Keep worms happy year-round with this easy-to-build underground worm farm.  Words: Nadene Hall  Photos: Ben Elms Ben Elms (aka Dr Compost) has been experimenting with an underground worm-farm system suitable for hot and cold regions especially those such as Central Otago, which can experience freezing winters. The method (see instructions below) involves three to five … Continue reading DIY: Build an underground worm farm suitable for a cold climate