Grasses were the first plants to be cultivated by man for food and are still the most important food crop. Grass also plays a vital role in the ecology in terms of food for animals and protecting the soil from erosion.

Grasses were the first plants to be cultivated by man for food and are still the most important food crop. Grass also plays a vital role in the ecology in terms of food for animals and protecting the soil from erosion. Other features are: an easy-to-use grass identification key, more than 800 colour photographs and a series of icons that enable the reader to obtain certain information at a glance.