How to Scout Your Fields With TerrAvion Imagery in the SST Sirrus App
9. Change the Number Of Classes to 3. Click Apply to Layer
10. When you click Apply to Layer, you will see that your NDVI imagery is now broken into three zones. Note the acres of each zone.
11. Next, click the Options menu in the top right corner of the screen and select Scout With Image.
12. In the scouting window, click Settings in the top left corner of your screen.
13. In the Settings menu, click Scouting Type and select Point.
14. Click Back and then Done
15. Identify your scouting zones
a. Select at least 3 vigor points to scout
i. Low vigor
ii. Medium Vigor
iii. High Vigor
16. Drop a pin in each of your scouting points
a. To drop a scouting pin, long press (touch and hold) on the screen where you wish to place
17. Drive to the field you intend to scout and use the GPS beacon to navigate to the location of your pin.
18 While scouting in field you can drop a GPS point at your exact geographic location by clicking the blue Drop a GPS Point button.
19. When you navigate to one of your pins, click on the pin to open the scouting notes window.
20. At the bottom of the scouting notes window, you can choose which issue you are scouting for. By
default you will always start on the genera Crop Info tab.
21. Enter your crop information into the boxes.
22. You can also take photos of what you observing in the field at your scouting point
a. You can take a photo or upload one from your devices photo library
b. Click on the camera icon.
c. Select Take Photo to take a new photo.
d. Select iPad/iPhone Photos to upload a photo from your device.
23. When scouting your field and points, if you identify a specific issue such as weeds, insects,
disease, crop damage or fertility needs, drop a pin if one does not yet exist, and select the
corresponding tap at the bottom of the scouting window.
24. When you select an issue, such as weeds, you will be prompted to enter information about the
25. Enter the specific information about the issue you are scouting, e.g. weeds: weed type, density,
stage, height and count
26. You can also make general scouting notes by clicking the General tab at the top of the scouting
27. Complete your scouting at each sample point
28. Project your results across the entire field
a. Note the acreage of your zones
i. Zone 1 - Low Vigor
1. 46.94 Acres
ii. Zone 2 - Medium Vigor
1. 42.98 Acres
iii. Zone 3 - High Vigor
1. 43.77 Acres
b. Align your scouting results with the acreage of each zone
i. E.g. If you were conducting stand counts and you recorded 5,000
plants/acre in Zone 1, 7,000 plants/acre in Zone 2, and 9,000 plants/acre in Zone 3:
1. 46.94(5,000) = 234,700
2. 42.98(7,000) = 300,860
3. 43.77(9,000) = 393,930
a. Total approximate stand count = 929,490 plants
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