Can you tell me where to get a soil test for my small hayfield?
I want to use only the amount of chemical fertilizer that is necessary.
Deschutes County Oregon
Here is a great resource for you https://smallfarms.oregonstate.edu/soil-testing
This webpage has the soil labs that serve Oregon, how to take the sample, and when you get the results back - how to interpret them.
Please let us know if you need any additional help.