De or het kweekperiode?

The correct Dutch article is:

de kweekperiode

Rule Words ending in -ode: always de. See the rule

How to use kweekperiode

the kweekperiodede kweekperiode
this kweekperiodedeze kweekperiode
that kweekperiodedie kweekperiode
our kweekperiodeonze kweekperiode
your kweekperiodejouw kweekperiode
every kweekperiodeelke kweekperiode
which kweekperiode?welke kweekperiode?
a big kweekperiode / the big kweekperiodeeen grote kweekperiode, de grote kweekperiode