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Title: Management zones based on correlation between soil compaction, yield and crop data
Authors: Vrindts, E ×
Mouazen, Abdul Mounem
Reyniers, Maarten
Maertens, K
Maleki, MR
Ramon, Herman
De Baerdemaeker, Josse #
Issue Date: Dec-2005
Publisher: Published for Silsoe Research Institute by Academic Press
Series Title: Biosystems Engineering vol:92 issue:4 pages:419-428
Abstract: In 2003, soil and winter wheat crop information were gathered on an Arenic Cambisol field dominated by sandy silt loam and sandy loam soils according to the Belgium soil classification. Crop information consisted of spectral reflection measurements taken in May and yield mapping in August. Soil information, obtained after harvest, included moisture content and dry bulk density. The soil and crop information of this field were analysed to assess the effect of the measured soil dry bulk density on the crop and to test if the measured soil bulk density could contribute to better field management. Where dry soil bulk density was above 1.6 Mg/m(3), the yield was limited, otherwise, no relation was observed between the yield and dry soil bulk density. Different methods of defining management zones based on soil and crop information were compared. FUZZY clustering was used to make soil management zones based on the soil data only, but these clusters did not explain much of the yield variability. Another set of management zones was defined based on soil information and crop. These clusters provided a better description of the yield variation. A low-yielding area could be delineated related to high soil bulk density. Outside this area, yield was more affected by soil moisture variability and other factors. (c) 2005 Silsoe Research Institute. All rights reserved Published by Elsevier Ltd.
ISSN: 1537-5110
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Mechatronics, Biostatistics and Sensors (MeBioS)
× corresponding author
# (joint) last author

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