question on sweet corn

my corn has germinated well my first ever batch 12/12   

ive put them in 3x2 peat pots is it best to slit the pots before the go in or cut the bottom and sides before they go in?

also to all you veteran sweetcorners (i just made that word up) whats the earliest you would plant out with a cloche for them

Ive not even started chitting mine yet, nearly did it today but still a tad early i think. But when i have chitted them they go into root trainers.

ok many thanks on friday i will do another batch but much deeper pots

anyhope for the 12 i have already ?

they need chitting???

I just bought seeds today and was going to plant straight in the ground. How does one go about chitting them then please.

thanks

thanks mumofstig i'll try that. 

Pottered, you will get very poor germination if you plant directly into the ground as most varieties of modern sweetcorn require high temperatures for germination, some 15 C soil temperature.
I did a trial for Gardening Which last year, growing the same variety of sweetcorn in pots in a propagator and planting out at the beginning of June, or direct in the ground. The ones sown in the ground had poor germination, even under a cloche, and never produced a cob before the season was over.