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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 soybean production.

You can check out a free preview of this app, Purdue Extension Soybean Field Scout Preview, that has limited functionality.

The Purdue Extension Soybean Field Scout provides built-in calculators for determining plant populations, making replant decisions, estimating yields, limestone 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 soybean 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 soybean production.

We also offer a companion app: the Purdue Extension Corn Field Scout.

What’s New

Version 1.0.2

This update corrects issues users may have had taking photos in Field Notes.


Purdue University
220.7 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Rated 4+
Copyright ©2017, Purdue University, all rights reserved.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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