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Frequently Asked Questions
Everything you need to know about using AcreLogic on your farm. Can't find what you're looking for? Send us a message.
Getting Started
It takes about 60 seconds. Go to your Dashboard, click "Add Field," give it a name, enter the zip code, select your crop type, choose a planting date, and save. AcreLogic will automatically start pulling weather data and accumulating GDUs for that field — no extra configuration needed.
There's no catch. AcreLogic is completely free for individual growers — no subscription tiers, no per-acre fees, and no trial expirations. We believe every farmer deserves access to better data without a monthly bill. We're a small team passionate about making precision ag accessible to operations of every size.
GDU & Crop Tracking
Growing Degree Units (also called Growing Degree Days) measure the heat accumulation your crop receives each day. Crops develop based on accumulated warmth — not calendar dates — so GDUs give you a far more accurate picture of where your crop stands in its lifecycle. AcreLogic tracks GDUs automatically for each field and shows you how close your crop is to key growth stages like VE, V6, Silking, Dent, and Maturity.
AcreLogic currently supports Corn, Soybeans, Winter Wheat, Cotton, Sorghum, and Peanuts. Each crop has its own base temperature and growth-stage thresholds built in, so you just select your crop and we handle all the math. We're actively adding support for more crop types — if there's one you'd like to see, let us know using the contact form!
AcreLogic pulls weather data from established, publicly available meteorological sources based on your field's zip code, matching it to the nearest reporting station. Daily high and low temperatures are used to calculate GDUs with the standard formula for each crop. While no weather data is perfect down to the row, our calculations are consistent with the same methods used by university extension services and agronomists.
Weather & Data
Yes! AcreLogic lets you overlay up to 10 years of historical GDU data on top of your current season. This makes it easy to see whether you're running ahead of or behind an average year and helps you make better-informed decisions about scouting, input timing, and harvest planning.
Not at all. AcreLogic automatically pulls daily temperature and precipitation data for each of your fields based on its zip code. There's nothing to configure, no manual data entry, and no need to check multiple weather websites. Just set up your field once and the data flows in on its own.
The Soil Moisture Stress Index is a water balance tool that answers the question 'Is my crop getting enough water?' each day. It works by estimating how much water your crop uses (evapotranspiration, calculated from daily temperatures and your crop's growth stage) and subtracting that from how much water it receives (rainfall). The result is a running surplus or deficit displayed on a chart with color-coded stress zones — green means adequate moisture, yellow means you should keep an eye on it, and red means your crop is likely under moisture stress. No soil sensors or extra equipment are needed — it's all calculated from weather data AcreLogic already collects.
Not at all. AcreLogic estimates your field's water balance using daily high and low temperatures and precipitation data that we're already collecting for each of your fields. The calculations use the industry-standard Hargreaves equation for evapotranspiration and FAO-56 crop coefficients tailored to your specific crop type and growth stage. While this isn't a replacement for a professional soil probe, it gives you a very solid estimate of whether your crop is water-stressed — completely free and with zero hardware to install.
Using the App
Absolutely. AcreLogic is fully responsive and works great on any phone, tablet, or computer browser. Whether you're in the cab of your tractor or sitting at the kitchen table, you'll have full access to your dashboard, GDU progress, weather data, and alerts.
Head to your Dashboard and tap the Alerts button. Choose a crop and a growth stage — like Silking for corn — and we'll notify you in the app as soon as that stage is forecasted for any of your fields, including the expected date. Want an email too? Just check the box. You can see all your past notifications by clicking the bell icon at the top of any page.
AcreLogic was built specifically for working farmers, not IT departments. The interface is clean, intuitive, and jargon-free. If you can check the weather on your phone, you can use AcreLogic. Most farmers are fully set up and tracking their fields within a couple of minutes.
The water balance chart shows a running total of precipitation minus crop water use (evapotranspiration) over the growing season. When the line is in the green zone (above -2 inches), your soil moisture is likely adequate. When it dips into the yellow zone (-2 to -4 inches), conditions are getting dry and you should monitor closely or consider irrigation if available. If the line drops into the red zone (below -4 inches), your crop is likely experiencing significant moisture stress. You can also compare your current season's water balance against historical averages to see if this year is unusually dry or wet.
Privacy & Security
We don't sell your field data or share it with seed companies or equipment manufacturers. AcreLogic is free to use and supported by locally relevant ads based on your region. Your operation details stay private, and we take that seriously. You can review our full privacy policy for complete details on how your data is handled.
Still Have Questions?
Drop us a message and we'll get back to you as quickly as we can.