Spatial variability of seed depth placement of maize under no tillage in Alentejo, Portugal

Conceiçao, Luis Alcino and Barreiro Elorza, Pilar and Dias, S. and Valero Ubierna, Constantino (2013). Spatial variability of seed depth placement of maize under no tillage in Alentejo, Portugal. In: "International Conference of Agricultural Engineering", 08/07/2012-12/07/2012, Valencia. ISBN 84-615-9928-4. p. 8.

Description

Title: Spatial variability of seed depth placement of maize under no tillage in Alentejo, Portugal
Author/s:
  • Conceiçao, Luis Alcino
  • Barreiro Elorza, Pilar
  • Dias, S.
  • Valero Ubierna, Constantino
Item Type: Presentation at Congress or Conference (Article)
Event Title: International Conference of Agricultural Engineering
Event Dates: 08/07/2012-12/07/2012
Event Location: Valencia
Title of Book: CIGR-Ageng2012
Date: 2013
ISBN: 84-615-9928-4
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Otro
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Among the various factors that contribute towards producing a successful maize crop, seed depth placement is a key determinant, especially in a no-tillage system. The main objective of this work was to evaluate the spatial variability of seed depth placement and crop establishment in a maize crop under no-tillage conditions, using precision farming technologies. The obtained results indicate that seed depth placement was significantly affected by soil moisture content, while a very high coefficient of variation of 39% was found for seed depth. Seeding depth had a significant impact on mean emergence time and percentage of emerged plants. Shallow average depth values and the high coefficient of variation suggest a need for improvement in controlling the seeders sowing depth.

More information

Item ID: 38516
DC Identifier: http://oa.upm.es/38516/
OAI Identifier: oai:oa.upm.es:38516
Deposited by: Memoria Investigacion
Deposited on: 18 Mar 2016 15:32
Last Modified: 06 Jun 2016 15:32
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