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Agronomy 2019, 9(4), 189; https://doi.org/10.3390/agronomy9040189

Comparison of Energy Used and Effects on Bulk Density and Yield by Tillage Systems in a Semiarid Condition of Mexico

1
Production Systems Engineering Program, Universidad Autónoma Agraria Antonio Narro, Calzada Antonio Narro 1923 Saltillo, Coahuila 25315, Mexico
2
Agricultural Machinery Department UAAAN Saltillo, Universidad Autonoma Agraria Antonio Narro, Saltillo, Coahuila 25315, Mexico
3
Irrigation and Drainage Department UAAAN, Saltillo, Universidad Autonoma Agraria Antonio Narro, Saltillo, Coahuila 25315, Mexico
*
Author to whom correspondence should be addressed.
Received: 19 February 2019 / Revised: 3 April 2019 / Accepted: 12 April 2019 / Published: 13 April 2019
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Abstract

Energy used for tillage is an input with a high impact on the cost of crop production; it is desirable to till the soil using minimum energy. The objective of this study was to compare the specific energy expenditure, effect on soil bulk density, and forage yield of maize, by three tillage systems: Disk plow/Disk Harrow/planter (DDP), Chisel plow/Disk harrow/planter (CHDP) and No-Tillage (NT). Energy was measured for tillage operations in the summer season of 2013, 2016, and 2017. Bulk density in 2013 and 2016. Yield in 2013 and 2014. The variables of drawbar force (kN), working speed (m s−1), width (m), depth (m), fuel consumption (L ha−1), bulk density (g cm−3), and dry matter yield (Mg ha−1) were measured. Results showed that there were significant differences in the amount of energy used per ha; DDP used an average of 379.75 MJ, CHDP 135.01 MJ, and NT 26.43 MJ. The average energy applied to the soil mass for each system was 400 J kg−1 for DDP, 255.13 J kg−1 for CHDP, and for NT was 237.8 J kg−1. The overall energy efficiency was; 18.23% for DDP, 6.88% for CHDP, and 4.77% for N. The bulk density decreased significantly after three years for NT. There were no significant differences in dry matter yield. In the semiarid condition of Mexico, CHDP and NT are options for saving from 64% to 93% of energy, compared with DDP. View Full-Text
Keywords: energy; tillage systems; fuel consumption; energy use efficiency; semiarid condition energy; tillage systems; fuel consumption; energy use efficiency; semiarid condition
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López-Vázquez, A.; Cadena-Zapata, M.; Campos-Magaña, S.; Zermeño-Gonzalez, A.; Mendez-Dorado, M. Comparison of Energy Used and Effects on Bulk Density and Yield by Tillage Systems in a Semiarid Condition of Mexico. Agronomy 2019, 9, 189.

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