Energy evaluation of sugar cane production (Saccharum officinarun L.) (Original)
Keywords:
sugar cane; energy balance; direct operating costs; soil preparation.Abstract
The research was carried out in the 26 de Julio Cooperative Basic Production Unit, belonging to the Songo-La Maya municipality, Santiago de Cuba province. This entity is dedicated to the cultivation of sugar cane and the study developed in it had the objective of evaluating the energy consumption and cost of soil preparation for this crop. For this purpose, direct, indirect and input energies were taken into account. The data obtained allowed an analysis of variance (ANOVA) of simple classification, using the STATISTICA statistical package, with Fisher's LSD test for a probability p<0.95. As a result, it was obtained that the use of the MTZ-80 tractor, with the ADI-3M disk plow, presented a direct energy consumption of 1 271 MJ·ha-1 for the use of fuel and 106,53 MJ·ha-1 of indirect energy for the use of agricultural machinery. The Pareto analysis showed that the Unit should concentrate its efforts on reducing energy consumption in the activity of breaking and crossing the soil, which is where there is the highest consumption of fuel and human energy.
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- 2024-06-28 (2)
- 2024-05-18 (1)