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Person

Christopher Johns

Alternate Name:
Christopher D. Johns
Report

The chemical fertility of soils


Many of the soil types found in Australia are deficient in some of the essential nutrients and the solution is not as simple as just adding fertiliser. A plant’s ability to take up nutrients, even when they are abundantly available, is strongly influenced by the availability of water, the presence of soil organic matter, soil...
Report

Under our feet: soil microorganisms as primary drivers of essential ecological processes


A better understanding of soil microbiology is essential if agricultural production is to meet the needs of a growing world population.
Report

The state of Australia’s soils


Several degraded soil conditions are currently causing environmental and economic concern in Australia, including acidification, erosion, salinity, depletion, structural decline and compaction.
Report

Regenerating our landscapes


This paper seeks to provide a short and simple description of how carbon, water, nutrients, organic matter and microbes interact to underpin the health of soils.
Report

Agricultural application of mycorrhizal fungi to increase crop yields, promote soil health and combat climate change


Thus report looks at the practice by a number of farmers in the Great Southern agricultural region of Western Australia of inoculating seed with fungi spores in order to recover degraded soils.

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