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    Pasture composition and production from different cropping sequences in dryland pasture converted from Pinus radiata forest

    Edwards, Grant; Moot, Derrick J.; Marshall, Alan J.
    Abstract
    Dry matter production and pasture composition were measured over 22 months in eight cropping sequences on a dryland site converted from forest to pasture. Cropping sequences involved different combinations of: (i) autumn and spring sowing; (ii) sowing immediately into pasture or into oat and triticale forage crops followed by pasture; and (iii) undersowing pasture beneath rape or conventional sowing. Annual DM production varied little among treatments (mean 6. 8 t DM/ha) once pastures were established in all sequences. Sites sown directly into pasture in autumn had a high (27%) annual legume content in the first spring but a low annual legume content in the second spring (<3%). Pastures undersown beneath a rape nurse crop after triticale and oat crops contained no gorse and had a higher percentage of white and Caucasian clover than conventionally sown pastures. Managers of forest to pasture conversion programmes should consider utilising a sequence of winter forage crops followed by pasture establishment beneath a rape nurse crop. This ensures superior woody weed control and a high abundance of pasture legumes to enhance nitrogen inputs.... [Show full abstract]
    Keywords
    land use conversion; weeds; dryland pasture; forestry; plantation forestry; pasture; clover
    Date
    2007
    Type
    Conference Contribution - Published (Conference Paper)
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    • Department of Agricultural Sciences [1445]
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    Copyright © The Authors and New Zealand Grassland Association.
    Citation
    Edwards, G. R., Moot, D. J. & Marshall, A. J. (2007). Pasture composition and production from different cropping sequences in dryland pasture converted from Pinus radiata forest. Proceedings of the New Zealand Grassland Association, 69, 87–91.
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