Crop Nutrition Apps

FABE 552.02
Agriculture and Natural Resources
Date: 
05/25/2018
Ellie Logan, Jenna Lee, Elizabeth Landis, Sam Custer, Amanda Bennett, John Fulton, Kaylee Port, and Elizabeth Hawkins

The number of mobile applications (e.g. Apps) developed and offered to support nutrient management continues to grow. Many of these Apps can provide important information at the farm level. The following list of Apps represents many used by farmers or their agronomic consultants to help with nutrient management including planning, scouting, evaluating stress, and executing field applications. This list is not comprehensive but provides common and mostly free Apps.

Nutrient Information and Calculators

App Details
Fertilizer Removal by Crop
Fertilizer Removal by Crop app icon
Available from: Ag PhD
Operating system: Android / iOS
Description: A guide to discovering the vital nutrient amounts critical to attaining optimum yield for the selected crop. Save result and use for later reference.
Cost: Free
Account needed? No
Ag PhD Deficiencies
App icon for Ag PhD Deficiencies
Available from: Ag PhD
Operating system: Android / iOS
Description: A guide to identifying fertility issues in the field. Content includes a complete list of photos and descriptions of the nutrient deficiencies in a variety of crops.
Cost: Free
Account needed? No
HumaGro
App icon for HumaGro
Available from: Bio Huma Netics Inc.
Operating system: Android
Description: Calculate nutrition products and application rates based on lab analysis and info sheets. View fact sheets to allow for easy calculations, and save calculations for later and access product technical documents.
Cost: Free
Account needed? No
Fertilizer Blend Calculator
App icon for Fertilizer Blend Calculator
Available from: Wilde Brothers Farms Ltd.
Operating system: iOS
Description: A calculator to determine the proper fertilizer blend weights and costs as well as various weights and volumes of net elements in the blend.
Cost: $4.99
Account needed? Yes
Yara CheckIT
App icon for Yara CheckIT
Available from: Yara International ASA
Operating system: iOS
Description: Quickly identify possible nutrient deficiencies. CheckIT has been designed to operate in rural locations with low signal strength.
Cost: Free
Account needed? Yes
Crop Nutrient Removal Calculator
App icon for Crop Nutrient Removal Calculator
Available from: International Plant Nutrition Institute
Operating system: iOS
Description: Estimate crop nutrient removal for a variety of crops.
Cost: Free
Account needed? No
Farm Calculators
App icon for Farm Calculators
Available from: Dr. Vishwanath Koti
Operating system: Android
Description: Calculate fertilizers (NPK), pesticides, fungicides, herbicides, plant population, seed rate, and seed blending to ensure optimal yields.
Cost: Free
Account needed? No
NPK Credits – Manure & Legume Nutrient Credit Calculator
App icon for NPK Credits
Available from: University of Wisconsin Nutrient and Pest Management Program
Operating system: Android / iOS
Description: Calculate the plant-available nitrogen (N), phosphorus (P2O5), potassium (K2O), and sulfur (S) nutrient credits of manure from various livestock species that are applied to cropland fields. One can also calculate the N credit available to crops that follow forage legumes in the rotation.
Cost: Free
Account needed? No
Corn N Rate Calculator
App icon for Corn N Rate Calculator
Available from: University of Wisconsin Nutrient and Pest Management Program
Operating system: Android / iOS
Description: Assists producers in selecting a nitrogen (N) rate that improves profitability when nitrogen and corn prices fluctuate.
Cost: Free
Account needed? No
N Price Calculator
App icon for N Price Calculator
Available from: University of Wisconsin Nutrient and Pest Management Program
Operating system: Android / iOS
Description: Converts the price of individual nitrogen fertilizer sources from price per ton to price per pound of N.
Cost: Free
Account needed? No
Fertilizer Calculator n2f
App icon for Fertilizer Calculator n2f
Available from: ICAR CCARI
Operating system: Android
Description: Calculate nutrient-to-fertilizer values completely offline.
Cost: Free
Account needed? No
Fertilizer Mixing Calculators
App icon for Fertilizer Mixing Calculators
Available from: FKmicro.com
Operating system: Android
Description: Access fertilizer facts instantly on Android. Reduce cost with our mobile app to get knowledge like a fertilizer manufacturer on your hand phone, easy to use, make sense, everyone can use.
Cost: Free
Account needed? No
Blend Calculator
App icon for Blend Calculator
Available from: Travis Redpath
Operating system: Android
Description: Calculates the fertilizer blend and the total application rate needed to apply the required amount of nitrogen, phosphate, potash, and sulphate. The products can be changed to whatever ratios you want to use.
Cost: Free
Account needed? No
GreenSeeker Data Logger
App icon for GreenSeeker Data Logger
Available from: Oklahoma State University
Operating system: Android
Description: Supports data collecting of NDVI data with a Trimble GreenSeeker handheld crop sensor. *Requires GreenSeeker handheld sensor for data collection. 
Cost:
Free
Account needed? No
SoluDrip (Just in Time Crop Nutrition)
App icon for SoluDrip (Just in Time Crop Nutrition)
Available from: Vital Fertilizers
Operating system: Android / iOS
Description: Find the exact amount of nutrition for the crop at whichever stage of its life it’s at. *Primarily used for vegetable production.
Cost:
Free
Account needed? No
MRTN/Nitrogen Application Calculator
App icon for MRTN Nitrogen Application Calculator
Available from: University of Illinois
Operating system: iOS
Description: The Maximum Return To Nitrogen (MRTN) calculations combine the agronomics of nitrogen rate research and the realities of economic fluctuations to provide a customized nitrogen rate.
Cost: Free
Account needed? No
Fertilizer Cost Calculator
App icon for Fertilizer Cost Calculator
Available from: Jeffrey Abbott
Operating system: Android / iOS
Description: Estimates the value of nitrogen per unit of phosphorus source, along with the cost per unit of P2O5 with or without the nitrogen value. All calculations based on entered cost per bulk.
Cost: Free
Account needed? No
Potato Potassium Calculator
App icon for Potato Potassium Calculator
Available from: Great Salt Lake Minerals
Operating system: Android
Description: Potato Uptake Calculator can be used to estimate how much potassium your potatoes remove from the ground and how much you need to apply to replenish the loss.
Cost: Free
Account needed? No
Alfalfa Potassium Calculator
App icon for Alfalfa Potassium Calculator
Available from: Great Salt Lake Minerals
Operating system: Android
Description: Use the Alfalfa Uptake Calculator to estimate how much potassium your alfalfa crops remove from the ground and how much you need to apply to replenish the loss.
Cost: Free
Account needed? No
Illinois Manure Calculator (Beta)
App icon for Illinois Manure Calculator
Available from: Move Creative
Operating system: Android / iOS
Description: Developed for the Illinois-specific manure plan rules, enabling a livestock producer to quickly balance manure applications with field crop nutrient needs. It automates the planning worksheet that Illinois livestock producers learn in the Certified Livestock Manager Training workshops.
Cost: Free
Account needed? No
Spread Charts
App icon for BOGBALLE Spread Charts
Available from: BOGBALLE A/S
Operating system: Android / iOS
Description: The BOGBALLE Spread Charts app will give you quick access to our online database with thousands of available spread charts for your BOGBALLE fertilizer spreader.
Cost: Free
Account needed? No
Organic Calc
App icon for Organic Calc
Available from: minskaysoft
Operating system: iOS
Description: Check and adjust the application rate, while working with a manure spreader or slurry tank. With the built-in GPS receiver of the iPhone, one can measure the distance and the resulting surface, just by pressing a button while driving. Measurement disruptions are also possible.
Cost: $8.99
Account needed? No
Nitrogen Index
App icon for Nitrogen Index
Available from: USDA-ARS
Operating system: Android
Description: The Nitrogen Index App can be used to quickly make assessments of the effects of management decisions on nitrogen use efficiencies.
Cost: Free
Account needed? No
Echelon
App icon for Echelon
Available from: Agrian Inc.
Operating system: iOS
Description: Mobile companion to the web application that provides crop advisors, consultants, and growers with a suite of precision agronomy and compliance tools.
Cost: Free
Account needed? Yes
TigerSul
App icon for TigerSul
Available from: Tiger-Sul Products LLC
Operating system: Android / iOS
Description: The Tiger-Sul Nutrient Calculator is an agronomic planning tool for farmers to plan fertilizer applications and meet soil nutrient needs. Users select a crop and the desired yield for that crop; and are given the amount of crop nutrients that will be needed. The nutrient calculator covers all key crops including corn, canola, and soybeans.
Cost: Free
Account needed? No
AgriSpread
App icon for AgriSpread
Available from: Armour Interactive
Operating system: Android / iOS
Description: The rate table feature allows the user to search application rate charts for the appropriate machine settings based on spread width, required rate, and fertilizer type. A second feature, the fertilizer application rate calculator is also included, enabling the farmer to carry out a physical testing procedure to check the actual rate.
Cost: Free
Account needed? No
CAT
App icon for BASF CAT
Available from: BASF plc
Operating system: iOS
Description: The BASF CAT is a tool designed to help Farmers and Crop Advisors protect the yield of winter cereals by assessing crop nitrogen content and crop lodging risk.
Cost: Free
Account needed? No
ATP R3 App
App icon for ATP R3
Available from: Sherpa Digital
Operating system: Android / iOS
Description: This app incorporates the latest in plant nutrition research to identify important nutrients across all stages of crop growth, understand the role nutrients play, identify products to increase crop health and yield, understand required rates and tank mix compatibilities, view photos of deficiency symptoms, and view nutrient uptake and removal levels.
Cost: Free
Account needed? No
FertiMatch
App icon for FertiMatch Haifa
Available from: Haifa Group
Operating system: Android / iOS
Description: Determine the right amount of fertilizers needed to get a desired nutritional composition. The grower inserts details about their fertigation control head, defines a reference element and concentration, and selects fertilizers. The output simply tells what quantity of fertilizer is needed, and what will be the concentration of nutrients in the irrigation water.
Cost: Free
Account needed? No
Teagasc
App icon for Teagasc
Available from: Teagasc
Operating system: Android / iOS
Description: Provides access to selected Teagasc information and in-App calculators. It is an interactive tool that farmers can use to track fertilizer usage against their fertilizer plan. Track yearly allowances, purchases, and opening stock to keep a record of nutrient purchases.
Cost: Free
Account needed? No
Manure Valuator
App icon for Manure Valuator
Available from: University of Arkansas
Operating system: Android / iOS
Description: Helps producers calculate the dollar and nutritive value of manure and allow them to share results via email. Users have access to a bulk cost calculator to determine cost per pound of nitrogen, phosphorus, and potassium from inorganic fertilizers and a database consisting of nutritive value of 18 different sources of manure, which allows user input for custom values for wet and dry manures.
Cost: Free
Account needed? No
Cow Poop Analyzer
App icon for Cow Poop Analyzer
Available from: Texas A&M AgriLife Extension Service
Operating system: Android / iOS
Description: Cow poop photographs are compared with stock photos to determine the approximate crude protein and digestibility of forage/food.
Cost: Free
Account needed? No
Ammonia Loss
App icon for Ammonia Loss
Available from: Oklahoma State University
Operating system: iOS
Description: Accurate estimates of ammonia volatilization losses from surface applications of urea in agriculture. Estimates are in percent of the total N rate applied.
Cost: Free
Account needed? No
GreenSeeker N Rate Calc
App icon for GreenSeeker N Rate Calc
Available from: Oklahoma State University
Operating system: iOS
Description: This application hosts sensor-based nitrogen recommendation algorithms which have been developed by researchers in each respective region. The calculations are based upon NDVI values retrieved from the GreenSeeker Sensor. The GreenSeeker is an active light sensor. It would be expected the NDVI from other active sensors would be similar, but potentially not exactly the same.
Cost: Free
Account needed? No
Return on Nitrogen Investment
App icon for Return on Nitrogen Investment
Available from: Oklahoma State University
Operating system: iOS
Description: This app is designed as a tool in determining economic nitrogen (N) rates. This calculator determines the return on investment (ROI) of N fertilizer for multiple crops under two different scenarios. The first scenario is that yield fertilized for is not realized. The other scenario is if the producer underfertilizes for the environment.
Cost: Free
Account needed? No
North Dakota Crop Nitrogen Calculator
App icon for North Dakota Crop Nitrogen Calculator
Available from: North Dakota State University
Operating system: Android / iOS
Description: This application provides three NDSU crop nitrogen recommendation calculators for use in North Dakota corn, spring wheat, and corn, respectively. Nitrogen recommendation calculations are based on an economic production function that takes into account the yield response of the crop to added N, less the cost of the N. The recommendation is based not only on the yield increase from additional N, but the price of the commodity and the cost of N.
Cost: Free
Account needed? No
Canola Starter
App icon for Canola Starter
Available from: Oklahoma State University
Operating system: Android / iOS
Description: This app calculates the maximum amount of fertilizer that should be applied with winter canola seed at planting based upon row spacing and fertilizer source.
Cost: Free
Account needed? No
NPK FieldGuide
App icon for NPK Field Guide
Available from: Oklahoma State University
Operating system: iOS
Description: Oklahoma Nutrient Management Field Guide App is a mobile version of a printed handbook. Within this app users have access to nutrient removal values, a nutrient deficiency identification tool, fertilizer calculations for all of the major crops grown with Oklahoma and information on fertilizer sources and using the N-Rich Strip and GreenSeeker Sensor.
Cost: Free
Account needed? No
Wheat SBNRC
App icon for Wheat SBNRC
Available from: Oklahoma State University
Operating system: Android / iOS
Description: Sensor based nitrogen N rate calculator for winter wheat. Active normalized difference vegetative index (NDVI) sensors are highly accurate in predicting plant biomass. By utilizing biomass produced per day, yield levels of cereal crops can be predicted. By using the predicted yield level, accurate N rates can then be determined from the mid-season NDVI readings.
Cost: Free
Account needed? No

Equipment Setup

App Details
ApplyPlus
App icon for Apply Plus John Deere
Available from: John Deere
Operating system: Android / iOS
Description: Provides the ability to optimize machine set-up and maintenance procedures. Currently for 4 Series JD sprayers.
Cost: Free
Account needed? Yes
AgLogic Mobile
App icon for Ag Logic Mobile
Available from: John Deere
Operating system: Android / iOS
Description: A complete logistics solution for custom application that syncs with the AgLogic web application. *Requires license to activate account.
Cost:
Free
Account needed? Yes
Rauch Fertilizer Chart
App icon for Rauch Fertilizer Chart
Available from: RAUCH Landmaschinenfabrik GmbH
Operating system: Android / iOS
Description: Provides spreading charts for current and older RAUCH fertilizer spreaders.
Cost: Free
Account needed? Yes
New Leader
Mobile

App icon for New Leader Mobile
Available from: New Leader
Operating system: Android / iOS
Description: Assists users and dealers in conducting a conveyor or catch calibration and determines calibrated CFR or Constant Number. Determines initial settings based off product characteristics.
Cost: Free
Account needed? Yes

Nozzle and Orifice Selection

App Details
TeeJet SpraySelect
App icon for Tee Jet Spray Select
Available from: TeeJet Technologies
Operating system: Android
Description: Enter speed, spacing and target rate, select the drop size category; a list of tips that will work is generated.
Cost: Free
Account needed? Yes
Spray It
App icon for Spray It
Available from: Pentair Flow Technologies LLC
Operating system: Android / iOS
Description: Select the chemical company and name of the chemical applying, a nozzle to use based on the application information on the label will be recommended. Growers can also input application rate, speed, and nozzle spacing and a nozzle size for that specific application will be recommended.
Cost: Free
Account needed? No
Kuhn-Nozzle Configurator
App icon for Kuhn Nozzle Configurator
Available from: KUHN
Operating system: Android
Description: Select the correct sprayer nozzle for specific application requirements, such as working speed, flow rate, etc.
Cost: Free
Account needed? No
Spray Tips Guide
App icon for Ag PhD Spray Tip Guide
Available from: Ag PhD
Operating system: Android / iOS
Description: A guide to select the proper nozzle for the equipment being used. Select nozzle by chemical company or name of the chemical being applied and receive suggestions based on the label application information. Change the application rate, speed, and nozzle spacing for more precise suggestions.
Cost: Free
Account needed? No

Record Keeping

App Details
OnMRK
App icon for OnMRK
Available from: KCFB & KSWCD
Operating system: Android / iOS
Description: Enter the fertilizer type, rate, amount applied, total acres, soil conditions, application method, weather conditions when applied, using a tablet or smartphone. *Desktop version is needed. *Must have a Certified Applicator ID to register.
Cost: Free
Account needed? Yes
Critical Records of Production (C.R.O.P.)
App icon for Critical Records of Production
Available from: Utah State University
Operating system: Android / iOS
Description: Track important crop production records, such as crop history, yields, fertilizer applications, pesticide applications, and irrigation events.
Cost: Free
Account needed? No
Pesticide and Field Records
App icon for Pesticide and Field Records
Available from: Iowa State University
Operating system: Android / iOS
Description: Record and maintain pesticide applications, link to specific field locations using satellite mapping, and keep other important crop production information with the Pesticide and Field Records app.
Cost: Free
Account needed? No
AgDNA
App icon for Ag DNA
Available from: AgDNA
Operating system: Android / iOS
Description: Provides farm planning, record keeping, boundary mapping, worked area mapping, live equipment tracking, scouting observations, communication tools, data sharing and more. All data is synchronized with a free online AgDNA account allowing activity records and setup details to be viewed from a web browser or any other AgDNA enabled device.
Cost: Free
Account needed? Yes
Farm At Hand
App icon for Farm At Hand
Available from: Farm At Hand Inc.
Operating system: Android / iOS
Description: Track and schedule all field activities with precision. Manage your fleet on the go and follow all equipment details, maintenance logs, and part numbers.
Cost: Free
Account needed? Yes

Soil Sampling

App Details
AgWorld Sampling
App icon for Ag World Sampling
Available from: AgWorld
Operating system: iOS
Description: Agworld soil collectors can easily view, complete, and submit sampling jobs assigned to them. *Note: This app requires a precision enabled Agworld account.
Cost:
Free
Account needed? Yes
Ag PhD Soils
App icon for Ag PhD Soils
Available from: Ag PhD
Operating system: Android / iOS
Description: Fast and accurate soil test tool. Lab results come in 5–7 days, aerial imagery of your field, test as much as you want, and pay as you test. Generate variable rate prescriptions, download recommendations and controller files. *Pay to have soil tests sent to Midwest Laboratories.
Cost: Free
Account needed? No
360 Soilscan
App icon for 360 Soilscan
Available from: 360 Yield Center
Operating system: iOS
Description: A portable soil lab that provides soil nitrate and pH analysis to enable more accurate and timely nutrient management.
Cost: Free
Account needed? Yes
Sirrus
App icon for Sirrus
Available from: SST Software Inc.
Operating system: iOS
Description: Manage the soil on your fields efficiently and with precision. Sirrus for iPad has what is needed for intensive soil sampling services so you can make informed fertility decisions. Upgrade to Premium to edit recommendations in the field and to make treatment adjustments.
Cost: Free
Account needed? Yes
Soil Test Pro
App icon for Soil Test Pro
Available from: TapLogic, LLC
Operating system: Android / iOS
Description: Use Soil Test Pro to order soil sampling supplies, pull precision soil samples, choose a lab from our recommended list, and ship your samples.
Cost: Free
Account needed? Yes
Sampling Pro 2.0
App icon for Sampling Pro 2.0
Available from: CSBP Limited
Operating system: Android / iOS
Description: Submit your CSBP Soil and Plant sample at the tap of a button. Send your soil and plant sample information straight to the CSBP lab, record your GPS coordinate and view location on Google Maps. Built-in barcode scanner to match each sample bag with the app’s Paddock Information Form.
Cost: Free
Account needed? Yes

Field Data Management

App Details
Ohio State PLOTS
App icon for Ohio State PLOTS
Available from: OCV, LLC
Operating system: Android / iOS
Description: Create replicated on-farm trials to compare hybrids, fertilizer rates, stand counts, and more. Provides statistical comparisons and summary reports.
Cost: Free
Account needed? No
FieldView
App icon for Field View
Available from: The Climate Corporation
Operating system: Android / iOS
Description: Connected suite of digital ag tools. Tracks rainfall, field health, nitrogen status, yield analysis, and recent activities. Includes delivery of weather information. Paid subscription required to access some functionality.
Cost: Free
Account needed? No
FieldView Cab
App icon for Field View Cab
Available from: The Climate Corporation – US 
Operating system:
Android / iOS
Description: Digital tool for visualizing planter and harvest field data while supporting field scouting, imagery, and soil data layers.
Cost: Free
Account needed? No

News and Information

App Details
AgriGold We Know Corn
App icon for Agri Gold We Know Corn
Available from: AgReliant Genetics, LLC
Operating system: iOS
Description: View crop and soil research studies, periodicals, and videos; it can also send results of yields instantly through email and much more.
Cost: Free
Account needed? No
AgWeb News & Markets
App icon for Ag Web News and Markets
Available from: Farm Journal, Inc.
Operating system: Android / iOS
Description: Provides the latest agribusiness news and advice. Read ag management news, farm business blogs and articles from one trusted source.
Cost: Free
Account needed? No
Farm Futures
App icon for Farm Futures
Available from: iNet Solutions Group
Operating system: Android / iOS
Description: The power of Farm Futures magazine in an app! This enhanced mobile presentation of the leading management-oriented farm magazine features enhanced user-customized markets, market commentary, news and audio updated every business day.
Cost: Free
Account needed? No
agIndex
App icon for ag Index
Available from: Monsanto Company
Operating system: Android / iOS
Description: Get all the markets, weather, news, and exclusive agronomic advice, in one quick-to-read dashboard. Receive push notifications customized to your location and crop portfolio to keep up with commodity pricing and insect and weather alerts.
Cost: Free
Account needed? No
Real Agriculture
App icon for Real Agriculture
Available from: RealAgriculture.com
Operating system: Android / iOS
Description: RealAgriculture is focused on the issues that are impacting agriculture. The app allows you to pick interests that are important to your operation and only see articles related to your interests. You can also save articles to read later or for offline reading.
Cost: Free
Account needed? No
Ag Mobile
App icon for Ag Mobile
Available from: Barchart
Operating system: Android
Description: The AgMobile app is a collaboration of AgriCharts (a division of Barchart) and Successful Farming. Access commodity markets, news, and weather on-the-go from the convenience of your mobile device.
Cost: Free
Account needed? No
Farm Journal On-Air
App icon for Farm Journal On Air
Available from: Farm Journal, Inc
Operating system: Android / iOS
Description: Source for AgriTalk, AgDay, Market Rally, U.S. Farm Report, Machinery Pete TV, and so much more. Watch and listen to full episodes or find your favorite highlights and the latest news.
Cost: Free
Account needed? No
Brownfield
App icon for Brownfield
Available from: Brownfield Ag News
Operating system: Android / iOS
Description: Provides instant access to customized weather and futures market prices, as well as the latest agriculture news, and unique audio updates from the Brownfield Ag.
Cost: Free
Account needed? No
Argus Publications
App icon for Argus Publications
Available from: Argus Media Group
Operating system: Android / iOS
Description: Provides access to critical market reporting and pricing. *Must have subscription or trial with Argus Direct account login.
Cost: Free
Account needed? Yes
Gavilon Grain
App icon for Gavilon Grain
Available from: iNet Solutions Group, Inc.
Operating system: Android / iOS
Description: Up-to-date weather, cash bids, news and market information provided by your local Gavilon facility.
Cost: Free
Account needed? No
Growers Edge
App icon for Growers Edge
Available from: iNet Solutions Group, Inc.
Operating system: Android / iOS
Description: Access weather pinpointed to an individual field while locating best cash price bids within 100 miles of a location. Users can also receive local market commentary and ag news, compare risk management options, and fully utilize the Profit Manager tool to establish profit goals, edit input costs, record marketing transactions, and track profit by crop and year.
Cost: Free
Account needed? Yes
Farm Progress
App icon for Farm Progress
Available from: iNet Solutions Group, Inc.
Operating system: Android / iOS
Description: Keep up on local ag news, grain and livestock markets, enhanced weather and blogs. The app automatically directs one to the right local Farm Progress website, or you can choose your favorite.
Cost: Free
Account needed? No
AgWired
App icon for Ag Wired
Available from: ZimmComm New Media
Operating system: Android / iOS
Description: AgWired is an online community for everyone involved in agricultural marketing and communications, including farmers, ranchers, agribusiness, farm groups, ag media, freelancers, and advertising and public relations agencies.
Cost: Free
Account needed? No
CVA Coop
App icon for CVA Coop
Available from: Cvacoop IT
Operating system: Android / iOS
Description: The CVA Coop app brings you real-time cash bid and futures prices, in addition to updated weather and the latest agricultural news.
Cost: Free
Account needed? No
FarmWeek
App icon for Farm Week
Available from: iNet Solutions Group, Inc.
Operating system: Android / iOS
Description: Provides farmers with the latest information about agriculture from the staff at FarmWeek, RFD Radio Network, and Illinois Farm Bureau’s News and Communications division.
Cost: Free
Account needed? No

Weather

App Details
The Weather Channel
App icon for The Weather Channel
Available from: The Weather Channel
Operating system: Android / iOS
Description: View local and national forecasts, current weather conditions, and weather maps.
Cost: Free
Account needed? No
AccuWeather: Weather Forecast & Real Time Reports
App icon for Accu Weather
Available from: Accuweather
Operating system: Android / iOS
Description: View minute-by-minute precipitation forecast, hyper-localized to your farm and field.
Cost: Free
Account needed? No
Weather Underground: Forecasts
App icon for Weather Underground Forecasts
Available from: Weather Underground
Operating system: Android / iOS
Description: View hyper-local weather forecasts in addition to interactive radar, satellite maps, and severe weather alerts.
Cost: Free
Account needed? No
Weather by WeatherBug
App icon for Weather Bug
Available from: WeatherBug
Operating system: Android / iOS
Description: Provides fast weather alerts while viewing real-time weather conditions and hourly forecasts.
Cost: Free
Account needed? No

Area Apps

App Details
GPS Fields Area Measure
App icon for GPS Fields Area Measure
Available from: Studio Noframe
Operating system: Android / iOS
Description: Provides area, distance, and perimeter measurement and management. Easily share maps and acreage information.
Cost: Free
Account needed? No
Planimeter – Measure Land Area & Distance on a Map
App icon for Planimeter
Available from: Core Signals
Operating system: Android / iOS
Description: Measure fields, circular regions, paths and perimeters. Add markers to pinpoint locations.
Cost: $7.99
Account needed? Yes

Acknowledgments
Thank you to the reviewers (Dr. Bruce Erickson–Purdue University, Dr. Brian Arnall–Oklahoma State University, Jason Hartschuh, Mike Estadt, Andrew Klopfenstein–The Ohio State University, David Scheiderer and J.D. Bethel–Integrated Ag Services) that have provided constructive feedback on this publication.

Visit The Ohio State University’s Precision Agriculture website http://precisionag.osu.edu and Agronomic Crops Network https://agcrops.osu.edu/ for additional information on nutrient management and stewardship.