1) the level of suitability is very reasonable (S1) is very cassava (t / ha),
2) the class is appropriate. Moderately suitable (S2) with cassava moderate (t / ha)
3) Areas that have an appropriate, is less suitable (S3) with cassava Ni (t / ha),
4) the area is level is appropriate. Inappropriate (N) with cassava very low (t / ha)
5) the relationship between the yield on the level appropriate for the program ALES is more accurate than the program SoilView 2.0 because the steps in the analysis of the ALES using a map. soil, scale 1: 25,000, which is in the unit over the map SoilView 2.0 program using the soil map scale of 1: 50,000.
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