ibadan, Nigeria
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