2007
DOI: 10.1590/s0100-69162007000100020
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Colheita de citros e obtenção de dados para mapeamento da produtividade

Abstract: A citricultura é de fundamental importância para a economia brasileira devido a sua expressiva participação na exportação e pela geração de empregos. A colheita manual é atualmente realizada na totalidade das propriedades citrícolas nacionais. A ausência de técnicas para a geração de mapas de produtividade em citros é uma das grandes dificuldades para a implantação da agricultura de precisão, o que justifica empreender técnicas e equipamentos para essa finalidade. Neste trabalho, teve-se o objetivo de ter o co… Show more

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Cited by 19 publications
(21 citation statements)
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“…Yield points, represented by georeferenced bags, presented a low spatial dependency, because semi-variance did not increase significantly together with the distance among the pairs of points analyzed (Figure 2), resulting in 69% randomness among points (Table 3). A similar fact occurred in the study by Molin and Mascharin (2007), who obtained a pure nugget effect on the yield semivariogram in a citrus orchard. The authors used the same system of data survey on the field and emphasized that such geostatistical performance occurred because there were full and partially full bags close to each other.…”
Section: Resultssupporting
confidence: 80%
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“…Yield points, represented by georeferenced bags, presented a low spatial dependency, because semi-variance did not increase significantly together with the distance among the pairs of points analyzed (Figure 2), resulting in 69% randomness among points (Table 3). A similar fact occurred in the study by Molin and Mascharin (2007), who obtained a pure nugget effect on the yield semivariogram in a citrus orchard. The authors used the same system of data survey on the field and emphasized that such geostatistical performance occurred because there were full and partially full bags close to each other.…”
Section: Resultssupporting
confidence: 80%
“…This fact allowed the use of only the harvest team leader data and consequently the subsequent bags did not need to be weighed during the development of the study. This difference was co-validated with results of a study conducted under the same harvest conditions by Molin and Mascharin (2007). Using a load cell, they found errors of 3.4% and 3.9% on bag weight estimative, in two harvest teams.…”
Section: Resultssupporting
confidence: 65%
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