What is it about?
The chemical nature of phosphorus in Irish agricultural soils with regards to phosphorus uptake and release for plant availability and crop growth
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Why is it important?
This paper describes the interaction between soil chemical properties and phosphorus dynamics that can influence sorption of added P and release in a soluble and available form for plant uptake, and points towards a need for soil type specific P advice for agriculture and environmental regulation of P use
Perspectives
Building up P in some soils might take time if there is a high Al content, relative to the amount of P in the soil. Soils with higher Al than P, can be 'high P fixing' and prone to being acidic. Optimising pH will help solubilize Al bound P, but it's always worthwhile knowing what other elements are in the soil (Al, Fe, Ca) along with P so that advice can be tailored to soil type.
Dr Karen M Daly
Teagasc
Read the Original
This page is a summary of: Phosphorus sorption, supply potential and availability in soils with contrasting parent material and soil chemical properties, European Journal of Soil Science, May 2015, Wiley,
DOI: 10.1111/ejss.12260.
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