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Final Report: UA00095 - Field validation of DGT for phosphorus and extension of the DGT test to other nutrients

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It is recommended that the ability to predict both dry matter (important for hay) and grain response is assessed over successive growing seasons with contrasting climatic conditions... Previous work has shown potential complications associated with current soil P testing methods such as Colwell P and resin P. But the relatively new method called DGT appears to overcome these problems... To prove the ability of DGT to assess micronutrient deficiency, further work is required looking at dry matter and grain responses under field conditions as performed in this project (UA00095) with phosphorus...
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