What are the best pasture improvement options for different South Island hill and high-country environments?

نویسندگان

چکیده

A range of options exist to improve pasture in the South Island hill and high country. Pasture yield cost seed, lime fertiliser from 55 trial sites were used calculate partial gross margins (GM) for a improvements on different slopes aspects. On drillable land, average rainfall <500 mm/yr, pastures should be based subterranean clover or perennial lupins. Lucerne can where root growth is not limited by soil depth. At 500-750 mm/yr rainfall, lucerne lupins, with Caucasian clover, are viable. Where >750 mm, Caucasian, white red sown. similar moisture more non-drillable compared aspect must considered. <750 sunny aspects, e.g., balansa,are best options, shady areas improved clover. Late winter application 30- 50 kg/ha nitrogen aspects less than 750 /yr higher rainfall. For managed maximise legume content, over-sowing

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ژورنال

عنوان ژورنال: Journal of New Zealand grasslands

سال: 2023

ISSN: ['2463-2872', '2463-2880']

DOI: https://doi.org/10.33584/jnzg.2022.84.3603