A TWO-MACHINE SYSTEM FOR MECHANICAL PREPARATION AND PLANTING OF CASSAVA STEM CUTTINGS

W. O'N. Harvey, C. B. St. John and C. Simon

No 261447, 21st Annual Meeting, September 8-13, 1985, Port of Spain, Trinidad and Tobago from Caribbean Food Crops Society

Abstract: A P.T.O. driven machine capable of rapidly cutting.cassava sterns into uniform planting sticks of any desired length, and a two-row machine capable of planting these sticks on ridges or flat land at desired inter-and intra-row spacings, were designed, fabricated and evaluated. The stern cutting machine prepared planting sticks at about 3 times the rate normally achieved with manual cutting, and produced a higher quality of cut and a higher degree of uniformity of stick length. The two-row planter gave near perfect inter-row spacing and variations in intra-row spacing and planting depth were comparable to those achieved with manual planting. Planting rates of 0.6 ha hr-1 were achieved in a commercial 20 ha trial. ----- Se dise'llaron, fabricaron y evaluaron dos maquinas de transmision P.T.O. una, capaz de cortar rnpidamente tallos de yuca en trozos uniforrnes (iguales) de cualquier tamano deseado; y otra de dos surcos, capaz de sembrar estos trozos en serranias 0 llanos, en espacios deseados entre y dentro de los surcos. La maquina cortadora de tallos preparo" trozos para plantar a una velocidad tres veces mayor que la del corte manual y produ]o cortes de mayor caUdad y mayor grade de uniformidad en el tarnaiio de los trozos. La maguina sembradora de dos surcos produjo espacios entre surcos casi perfectos; y tanto las variaciones en los espacios dentro de los surcos como la profundidad de los sembradfos fueron comparables a las que se obtuvieron sembrando manualmente. Se logrd una tasa de 0.6 hectares por hora en una prueba cornercial de 20 hectdreas.

Keywords: Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies (search for similar items in EconPapers)
Pages: 7
Date: 1985-09-08
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Persistent link: https://EconPapers.repec.org/RePEc:ags:cfcs85:261447

DOI: 10.22004/ag.econ.261447

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