Collection
Apps for Farmers & Crop Advisers
Nitrogen calculators, pest alerts, soil analysis, and crop monitoring tools developed by land-grant universities and USDA researchers. Built for the field, not the app store.
Protein Supplement Calculator
FreeiOS
Evidence Tier:TRUSTED
Protein Supplement Calculator helps cattle producers compare feed supplement costs, balance protein rations, and calculate optimal breeding dates.
Utah State UniversityAnimal & Dairy Science
Purdue Extension Corn Field Scout
PaidiOS
Evidence Tier:TRUSTED
Purdue Extension Corn Field Scout helps grain producers and crop advisers identify pests, diagnose issues, and calculate seeding and fertilizer needs.
Purdue UniversityHorticulture & Crop Science
Purdue Extension Corn Field Scout Preview
FreeiOS
Evidence Tier:TRUSTED
Mobile reference for corn growers and advisors to identify pests, diagnose nutrient deficiencies, and calculate seeding rates in field.
Purdue UniversityHorticulture & Crop Science
Purdue Extension Soybean Field Scout
PaidiOS
Evidence Tier:TRUSTED
Comprehensive mobile reference equipping soybean growers and crop advisers with pest identification, crop diagnostics, and production metric calculation tools.
Purdue UniversityHorticulture & Crop Science
Purdue Extension Soybean Field Scout Preview
FreeiOS
Evidence Tier:TRUSTED
Purdue Extension Soybean Field Scout gives farmers tools to identify pests, diagnose plant health, and make soybean management calculations.
Purdue UniversityHorticulture & Crop Science
Purdue Shrub Doctor
FreeiOS
Evidence Tier:TRUSTED
Identifies shrub problems by matching plant damage photos to database images; provides management recommendations for landscape professionals and arborists.
Purdue UniversityHorticulture & Crop Science
Purdue Tomato Doctor
PaidiOS
Evidence Tier:TRUSTED
Purdue Tomato Doctor helps gardeners diagnose plant issues using nearly 500 images, providing unbiased recommendations and avoiding unnecessary pesticide use.
Purdue UniversityHorticulture & Crop Science
Purdue Turf Doctor
PaidiOS
Evidence Tier:TRUSTED
Guides homeowners and lawn professionals through visual diagnosis of turf problems from weeds, insects, and diseases, offering science-based management recommendations.
Purdue UniversityHorticulture & Crop Science
Remote Beef Grading
FreeAndroid
Evidence Tier:TRUSTED
Allows small beef processors to submit smartphone carcass photos for official USDA quality grading, making affordable assessment accessible remotely.
United States Department of AgricultureAnimal & Dairy Science
SMART
FreeAndroid
Evidence Tier:TRUSTED
SMART tracks manure spreading paths, identifies prohibited zones for compliance, and sends data to SnapPlus nutrient management software for record-keeping.
University of Wisconsin-MadisonHorticulture & Crop Science
Weather Alert App
FreeiOS
Evidence Tier:TRUSTED
Delivers real-time weather data, location-based alerts, and agricultural decision tools to Kentucky farmers and residents; free nationwide for anyone.
University of KentuckyForestry & Conservation
Wildlife Food Plots
FreeiOS
Evidence Tier:TRUSTED
Wildlife Food Plots gives landowners plant recommendations with seeding rates to attract wildlife and plan habitat management for their specific goals.
Oklahoma State UniversityForestry & Conservation