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<blockquote data-quote="PSQ" data-source="post: 7481846" data-attributes="member: 11374"><p>Agri-tech disease prediction is still in its infancy. My concern is that its a computer model using forecasts and assumptions (RI,RO), but there is little allowance for local anomalies like coastal effects or rain shading etc. At this point in time I would prefer to trust an experienced <u>independent</u> agronomist to evaluate disease risk while with his or her boots on the ground, rather a proprietary yet anonymous and unaccountable algorithm that exists somewhere in the ether, that only gives a single 'traffic light' coloured dot to warn of a particular disease risk in any given field. There doesn't even appear to be a key to explain the colour differences in Field Manager.</p><p></p><p>NDVI's on the other hand are a fantastic 'litmus test' of crop health variability, texture variability, moisture variability, and variations in fertility, with a satellite resolution somewhere in the region of 400 different samples per Ha (depending on the satellite, the sample area is approx 4m x 6m).</p></blockquote><p></p>
[QUOTE="PSQ, post: 7481846, member: 11374"] Agri-tech disease prediction is still in its infancy. My concern is that its a computer model using forecasts and assumptions (RI,RO), but there is little allowance for local anomalies like coastal effects or rain shading etc. At this point in time I would prefer to trust an experienced [U]independent[/U] agronomist to evaluate disease risk while with his or her boots on the ground, rather a proprietary yet anonymous and unaccountable algorithm that exists somewhere in the ether, that only gives a single 'traffic light' coloured dot to warn of a particular disease risk in any given field. There doesn't even appear to be a key to explain the colour differences in Field Manager. NDVI's on the other hand are a fantastic 'litmus test' of crop health variability, texture variability, moisture variability, and variations in fertility, with a satellite resolution somewhere in the region of 400 different samples per Ha (depending on the satellite, the sample area is approx 4m x 6m). [/QUOTE]
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