Rest period needs Rest period needs: 15 - 20 days during rapid growth 20 - 30 days during moderate growth 30 - 45 days during slow growth 40 - 60 days very slow growth Rest period needs: 15 - 20 days during rapid growth 20 - 30 days during moderate growth 30 - 45 days during slow growth 40 - 60 days very slow growth