Those clones look like cuts I throw away.
Each clone should be a top as in have the apical node at the top and 1 Node or so below.
What did they arrive in? What did they root in?
pellet? Rockwool?
if rockwool it could be that the rockwool is drying before being saturated by the soil as the soil will wick any water out of a rockwool cube.
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