Autumn Forage Harvest Management

Mark Sulc, OSU Extension Forage Specialist

Forages need a fall period of rest to replenish carbohydrate and protein reserves.

Every year we remind forage producers that the best time to take a last harvest of alfalfa and other legumes is in early September in Ohio, for the least risk to the long-term health of the stand. These forages need a fall period of rest to replenish carbohydrate and protein reserves in the taproots that are used for winter survival and regrowth next spring. And every spring we hear of weak stands coming out of the winter, and after asking questions we learn that in many of those cases of weak stand in the spring, they had been harvested the previous autumn during the fall rest period, which weakened the stand going into the winter.

Forage producers around the state have been finishing the third cutting of alfalfa and a few have taken the fourth cutting the past week or two. It will be ideal if these harvests are the last of the season. But some growers might try to squeeze out another late cutting, and others have fields that are not quite ready for harvest right now. Like most farming decisions, there are trade-offs and risk factors to consider when making a . . .

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