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Arranjo espacial de plantas de milho em sistema plantio direto

Authors: Pereira, Francisco R. Da S.; Cruz, Simério C. S.; De Albuquerque, Abel W.; Santos, José R.; Da Silva, Edson T.;

Arranjo espacial de plantas de milho em sistema plantio direto

Abstract

Práticas de manejo que aumentem a população de plantas e reduzam o espaçamento através de arrajamento espacial podem, desde que bem planejadas, podem ser uma excelente oportunidade para que o produtor aumente a sua rentabilidade. Neste trabalho, o objetivo primordial foi avaliar os efeitos da variação da distribuição espacial de plantas em dois híbridos de milho cultivados em Sistema Plantio Direto (SPD) sobre os componentes de produção. O estudo foi desenvolvido no CECA/UFAL. Os tratamentos consistiram no cultivo dos híbridos de milho FORT e AGN 30A00, nos espaçamentos 0,80 e 0,40 m e submetidos às populações de 60.000 e 70.000 plantas ha-1. O delineamento estatístico foi o de blocos casualisados em esquema fatorial (2 x 2 x 2), com três repetições. A partir dos resultados obtidos foi possível concluir que nem a redução do espaçamento nem o aumento da densidade de plantas, como práticas isoladas, proporcionaram incremento no rendimento de grãos, para as cultivares testadas; entretanto, a combinação da redução no espaçamento com o aumento na população de plantas resultou em significativo incremento na produtividade de grãos do híbrido FORT.

Country
Brazil
Keywords

580, Row spacing, espaçamento entre linhas, Cultivars, plant density, Plant density, Zea mays, população de plantas, cultivars, row spacing, cultivares

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    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    influence
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citations
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!
8
Average
Average
Average
Green
gold