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Planning soil tillage using quality function deployment (QFD)

DOI: 10.1590/S0103-90162003000200003

Keywords: qfd, quality, mechanization, soil tillage, forestry.

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Abstract:

the brazilian forest sector represents about 4% of gross domestic product (gdp) which is correspondent to us$ 21.0 billion. the natural forest area is approximately 4.8 million hectares and for the near future there will be a need to increase the planted area. to avoid or minimize the impact of mechanized practices on forest soils, the reduced tillage has been developed. the aim of this work is to define the technical priorities of the reduced tillage for eucalyptus seedlings, using quality function deployment (qdf). the design requirements classified as the most important to attend seedling demands were the furrow width and depth, and clod sizes. qfd has the potential to be applied to agro-forestry systems to translate plant demands into technical requirements.

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