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.
Canopeo
FreeiOS
3 publications
Evidence Tier:PROVEN
Measures green canopy cover percentage from mobile photos, helping agricultural professionals and researchers monitor crop progress with exceptional accuracy.
Oklahoma State UniversityHorticulture & Crop Science
Leaf Doctor
FreeiOS
1 publication
Evidence Tier:VALIDATED
Mobile app for researchers and agriculturists to quantify plant disease severity by analyzing smartphone images of leaves with high accuracy.
University of HawaiiHorticulture & Crop Science
MOTT ENT Post-op Tonsillectomy
FreeiOS
1 publication
Evidence Tier:VALIDATED
MOTT ENT Post-op Tonsillectomy provides caregivers with post-operative guidelines and personalized pain management regimens following pediatric tonsillectomy procedures successfully.
University of MichiganClinical Tools & Monitoring
NDSU Nitrogen Calculator
FreeiOS
4 publications
Evidence Tier:VALIDATED
NDSU Nitrogen Calculator provides North Dakota farmers optimal nitrogen fertilizer rates using economic models from field experiments, reducing environmental runoff.
North Dakota State UniversityHorticulture & Crop Science
Farming Basics
FreeiOS
1 publication
Evidence Tier:EVALUATED
Farming Basics provides small and beginning farmers with crop information, pest management tactics, and fertilizer and irrigation calculators from Alabama Extension.
Alabama Cooperative Extension SystemHorticulture & Crop Science
Crop Water
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Crop Water estimates soil water status from in-field sensors and helps agricultural producers schedule irrigation to avoid over-watering and optimize crop.
University of Nebraska-LincolnHorticulture & Crop Science
DISCS - Drought Information
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
DISCS enables agricultural stakeholders to report local drought impacts to NASA, helping validate satellite data and improve national drought assessment accuracy.
NASAEarth & Environmental Sciences
GrassSnap
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Mobile application for rangeland managers to monitor pasture changes through repeatable photo-documentation, enabling comparison over time.
University of Nebraska-LincolnForestry & Conservation
GrazeOK
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Decision support tool calculating stocking density and grazing days based on on-site measurements of forage height and cover.
Oklahoma State UniversityAnimal & Dairy Science
Gypsum Requirement
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Calculator for land managers determining correct gypsum amounts needed to remediate sodic soils by displacing excess sodium affecting structure.
North Dakota State UniversityHorticulture & Crop Science
Irrigation App
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Irrigation App provides farmers and irrigators decision-support recommendations on when and how much water to apply to meet crop requirements.
Michigan State UniversityHorticulture & Crop Science
Midwest Stink Bug
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Midwest Stink Bug helps farmers and homeowners identify and report invasive stink bugs threatening regional agriculture with research-backed sampling plans.
Purdue UniversityHorticulture & Crop Science
NDAWN Inversion
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
NDAWN Inversion alerts agricultural professionals when atmospheric conditions are unsuitable for pesticide application to prevent spray drift.
North Dakota State UniversityHorticulture & Crop Science
NDSU Grazing Calculator
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Tool for ranchers to establish appropriate stocking rates by estimating carrying capacity of grazing resources.
North Dakota State UniversityAnimal & Dairy Science
Purdue Tree Doctor
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Purdue Tree Doctor helps landscape professionals and homeowners identify and manage tree problems by matching symptoms to a photo library.
Purdue UniversityHorticulture & Crop Science
Reduce Bee Poisoning from Pesticides
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Lets farmers, beekeepers, and applicators search pesticides and view color-coded bee toxicity ratings for informed decisions across Pacific Northwest.
Oregon State UniversityForestry & Conservation
Vineyard Growth
FreeiOS
1 publication
Evidence Tier:DOCUMENTED
Vineyard Growth helps vineyard managers distinguish causes of stunted grapevine growth using visual guides to identify damage sources.
Oregon State UniversityHorticulture & Crop Science