April 8, 2019 5:13 PM
Heaving in alfalfa taproots was recently observed in southern Indiana. Keith Johnson, forage specialist at Purdue University, states temperature swings could cause widespread damage and that growers, CCAs, agronomists, etc., should scout fields immediately for winter injury and heaving.
Heaving is characterized by freezing and thawing ground that pushes the plant crowns and upper taproots up, almost separating the crown from the taproot altogether. This can predispose the crop to disease, states Johnson. Read the full article here.