A REVIEW OF PHYSICAL AND MECHANICAL PROPERTIES OF CASSAVA RELATED TO HARVESTING MACHINES
DOI:
https://doi.org/10.20319/mijst.2020.62.102118Keywords:
Cassava, Engineering Properties, Harvesting, Mechanical Harvester, TuberAbstract
For many years now, harvesting of cassava is difficult because there has not been a well-designed machine to harvest, separate, and convey the crop in a one-time operation. In all the unit operations in cassava production, several machines and types of equipment have been mechanized successfully. However, cassava harvesting and peeling have remained a global challenge to engineers involved in machine design. In light of this, some pieces of literature on the physicomechanical properties of cassava were qualitatively reviewed. The study presents harvesting methods for cassava around the globe, considering its merits and limitations for future development. We found out that cutting shear stress and force increased with increasing cassava tuber age because of an increase in density and starch content. Additionally, the ratio of the peel of cassava tuber ranges from 0.106 to 0.215. The frictional properties of cassava are essential to design and develop machines for post-harvest operations of cassava roots. Whereas, the angle of repose for the unpeeled cassava is required for the design of the hopper and that of the peeled is required for the design of the chute. The manual, semi-manual and fully mechanized harvesting methods require the capacity of about 22-51 man h/ha, 16-45 man h/ha, and 1-4 man h/ha respectively. The fully mechanized method is very efficient, and the field is plowed alongside harvesting which saves time, fuel, and cost of operation. Even though less research is carried out on cassava harvesting mechanization compared to other crops, the current development is a harvesting machine hitched to a tractor with a conveyor unit powered by the PTO system. The knowledge of this review would be a blueprint for engineers in designing cassava mechanical harvesters.
References
Adetan, D. A., Adekoya, L. O., & Aluko, O. B. (2003). Characterisation of some properties of cassava root tubers. Journal of Food Engineering, 59(4), 349–353. https://doi.org/10.1016/S0260-8774(02)00493-4
Agbetoye, L. A. S., Ademosun, O. C., Ogunlowo, A. S., Olukunle, O. J., Fapetu, O. P., & Adesina, A. (2003). Engineering challenges in developing indigenous machinery for cassava production and processing. Proc. Ann. Conf.of the Nigerian Soc. Eng. (Lagelu 2003), 80–86.
Akcali, I. D., Ince, A., & Guzel, E. (2006). Selected physical properties of peanuts. International Journal of Food Properties, 9(1), 25–37. https://doi.org/10.1080/10942910500471636
Amponsah, S. K., Addo, A., & Gangadharan, B. (2018). Review of Various Harvesting Options for Cassava. Cassava. https://doi.org/10.5772/intechopen.71350
Bobobee, E., Okyere, J., Twum, A., Congress, R. N.-… . (CIGR. X. W., & 1994, undefined. (1994). Performance evaluation of a mechanical cassava harvester.
Chalachai, S., Soni, P., Chamsing, A., & Salokhe, V. M. (2013). A critical review of mechanization in cassava harvesting in Thailand. International Agricultural Engineering Journal, 22(4), 81–93.
FAOSTAT. (2018). Food and Agriculture Organization of the United Nations. http://www.fao.org/faostat/en/#data/QC (Accessed on 10/04/2020)
Hillocks, R. J. (2009). Cassava in Africa. Cassava: Biology, Production and Utilization, 41–54. https://doi.org/10.1079/9780851995243.0041
Howeler, R., Lutaladio, N., & Thomas, G. (2013). Save and grow: cassava. A guide to sustainable production intensificationProduire plus avec moins Ahorrar para crecer. http://www.sidalc.net/cgibin/wxis.exe/?IsisScript=orton.xis&method=post&formato=2&cantidad=1&expresion=mfn=100365
Kolawole, O. P., Agbetoye, L. A. S., & Ogunlowo, A. S. (2007). Strength and elastic properties of cassava tuber. International Journal of Food Engineering, 3(5). https://doi.org/10.2202/1556-3758.1225
Kolawole, O. P., Ayodeji, L., Agbetoye, S., & Ogunlowo, A. S. (2011). Evaluation of cassava mash dewatering methods. 3(February), 23–30. https://doi.org/10.2202/1556-3758.1088
Lomchangkum, C., Junsiri, C., Sudajan, S., & Laloon, K. (2020). A study on the mechanical characteristics of cassava tuber cutter. International Journal of Agricultural Technology, 16(1), 63–76.
Mohsenin, N. N. (1986). Physical properties of plant and animal materials.
Mongkol, T., Newspaper, A. C.-K., & 2007, undefined. (2007). Cassava Digger.
Ospina, B., Cadavid, L. F., García, M., & Alcalde, C. (2002). Mechanization of cassava production in Colombia. Cassava Research and Development in Asia, 277–287.
Oupathum, C., Charee, S., Sudajan, S., & Thivavarnvongs, T. (2019). Effects of Moisture Content and Knife Bevel Angle on Shearing Properties of Cassava Stems. IOP Conference Series: Earth and Environmental Science, 301(1). https://doi.org/10.1088/1755-1315/301/1/012010
Shadrack, K. A., Joseph, N. B., Joseph, M.-A., Eric, O. D., Jonas, O. A., Adelaide, A., & Enoch, B. (2017). Performance of an improved manual cassava harvesting tool as influenced by planting position and cassava variety. African Journal of Agricultural Research, 12(5), 309–319. https://doi.org/10.5897/AJAR2016.11874
Simonyan, K. (2015). Some engineering properties of Cassava tuber related to its peeling mechanization. Umudike Journal of Engineering and Technology(UJET), 1(1), 12–24. https://www.researchgate.net/publication/310605833
Thangdee, D. (2012). Development of Cassava Digger and Conveyor Units. American Journal of Experimental Agriculture, 2(3), 458–469. https://doi.org/10.9734/AJEA/2012/1395
USDA, N. (2003). Plant guide–cassava: Manihot esculenta Crantz. Baton Rouge, Louisiana and Pacific Islands, Mongmong, Guam.
Wickens, G. E., & Onwueme, I. C. (1979). The Tropical Tuber Crops: Yams, Cassava, Sweet Potato and Cocoyams. Kew Bulletin, 34(2), 418. https://doi.org/10.2307/4110008
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