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dgt test development

Catalogue: GRDC Media
The new age of soil phosphorus testing is.. Extensive testing over recent years and trial analysis this year have demonstrated that the DGT test offers considerable improvement in predicting soil available P levels on many cropping soils in south-eastern Australia... Dr Mason says the DGT test is a plastic device that uses an iron oxide gel as a P sink, which attracts available P through a membrane...
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