Measures to increase tuber size in carrot crop

In carrot crop, measures should be taken to increase tuber size after 40 days of sowing.
To increase tuber size , first spray should be done with 00:52:34 @ 1 kg / acre.
After this, a second spray should be done 10-15 days before carrot harvest use 00:00:50 @ 1 kg / acre and with this use paclobutrazol @ 40% SC @ 30 ml / acre.