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| This is an image I made using a DTM purchased online. It is 5meter resolution and although I realize it would not work for you, out here in the Great American Desert and no RTK for good elevation data it does work pretty good for delineating zones for soil testing. Out here the "high spots or knobs" are high in ph and CCE (not CEE). We will generally back off the N on the hills and pour on the P as well as back of seed on hills , while in the "LOW SPOTS" it is just the inverse.....theory being the soil water holding capacity is much greater in the bottoms as well as P being tied up in the tops.
"You're not in IOWA anymore TOTO".........again, this is in the NORTHERN PLAINS, not midwest corn country.
Like your maps, pretty cool.........I used ARCSCENE for mine.
Buckwheat
 (PHILLIPHS.jpg)
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 PHILLIPHS.jpg (20KB - 92 downloads)
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Elevation Mapping (Pics)
