Sustainable Agriculture- A Case Study for Australia

Introduction
Australia is oldest continent on earth and has one of the most fragile and least fertile soils. Other than Antarctica, Australia is the driest continent on this planet, with over 80% of our land arid and infertile. It has one of the least understood ecological systems in the developed world and there are new species of plants and animals discovered every year in Australia.
Yet for over 150 years we have been using