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