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Thicken Up Thin Alfalfa Stands Now

fig. Interseeding grasses into alfalfa will keep fields or pastures productive, advises Bruce Anderson, University of Nebraska Extension forage specialist.

Mid-August through early September is the perfect time to rejuvenate thinning alfalfa fields, says Bruce Anderson, forage specialist with University of Nebraska Extension.

Most alfalfa fields begin to thin out after a few years, so Anderson suggests interseeding grasses to hay an alfalfa-grass mix or convert the fields to pasture.

“Not only might you extend the useful life of your alfalfa field by several years, you also will develop excellent hay or grazing for your livestock,” he says.

Orchardgrass is most commonly interseeded into alfalfa, but meadow brome, festulolium, endophyte-free tall fescue and wheatgrasses also can be used, Anderson says.

“In fact, if the field will be used as pasture, a mixture of several grasses may be best since it adds diversity to your animals' diet.”

If there is enough moisture to give new seedlings a good start, interseeding after an August or September cutting is recommended. “Alfalfa regrows more slowly this time of year, so it won’t compete with your new grasses as aggressively,” he notes.


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