Performance comparison of residue management units of no-tillage sowing systems: a review
Date
2019
Authors
Aikins, K.A.
Antille, D.L.
Jensen, T.A.
Blackwell, J.
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Journal article
Citation
Engineering in Agriculture, Environment and Food, 2019; 12(2):181-190
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Abstract
Appropriate residue management is a key factor underlying successful crop establishment in no-tillage systems.Satisfactory opening and closing of furrows, and uniform seeding depth and seed-spacing are achieved when thedesign of the residue management unit of the seeder, and machinery settings are correctly selected for the soiltype, soil condition, and soil surface residue characteristics. Improper selection of such units or settings canresult in blockage of tine furrow openers, with accumulated residues and hairpinning when disc openers areused. This can affect seed-soil contact and result in uneven seedling emergence or sub-optimal plant stand, andreduce crop yield potential. This article critically examines the effectiveness of residue management units of no-tillage sowing equipment in maintaining appropriate levels (e.g., ≥30%) of residue cover on sown rows, pre-venting the interference of such residue with opening and closing of furrows (blockage), enabling the seed to becorrectly placed (depth control, seed-spacing), and by discussing the influence of unit's design on fuel consumption and power (draft) requirements.
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Dissertation Note
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Data source: Supplementary data, https://doi.org/10.1016/j.eaef.2018.12.006
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Copyright 2018 Asian Agricultural and Biological Engineering Association.