Welcome to the community @rrubino . I’m not sure I understand the question. The AW (Available Water) and Area are completely unrelated parameters. If you haven’t found these two links, I recommend giving them a read to see if they help with what you’re trying to do.
1st - Dialing in your soil:
I found through my own experience that setting an incorrect soil type can have a dramatic impact on the watering duration and frequency of flex schedules. I’d lived in my home for 22 years and always assumed we had a lot of clay in our desert soil. Through these forums I found that was not the case, and instead we have sandy loam. Changing that setting really had a big impact on my scheduling.
Finding out your soil type can be confusing, but I personally found the USDA Web Soil Survey site t…
2nd - Dialing in your drip:
I put together a calculator for precipitation rate (PR) and area of emitter systems that do not have continuos, evenly spaced emitters. The calculator is complete, and includes the link to the Web Soil Survey instructions as well. The calculator is easy to use, but please read the notes above the calculator to be sure you give it the right data. The information below the calculator is just a description of the equations involved, so ignore that part of you don’t care for the details.
Please …
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