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1. Determinación de los principales parámetros de calidad que afectan la cosecha mecanizada de arroz.

Author

Caballero, Alexander Miranda, Coronel, Ciro E. Iglesias, González, Erwin Herrera, Ferro, Nathali Abraham, and Hernández, Santiago Castells

Subjects
*RICE, *HARVESTING, *HARVESTING machinery, *RICE quality, *AGRICULTURE, *RESEARCH, *MACHINERY
Abstract

The aim of this paper is to analyze the quality of the mechanical harvest of rice seeds, carried out by the New Holland L521 rice harvester machines, at the Rice Farm "Los Palacios". Their technological parameters were evaluated depending on the quality of the harvested product, taking into account some aspects such as: the entire, peeled and/or broken grain, the impurity content and total losses. This resulted in values of 5,2-6,4% for peeled and/or broken grain in the five agricultural yields. On the other hand, the impurity content was among 8,3-9,6%, so that both parameters exceed the established limits. This is mainly caused by: the bad regulation of thresh, the work speed and the poor training of operators. These results allow decreasing losses. During the harvest losses decreased from 206kg/ha to 85kg/ha which represents an economic effect of $ 316 202.04 pesos. This also permits to stop investing about 184 793.4 USD on rice for our population feeding. [ABSTRACT FROM AUTHOR]

Published
2010

2. Metodología para el cálculo de la productividad de las cosechadoras de arroz en función de la utilización del tiempo de turno.

Author

Shkiliova, Liudmila, Coronel, Ciro Iglesias, and Caballero, Alexander Miranda

Subjects
*HARVESTING machinery, *AGRICULTURAL productivity, *HARVESTING, *RICE, *SHIFTING cultivation, *METHODOLOGY
Abstract

The paper tries a calculation methodology of the productivity of the rice harvester in function use of shift time, when the same ones work for the outline of circular movement. During the calculation of the productivity they are kept in mind the parameters and work regimen of the machines, what allows to specify the factors in which it is necessary to influence to diminish the losses of time of useful work and consequently to elevate the productivity of the harvesters. [ABSTRACT FROM AUTHOR]

Published
2007