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Quantifying the effectiveness of cover crops as a means of increased water infiltration and reduced evaporation in the northern region

This cross-sectoral project investigated the effectiveness of cover crops to increase infiltration, reduce evaporation, and increase plant-available water for dryland grain and cotton and irrigated cotton. The research found that cover crops can protect the soil from erosion in low cover fallows and maintain stored water in most years. Importantly, the project has measured much higher yield at some dryland grain and irrigated cotton sites; up to three times higher than can be explained by differences in soil water alone. These responses appear to be due to better establishment, increased in-crop infiltration, better water extraction, and perhaps improved soil biology.

Project date

1 May 2017-20 Oct 2020
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Principal investigator

David Lawrence

Project led by

Cotton

Cotton Research and Development Corporation (CRDC)

The Cotton Research and Development Corporation (CRDC) delivers outcomes in cotton research, development and extension (RD&E) for the Australian …

Cotton
  • Location

    Australia wide

  • Organisation type

    Research funding body

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Collaborators

Focus areas

Sustainabilities

Technology areas

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Characteristics of disease suppressive cotton farming systems and soils understood

Soil borne diseases continue to be one of the major constraints to cotton production. This project helps to identify soil …
  • Led by

    Cotton Research and Development Corporation (CRDC)

  • Start date

    1 Sep 2019

  • Research organisations

    Commonwealth Scientific and Industrial Research Organisation (CSIRO), Cotton Research and Development Corporation (CRDC), New South Wales Department of Primary Industries (NSW DPI), Queensland Department of Agriculture and Fisheries (QDAF), The University of Queensland (UQ), University of Southern Queensland (USQ)

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