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Wednesday, December 12, 2018
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Project Background

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The methodologies used to derive the datasets that inform the three branches of the decision tree are summarised below.  It is important to note that these tools were developed to prompt users of pesticides, quite possibly new land owners, tennants, contract farmers or contract sprayers to think about and address these spatio-temporal risk factors.  There is no substitute for proper field level risk assessment and planning as local field scale factors may vary from the broader scale regional spatial datasets that underpin these tools, for example a low drainflow risk index does not mean that a local field does not have a heavy soil that is underdrained it suggests that this is less likely.

Spatial Risk Screening

The approach used to develop the spatial risk index is described here.

Temporal Risk Screening

The approach used to develop the drainflow probabilities is described here.

Usage Risk Screening

The approach used to develop the usage risk ratings is described here.


Developed by ADAS UK Ltd