Identificação dos fatores críticos da colheita mecanizada de cana-de-açúcar (Saccharum spp.) / The identification of the critical factors of sugarcane (Saccharum spp.) mechanized harvesting

AUTOR(ES)

Neisvaldo Barbosa dos Santos

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

07/10/2011

RESUMO

The sugar cane has significant role on Brazilian agribusiness economy. Its sub products are used for electric power generation, fuel production, as raw material for food and chemical industry. On sugarcane production, harvesting is considered as one of the most important operations of the process for it has to attend the raw material demanded by the sugar mill in quality and a competitive cost. However, the economical and operational harvesting performance is influenced by several variables systemically inter-related. Because of this to predict the effects of individual alterations on variables during the operation is difficult. Due to this difficulty the aim of this study was to analyze, in a systemic way, the variables influence on economical and operational performance in sugar cane mechanized harvesting process. For this purpose a model called \"ColheCana\", was developed in a spreadsheet and in a programming language. The model was checked, validated and used on the variables analysis and on the scenarios development. The results showed that the field efficiency and harvester´s initial value are variables of great impact in the cost and that there is a maximum area that one equipment can attend and for this area the cost is minimum. The increasing of field productivity has a positive impact on production cost, but the influence on fuel cost must be considered. The increasing of productivity may cause an increasing of harvester fuel consumption and consequently on the costs. The managerial efficiency is one of the variables that may reflect the reduction of production cost by reducing the time wasted.

ASSUNTO(S)

agricultural mechanization cana-de-açúcar colhedoras - desempenho harvester - performance mecanização agrícola sugar cane

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