# Purdue Extension Corn Field Scout Preview

> Purdue Extension Corn Field Scout Preview (iPhone/iPad app by Purdue University.)

- Source: https://appshunter.io/ios/app/purdue-extension-corn-field-scout-preview/id1215001876 (this page in markdown: same URL + `.md`)
- Developer: [Purdue University](https://appshunter.io/developer/371741257)
- Category: Education, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 69 MB
- Languages: American English
- Released: 2017-03-16
- Data updated: 2026-09-03
- User reviews in markdown: https://appshunter.io/ios/app/purdue-extension-corn-field-scout-preview/id1215001876/reviews.md

## What is Purdue Extension Corn Field Scout Preview?

This is a free preview of the Purdue Extension Corn Field Scout. This app has limited functionality. If you like what you see, the fully functional version of the app is available for $5.99.

Growers and consultants have relied on the Purdue Extension Corn & Soybean Field Guide for more than 20 years. This is the perfect in-field reference that takes the popular guide to the next level. Purdue University specialists created this comprehensive, science-based app to help you effectively manage corn production.

The Purdue Extension Corn Field Scout provides built-in calculators for seeding rates, estimating yield loss, limestone recommendations, nitrogen recommendations, phosphorus recommendations, and potassium recommendations. There’s even a section to add field notes.
The Insects & Nematodes, Diseases, and Weeds sections will help you identify the common pests of corn and the damage they cause. You’ll also find sampling and management information.

The Soils & Fertility section provides the latest nutrient recommendations and shows common signs of nutrient deficiencies. 

The Diagnosing Herbicide Injury section provides a tool for identifying herbicide injury and describes herbicide modes of action.

And the Planting, Growth, & Development section provides information about identifying and predicting growth stages.

This app includes hundreds of useful, high-quality images to help you diagnose problems and understand common issues in corn production. 

We also offer a companion app: The Purdue Extension Soybean Field Scout.


## Version history (last 2 releases)

### 1.0.2 — 2017-03-22

This app has been updated by Apple to display the Apple Watch app icon.

This update clarifies how to purchase the full app

### 1.0 — 2017-03-16

No release notes.

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All apps by Purdue University: https://appshunter.io/developer/371741257

## Related topics

[purdue extension corn field scout](https://appshunter.io/ios/topics/purdue-extension-corn-field-scout) · [field scout](https://appshunter.io/ios/topics/field-scout) · [purdue turf doctor](https://appshunter.io/ios/topics/purdue-turf-doctor) · [corn yield](https://appshunter.io/ios/topics/corn-yield)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*