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

L. Conceição; P. Barreiro Elorza; S. Dias; C. Valero

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

于Precision agriculture '13

著者：

L. Conceição

L. Conceição ¹Instituto Politécnico de Portalegre, ESAE, Av. 14 de Janeiro, s/n Apartado 254, 7350-903 Elvas, Portugal; luis_conceicao@esaelvas.pt

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P. Barreiro Elorza

P. Barreiro Elorza ²Physical Properties Laboratory (LPF-Tagralia). Universidad Politécnica de Madrid, Av. Complutense s/n, 28040, Madrid, Spain

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S. Dias

S. Dias ¹Instituto Politécnico de Portalegre, ESAE, Av. 14 de Janeiro, s/n Apartado 254, 7350-903 Elvas, Portugal; luis_conceicao@esaelvas.pt

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C. Valero

C. Valero ²Physical Properties Laboratory (LPF-Tagralia). Universidad Politécnica de Madrid, Av. Complutense s/n, 28040, Madrid, Spain

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类型:: 章节

Page Range:: 283–290

DOI:: https://doi.org/10.3920/9789086867783_035

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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 seeder sowing depth.

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Precision agriculture '13

ISBN:: 9789086867783

出版社:: Wageningen Academic

印刷出版日期:: 01 Nov 2013

Subjects
- Life Sciences
  - General
  - Agriculture & Environment

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

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