Abstract
he objective was to evaluate production costs during all mechanized and manual operations used in the production of corn silage (common), cultivated in the municipality of Colina, São Paulo, in the 2022/23 season. Among the costs involved in agricultural production, those with agricultural machinery and inputs are the main ones. For this purpose, two seed varieties of corn: P4285VYHR and P4285R were used. Harrowing was performed with a harrow; two harrowing with crushing harrow; sowing and fertilization in line with a fertilizer seeder; application of herbicide and insecticide with boom sprayer; and harvesting with a single row forage harvester. The P4285VYHR variety had a COE 2.4% higher than the P4285R variety, but the yield of the first variety was 34% higher than the second variety. Keywords: Economic viability; Planting; Cultivars.
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