---
title: How to Use a Reference Layer While Creating Management Zones
description: There may be many different attributes that you want to use in order to create your management zones. Elevation, Soil Type, Organic Matter, etc.
---
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# How to Use a Reference Layer While Creating Management Zones
## There may be many different attributes that you want to use in order to create your management zones. Elevation, Soil Type, Organic Matter, etc.
1. Once on the Management Zone page, click the "+New" button for the field in which you want to work with if it has no Management Zone created and select "Empty Zones".
2. If you already have Management Zones created and want to use a reference layer, click on the "Edit" button.
3. Scroll down until you see the **Reference Layer** and click the "Add an overlay layer to the map" button
****
4. Select the **Year** and then if you want to reference the layer in Premier Precision or Premier Decision.
5. Then you will need to select an attribute in the **Layers** drop down.
1. Here are some of the possible layers for Premier Precision:
1. And Soils Layers available
| CountyName | SMS | SoilSubOrder |
| --- | --- | --- |
| CSR | SoilGrtGroup | StateName |
| Drainage | SOILNAME | TEXTURE |
| Map\_Code | SoilNameID | YldGoalCrn |
| SLOPE\_RANG | SoilOrder | YldGoalSB |
2. And Processed Layers available in Premier Precision: *(These can be seamlessly added to a management zone).*
| ASNT | KBaseSat | MgmtZoneSB | PHOSPHORUS | SoilGrtGroup |
| --- | --- | --- | --- | --- |
| CEC | KRem | NO3 | POTASSIUM | SOILNAME |
| CPU | KRem2Yrs | OM | PRem | SoilSubOrder |
| DEEP | MgmtZone | PH | PRem2Yrs | YieldGoalCorn |
| Elevation | MgmtZoneCorn | PHBUFFER | SHALLOW | YieldGoalSB |
6. Here are some of the possible layers for Premier Decision:
1. 1. 1. **Points**
1. 
2. 
2. **Processed Layer** *These can be added to management zones seamlessly.*
8. **Classifiers**
1. 1. Unique Values only have one option.
2. Attributes with numerical values that are not unique, will have three options:
1. Premier 10-20s
1. Lowest 10% in Red
2. 10 - 30% in Yellow
3. 30 - 50% in Orange
4. 50 - 70% in Light Green
5. 70 - 90% in Green
6. Highest 10% in Dark Green
2. Equal Interval
1. Equal Interval is equal interval of VALUES not Acres.
2. Maximum of 6 Intervals is allowed.
3. Defined Ranges
1. Use the drop down and find one that has been **Previously Saved**.
2. Create a **New** one.
3. Once satisfied, click the "Add Overlay Layer" button to add it to the map.
4. You can now use this data for creating your Management Zones.
If you have any questions, contact your advisor support representative.
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