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Cherry blossoms
Flowering cherry trees are one of many collections visitors can see at the U.S. National Arboretum. (Peggy Greb, D3789-1)
Arboretum volunteer using the app on her phone in the gardens
The U.S. National Arboretum’s new app helps visitors navigate the gardens via mobile phone. (Peggy Greb, D3782-1)
Azaleas
Azaleas are a popular springtime feature at the U.S. National Arboretum. (Peggy Greb, D2981-1)
Woman using app on her phone in bonsai collection
The new U.S. National Arboretum app has information about plants and exhibits, such as the bonsai collection. (Peggy Greb, D3784-1)
Two scientists viewing computer image of bacteria
ARS chemist Reuven Rasooly and bioscience technician Paula Do studying foodborne toxins. (Stephen Ausmus, D1418-9)
Flowering red clover
An antimicrobial compound in red clover can benefit cattle. (R.R. Smith, K9515-1)
Tractor rolling over rye in a field
A tractor rolls a rye cover crop and plants cotton seeds at the same time. (Ted Kornecki, D3785-1)
Fuel-use monitor on tractor
A monitor precisely measures tractor fuel use for computing cost savings. (Ted Kornecki, D3786-1)
Carbon-sampling device next to crepe myrtle plant
A carbon-sampling device placed beside a crepe myrtle plant measures carbon escaping from the soil. (Barry Dorman, D3787-1)
Automated Carbon Efflux System control box with wires and sensors leading to plants
The Automated Carbon Efflux System is a research tool for monitoring carbon escaping from soil. (Barry Dorman, D3788-1)
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