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“The App Store” overlaying an image of a hand holding a seedling surrounded by 4 white dials indicating 23.1 degrees C, UV 21%, MBAR 1011 and 1%.

The App Store

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Check out these cool Apps and tools developed by ARS scientists in collaboration with their external partners. This page provides external links to the apps; if you have issues downloading an App, please contact the App provider. Questions regarding a specific App's content should be directed to the ARS scientific contact.

What's in Your Soil?

Want to know what's in your soil? The Land-PKS App allows users to collect, store, interpret and share data via a smart phone or tablet.

Plant Hardiness Zone Map

The USDA Plant Hardiness Zone Map helps gardeners and growers determine which plants are most likely to thrive in their region.

FoodData Central

Want to know more about the ingredients in the food you eat? Check out FoodData Central for nutritional info on thousands of food products.

U.S. National Arboretum App

Navigate the grounds of the U.S. National Arboretum via a digital map and discover in real time what tours, events and gardens are available during your visit.

Food Keeper App

Learn to properly store the foods you eat! FoodKeeper helps you maximize the freshness and quality of foods and beverages.