Impact of local conditions and machine management on grape harvest quality

da Costa Neto, Wilson Valente and Barreiro Elorza, Pilar and Garrido Izard, Miguel (2019). Impact of local conditions and machine management on grape harvest quality. "Scientia Agricola", v. 76 (n. 5); pp. 353-361. ISSN 1678-992X. https://doi.org/10.1590/1678-992x-2017-0420.

Description

Title: Impact of local conditions and machine management on grape harvest quality
Author/s:
  • da Costa Neto, Wilson Valente
  • Barreiro Elorza, Pilar
  • Garrido Izard, Miguel
Item Type: Article
Título de Revista/Publicación: Scientia Agricola
Date: September 2019
ISSN: 1678-992X
Volume: 76
Subjects:
Faculty: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
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 (2MB) | Preview

Abstract

Since its inception approximately 50 years ago, the grape harvester has been one of the machines responsible for the expansion of viticulture in the world. In Spain, harvesters were introduced in the 1990s (there are now approximately 3,000 machines there as of 2017), while they were introduced in Brazil in 2010. Harvest mechanization requires specific crop adaption and new work features that deserve to be analysed from their very beginnings. The aim of this study was to evaluate the management of four commercial grape harvest machines under actual field conditions on an intercontinental basis in two locations in Brazil and Spain. Machine performance measured by work (ha h−1) and processing capacity (kg h−1), together with field efficiency (%) and task quality, as measured by grape losses (%), in soil and plant, as well as must release (%), were considered in relation to plot geometry, adaption of plots to mechanical harvesting, and machine type, in order to assess whether the initial steps towards harvest mechanization in Brazil have led to similar performance and quality levels compared to Spain, which represents an example of well-established mechanization. The theoretical work capacities were similar for towed equipment in both countries (0.81 ha h−1 in Brazil and 0.87 ha h−1 in Spain) and lower compared to self-propelled capacity (1.34 ha h−1). Significant differences were observed in terms of losses of grapes and must, with the highest values prevailing in Brazil (2 % grape losses in the ground; up to 23 % of the plant undetached grapes and must losses of 2-4 % (per kg vine productivity).

More information

Item ID: 55831
DC Identifier: http://oa.upm.es/55831/
OAI Identifier: oai:oa.upm.es:55831
DOI: 10.1590/1678-992x-2017-0420
Official URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162019001500353&lng=en&nrm=iso
Deposited by: Catedrática Pilar Barreiro
Deposited on: 15 Jul 2019 13:54
Last Modified: 16 Jul 2019 06:58
  • 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