Agricultural & Food Sciences
Horticulture & Crop Science
Berrigation
FreeAndroid
Evidence Tier:TRUSTED
Provides berry farmers and irrigators with crop-specific water application information to adapt to changes in available soil moisture.
Michigan State UniversityHorticulture & Crop Science
Crop Nutrients in Irrigation Water Calculator
FreeiOS
Evidence Tier:TRUSTED
Calculator estimates nutrient delivery per acre from irrigation water based on lab results, helping farmers adjust fertilizer management plans.
Oklahoma State UniversityHorticulture & Crop Science
FertAdvisor
FreeiOS
Evidence Tier:TRUSTED
FertAdvisor helps homeowners and turfgrass professionals calculate correct fertilizer amounts, calibrate equipment, and prevent lawn damage and environmental runoff.
University of ConnecticutHorticulture & Crop Science
Fruit Pest Finder
FreeiOS
Evidence Tier:TRUSTED
Searchable guide helping western U.S. fruit growers identify and manage 70+ pests and diseases with images and treatment recommendations.
Utah State UniversityHorticulture & Crop Science
Gardeners Almanac
FreeiOS
Evidence Tier:TRUSTED
Gardeners Almanac organizes seasonal yard and garden tasks into a monthly calendar for home gardeners in the Intermountain West region.
Utah State UniversityHorticulture & Crop Science
Grain Drill Calibration Calculator
FreeiOS
Evidence Tier:TRUSTED
Calculator helping agricultural producers calibrate grain drills and planters to determine correct seeding and fertilizer application rates for equipment.
Oklahoma State UniversityHorticulture & Crop Science
Grain Marketing Plan
FreeiOS
Evidence Tier:TRUSTED
Grain Marketing Plan helps farmers create corn, soybean, and wheat marketing strategies by sending price and time-based alerts to sell.
University of Nebraska-LincolnHorticulture & Crop Science
Ground Spray
FreeiOS
Evidence Tier:TRUSTED
Calculates spray quality and droplet size for pesticide applications, helping applicators and growers predict drift potential before spraying occurs.
University of Nebraska-LincolnHorticulture & Crop Science
Growing Degree Days Calculator
FreeiOS
Evidence Tier:TRUSTED
Growing Degree Days Calculator computes growing days for crops like wheat, corn, and cotton using temperature data from user's zip code.
Oklahoma State UniversityHorticulture & Crop Science
Intelligent Sprayer
FreeAndroid
Evidence Tier:TRUSTED
Intelligent Sprayer uses laser sensors scanning canopies to automatically adjust pesticide application, reducing chemical waste and environmental pollution.
United States Department of AgricultureHorticulture & Crop Science
IrrigMSU
FreeAndroid
Evidence Tier:TRUSTED
IrrigMSU helps farmers schedule watering by integrating local weather data with soil and crop information, offering alerts when moisture drops.
Michigan State UniversityHorticulture & Crop Science
Landscape MD
FreeiOS
Evidence Tier:TRUSTED
Landscape MD provides quick plant disease and pest diagnostics with searchable photos and solutions for Hawaii and subtropical gardeners and professionals.
University of HawaiiHorticulture & Crop Science
Plot Calculator
FreeiOS
Evidence Tier:TRUSTED
Provides unit converter, area calculator, and fertilizer rate calculator for small plot researchers to determine material needed per trial.
Oklahoma State UniversityHorticulture & Crop 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
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
SOW - A Planting Companion
FreeiOS
Evidence Tier:TRUSTED
SOW gives home gardeners location-specific planting schedules, crop information, and harvest tracking for USDA hardiness zones 6a through 9a.
Alabama Cooperative Extension SystemHorticulture & Crop Science