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Milho para silagem: semeadura e colheita em Latossolo sob preparo convencional

Authors: Alves, Pamela José;

Milho para silagem: semeadura e colheita em Latossolo sob preparo convencional

Abstract

A produção de silagem é atividade importante para a alimentação do rebanho brasileiro e, neste aspecto, o planejamento da produção se torna indispensável para se obter uma maior produtividade. A escolha do híbrido adequado e a maneira como será feita a semeadura influencia a produção final, interferindo quantitativa e qualitativamente no desenvolvimento da cultura. A qualidade na colheita de culturas destinadas à silagem, que envolve o tamanho de fragmentos e altura de corte, é fundamental para que as condições da silagem sejam atendidas. O presente estudo foi conduzido em área experimental do Laboratório de Máquinas e Mecanização Agrícola (LAMMA UNESP/Jaboticabal) da Universidade Estadual Paulista “Júlio de Mesquita Filho”, Câmpus de Jaboticabal, com o objetivo de avaliar: o desempenho de uma semeadora-adubadora em Latossolo sob preparo convencional; as características do material colhido e as perdas na colheita de forragem; a resistência mecânica do solo à penetração, densidade e umidade do solo, em um sistema de produção de milho para silagem. No desempenho da semeadora-adubadora, a maior velocidade proporcionou o menor consumo operacional de combustível e maior capacidade de campo. As características de desenvolvimento da cultura não foram alteradas pelas velocidades e somente a altura da planta diferiu em função dos híbridos utilizados. A densidade e a resistência mecânica do solo à penetração apresentaram valores elevados para solos mobilizados. Na colheita, o consumo de combustível foi superior quando empregada a maior rotação das facas de corte. A perda média na colheita de forragem foi de 2% da produtividade.

The silage production is an important activity for alimentation of the Brazilian herd. For higher productivity, planning is essential. The choice of hybrid and appropriate sowing change the final production. The quality at sowing affect qualitatively and quantitatively the culture development. The quality of the harvest of crops intended for silage, which involves the size of fragments and height of cut is critical to reach the silage requirements. This study was conducted in the experimental area of the Laboratório de Máquinas e Mecanização Agrícola (LAMMA UNESP/Jaboticabal) of the Universidade Estadual Paulista Júlio de Mesquita Filho”, Campus Jaboticabal. The objective of this study was to evaluate: the performance of a seeder-fertilizer in Oxisol under conventional tillage; the characteristics of the harvested matter and losses at forage harvest; the soil mechanical resistance to penetration, density and soil moisture in a production system of maize for silage. In the performance of the seeder-fertilizer, the higher speed provided the lowest fuel consumption and increased the operational field capacity. The development of the culture were not changed by the speed at seeding and only the plant height differed depending on the hybrid used. The density and soil mechanical resistance to penetration showed high values for soil mobilized. At harvest, the fuel consumption was higher than that employed the largest rotation of the cutting knives. The average loss at harvest of forage was 2% in productivity.

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Pós-graduação em Agronomia (Ciência do Solo) - FCAV

Country
Brazil
Keywords

Miaze hybrids, soil tillage, Solos - Manejo, Milho hibrido, Forage harvester, Silagem, Seeds-fertilizer, Zea mays, Semeadora-adubadora

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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