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Assessing the leaching of cadmium in an irrigated and grazed pasture soil

journal contribution
posted on 2024-06-21, 03:52 authored by Rich McDowellRich McDowell
To decrease topsoil cadmium (Cd) concentrations we need to make inputs < outputs. Phosphorus fertiliser is the main input of Cd and leaching the main loss of Cd. Cd leaching losses were between 1.1 and 1.8 g ha over 67 years of increasing irrigation. Topsoil Cd concentration may plateau if P fertiliser is applied <22.5 kg ha/yr and contains <72 mg Cd kg/P.

Funding

Funded by the New Zealand Ministry for Business, Innovation and Employment's Our Land and Water National Science Challenge (Toitū te Whenua, Toiora te Wai) as part of project Linking Legacies to Wai|Sources and Flows

History

Publication date

2021-11-07

Language

  • English

Does this contain Māori information or data?

  • No

Journal title

Environmental Pollution

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