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Exploring leek harvest

In this Small Farm Canada short video, Jeff Carter explores harvesting leeks. A crop that can be harvested well into the fall and even over-wintered. 

Leek, (Allium porrum), is a hardy biennial plant of the amaryllis family (Amaryllidaceae) that is most often grown as an annual vegetable crop. It is native to the Mediterranean and the Middle East.  

Leeks are related to onions and have a similar flavour but instead of forming a bulb, the stem continues to thicken, forming a sheath of furled leaves. 

Summer leek cultivars are harvested in the season they were planted. Cultivars that overwinter are harvested in the spring following planting in the previous year. Summer leek types are generally smaller and overwintering types are usually stronger tasting. 

Leeks are a long-season crop. Mulching is important to reduce weeds and maintain soil moisture. For overwintering, protect the plants with a good amount of straw or leaves so they can be harvested throughout the winter.  

Leeks will flower and go to seed in spring and can form a self-perpetuating leek bed. Leeks left to flower often produce bulblets at the base of the plant. The bulblets can also be used for propagation

Source : Small Farm Canada

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The Crop Science Podcast Show, Dr. Emerson Nafziger from the University of Illinois breaks down decades of nitrogen research. From the evolution of N rate guidelines to how soil health and hybrid genetics influence nitrogen use efficiency, this conversation unpacks the science behind smarter fertilization. Improving how we set nitrogen fertilizer rates for rainfed corn is a key focus. Discover why the MRTN model matters more than ever, and how shifting mindsets and better data can boost yields and environmental outcomes. Tune in now on all major platforms!

"The nitrogen that comes from soil mineralization is the first nitrogen the plant sees, and its role is underestimated."

Meet the guest:

Dr. Emerson Nafziger is Professor Emeritus of Crop Sciences at the University of Illinois at Urbana-Champaign, with degrees in agronomy from Ohio State, Purdue, and Illinois. His research has focused on nitrogen rate strategies and crop productivity. He co-developed the Maximum Return to Nitrogen (MRTN) model, which is widely used across the Midwest. His research spans N response trials, hybrid interactions, crop rotation effects, and yield stability.