Identification and Management of Soil Acidity in irrigated lands of Southern NSW

  • 41 pages

  • Published: 1 Aug 2004

  • Author(s): Beecher, HG, Lake, BA

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Soil acidification under current agricultural practices is an important land degradation process. Increasing soil acidity causes reduced yield, leading to reduced water and land use efficiency and a reduced range of crop species that can successfully be grown within the irrigated cropping system. Irrigated cropping industries of the Murrumbidgee and Murray Valleys in southern NSW are primarily rice based farming systems. Whilst rice under flooded conditions is relatively unaffected by soil pH, crops potentially grown in rotation with rice may be significantly affected by low soil pH. This publication reports investigations into changes in surface soil acidity over time and the extent and severity of topsoil and subsoil acidity in irrigated lands of southern NSW. 2004, 41pp, Pub No 04/007; $16