Volcanoes and farming

How do volcanoes relate to farming?

The early settler-farmers of New Zealand soon recognized the limitations of the fertility of the land which they farmed, particularly when it came to arable crops such as wheat. In regions such as the Manawatu, the “black soils” of burnt-off bush country at first produced prolific crops, owing to the minerals contained within the ashes of the burnt bush. However, quite rapidly, this fertility declined. Continue reading