| Comparison of July mean backscatter values with reference mean backscatter values | |||||||
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| Barley | Oat | Maize | Rape | Wheat | Potatoes |
| Leingarten test site | July | −15.9 | −16.1 | −11.2 | −10.6 | −16 | −7.4 |
| Moessingen upper test site | July | −13.1 | −12.3 | −10.3 | −10.4 | −14.3 | −9.9 |
| Moessingen lower test site | July | −16.6 |
| −11.0 | −11.0 | −14.7 | −10.2 |
| Reference values | July | −12 | −12 | −8 | −10 | −14 | −8 |