Controlling Birdsfoot Trefoil in Unwanted Areas

Birdsfoot Trefoil (Lotus corniculatus) is a perennial legume that is commonly used as a forage crop due to its high protein content and ability to fix nitrogen in the soil. However, when it starts to invade unwanted areas such as pastures, lawns, or gardens, it can become a nuisance and compete with desirable plants for resources.

Identification

Birdsfoot Trefoil is a low-growing plant with clusters of bright yellow flowers and compound leaves that resemble a bird’s foot, hence its name. It spreads through creeping stems called stolons and can form dense patches if left uncontrolled.

Control Methods

There are several effective methods to control Birdsfoot Trefoil in unwanted areas:

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Hand Pulling: For small infestations, hand pulling can be an effective control method. Ensure that the entire root system is removed to prevent regrowth.

Mowing: Regular mowing can help weaken Birdsfoot Trefoil by reducing its ability to photosynthesize and deplete its energy reserves. Mow at a height of 2-3 inches to prevent the plant from producing flowers and seeds.

Herbicides: Selective herbicides specifically formulated for broadleaf weed control can be used to target Birdsfoot Trefoil. Follow the instructions on the herbicide label carefully and apply during the recommended time of year for optimal effectiveness.

Improving Soil Conditions: Birdsfoot Trefoil thrives in low-fertility soils. By improving soil fertility through proper fertilization and pH adjustment, you can create conditions that are less favorable for its growth.

Plant Competition: Introducing competitive grasses or other desirable plants can help suppress the growth of Birdsfoot Trefoil. These plants will compete for resources, limiting the spread of the unwanted species.

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It is important to note that controlling Birdsfoot Trefoil may require a combination of these methods and may take time to achieve desired results. Regular monitoring and follow-up treatments may be necessary to prevent reinfestation.

Always consult with local agricultural extension services or professionals for specific recommendations and guidance on controlling Birdsfoot Trefoil in your area.

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