Clover cover crop

had a question regarding clover cover crop. I frost seeded some MR and Ladino clover earlier this spring. There is also some WR left over from last fall. One plot is doing better then the other. The poor one is extremely spotty with clover but the ground is very compacted. I’m trying not to disc the areas because of raising the old seed bed. What would be a good cover crop to throw down to help protect the new clover and give extra food. Or am I better to disc it all up and start over? I was thinking buckwheat but that might take over too much.
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I put clover and buckwheat down at the same time last year, clover is slow to establish. Bw is short lived and does its job for the clover to take off. This year clover was over a foot high