Potential of low ground pressure for harvesting machinery in a controlled traffic farming system in organic agriculture

G.D. Vermeulen, W. Sukkel

    Research output: Chapter in Book/Report/Conference proceedingConference paper

    Abstract

    Seasonal controlled traffic farming (SCTF), i.e. CTF without using the permanent traffic lanes for harvesting and primary soil tillage, leads to improved soil structure, higher crop yields, significant reduction of the emission of nitrous oxide and increased uptake of methane. Improved timeliness of operations, easier mechanical weed control and favourable returns on investments are considered practical advantages of SCTF. Further improvements, including reduced tillage, seem possible by avoiding overcompaction of the soil in the cropping beds during harvesting. The objective of the research was to find out what ground pressures can be applied without compromising soil structure and subsequent growth of a green manure crop, i.e. without tilling the topsoil after compression. No driving over the beds (ground pressure = 0) and simulation of harvesting with equipment requiring tyre inflation pressures of respectively 40, 60 and 80 kPa were investigated. Under dry or moist (field capacity) soil conditions support of harvesting machinery on the planting bed with tyres inflated to 0.4 bar did not lead to severe compaction and subsequent yield reductions.
    Original languageEnglish
    Title of host publicationEcomit. Proceedings of the 5th Int. Sci.Conf on Sustainable Farming Systems, 5 - 7 November, 2008, Piestany, Slovakia
    Place of PublicationSlovakia
    PublisherSlovak Association for Sustainable Agriculture
    Pages96-99
    Publication statusPublished - 2008
    EventEcomit. 5th Int. Sci. Conf. on Sustainable Farming Systems -
    Duration: 5 Nov 20087 Nov 2008

    Conference

    ConferenceEcomit. 5th Int. Sci. Conf. on Sustainable Farming Systems
    Period5/11/087/11/08

    Keywords

    • organic farming
    • harvesting
    • harvesters
    • arable farming
    • controlled traffic farming
    • outdoor cropping

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