A partial study of vertical distribution of conventional no-till seeders and spatial variability of seed depth placement of maize in the Alentejo region, Portugal

Conceiçao, Luis Alcino and Barreiro Elorza, Pilar and Dias, Susana and Garrido Izard, Miguel and Valero Ubierna, Constantino and Marques da Silva, J.R. (2015). A partial study of vertical distribution of conventional no-till seeders and spatial variability of seed depth placement of maize in the Alentejo region, Portugal. "Precision Agriculture", v. 16 (n. 82); pp. 1-17. ISSN 1385-2256. https://doi.org/10.1007/s11119-015-9405-x.

Description

Title: A partial study of vertical distribution of conventional no-till seeders and spatial variability of seed depth placement of maize in the Alentejo region, Portugal
Author/s:
  • Conceiçao, Luis Alcino
  • Barreiro Elorza, Pilar
  • Dias, Susana
  • Garrido Izard, Miguel
  • Valero Ubierna, Constantino
  • Marques da Silva, J.R.
Item Type: Article
Título de Revista/Publicación: Precision Agriculture
Date: 2015
ISSN: 1385-2256
Volume: 16
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Ingeniería Agroforestal
UPM's Research Group: Técnicas Avanzadas en Agroalimentación LPF-TAGRALIA
Creative Commons Licenses: Recognition

Full text

[img]
Preview
PDF - Requires a PDF viewer, such as GSview, Xpdf or Adobe Acrobat Reader
Download (3MB) | Preview

Abstract

The requirements for a good stand in a no-till field are the same as those for conventional planting as well as added field and machinery management. Among the various factors that contribute towards producing a successful maize crop, seed depth placement is a key determinant. Although most no-till planters on the market work well under good soil and residue conditions, adjustments and even modifications are frequently needed when working with compacted or wet soils or with heavy residues. The main objective of this study, carried out in 2010, 2011 and 2012, was to evaluate the vertical distribution and spatial variability of seed depth placement in a maize crop under no-till conditions, using precision farming technologies and conventional no-till seeders. The results obtained indicate that the seed depth placement was affected by soil moisture content and forward speed. The seed depth placement was negatively correlated with soil resistance and seeding depth had a significant impact on mean emergence time and the percentage of emerged plants. Shallow average depth values and high coefficients of variation suggest a need for improvements in controlling the seeders’ sowing depth mechanism or more accurate calibration by operators in the field.

More information

Item ID: 37178
DC Identifier: http://oa.upm.es/37178/
OAI Identifier: oai:oa.upm.es:37178
DOI: 10.1007/s11119-015-9405-x
Official URL: https://link.springer.com/article/10.1007%2Fs11119-015-9405-x
Deposited by: Catedrática Pilar Barreiro
Deposited on: 20 Jul 2015 11:28
Last Modified: 31 May 2019 17:13
  • Logo InvestigaM (UPM)
  • Logo GEOUP4
  • Logo Open Access
  • Open Access
  • Logo Sherpa/Romeo
    Check whether the anglo-saxon journal in which you have published an article allows you to also publish it under open access.
  • Logo Dulcinea
    Check whether the spanish journal in which you have published an article allows you to also publish it under open access.
  • Logo de Recolecta
  • Logo del Observatorio I+D+i UPM
  • Logo de OpenCourseWare UPM