Farmers have known for a very long time that certain substances such as dung and ash, when added to the soil, improve production. These are now called fertilisers. For reasons of cost and ease of use, chemical fertilisers have replaced natural ones. Although plants cant distinguish the difference, artificial fertilisers can easily be overused, resulting in damage to the soil, rivers and ocean. Learn to know how to produce more, while damaging the soil and environment less.

Telephone: 09 422 6212
Website: http://www.seafriends.org.nz/enviro/soil/fertile.htm