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A comparative study of nitrate leaching from intensively managed monoculture grass and grass-clover pastures Organic Eprints
P.S., Hooda; M., Moynagh; I.F., Svoboda; H.A., Anderson.
Nitrate leaching losses from intensively managed monoculture grass and grass-clover pastures were measured during 1994-96 at a long-term experimental farm in south-west Scotland. Field-size lysimeter plots were established in 1993 on the existing pastures on a silty clay loam non-calcareous gley. No fertilizer-N was applied to the grass-clover, while the monoculture grass was fertilized with c.240 kg N ha-1 year-1, but both swards received 2-3 cattle slurry applications annually (120-390 kg total N ha-1 year-1). The pastures supported 2-3 cuts for silage conservation, and were grazed by dairy cattle and stocked with sheep during the winter months. Initially, leachate nitrate concentrations from the fertilized grass were considerably larger than those...
Tipo: Journal paper Palavras-chave: Nutrient turnover; Farm nutrient management.
Ano: 1998 URL: http://orgprints.org/6175/1/Younie2002Effect.pdf
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