Common buckthorn (Rhamnus cathartica) and glossy buckthorn (Rhamnus frangula) are prevalent in the Midwest, quickly forming ...

The Minnesota Master Naturalist training course includes 40 hours of lectures, hands-on activities, videos and field trips that cover in-depth specific aspects of Minnesota's natural history. We offer ...

How do we measure resilience and assess how well adaptation measures are working? The University of Minnesota Climate ...

The agricultural industry widely uses urea, a white crystalline solid containing 46 percent nitrogen, as an animal feed additive and fertilizer. Here, we’ll focus on its role as a nitrogen fertilizer.

A three-year Extension partnership with universities in Kenya focuses on women farmers and the school meals value chain.

Black knot is a common fungal disease of Prunus trees including ornamental, edible, and native plum and cherry trees. Hard swollen black galls (tumor like growths) form on branches and occasionally on ...

Strangles is a highly contagious infection that causes fever, nasal discharge and abscesses near swollen lymph nodes. Hot packs can help the abscesses mature before opening and flushing them out.

Flood damage can affect tree growth and tree survival. Tree flood damage can be caused by soil changes, physical damage, insects and diseases. The potential for damage to trees from flooding depends ...

Rhizosphaera needle cast is a fungal disease of spruce trees that causes needles to turn brown and fall off. Trees stressed from drought, poor planting practices or other factors are more likely to ...

Apples are pollinated by insects, with bees and flies transferring pollen from flowers of one apple tree to those of another. But you don't need to plant a whole orchard to enjoy apples right off the ...

Direct seed kohlrabi in the garden from mid-April until early May, and again later in July. Avoid planting kohlrabi where you have grown related crops—broccoli, cauliflower, collards, kale, turnip, ...

Tomato hornworms are very large caterpillars with a horn-like tail. Their favorite plant is tomato. Hornworms chew leaves and can completely defoliate plants. They can also chew holes in the fruit.