Beetroot only drop 1 beetroot per 1 crop

you break your beetroot crop you will drop only one beetroot but carrots and potatoes drop 3-5

when i harvest a beetroot crop i break the crop only drop 1 beetroot instend 3-5 drop beetroot It's not normal

carrots and potatoes drop 3-5 carrots & potatoes but beetroot only 1 drop beetroot