Plants and crops have been around for a long time For millions of years organisms have seeking nutrition from plants There are three main ways that mammals and animals seek nourishment Carnivores which only eat meat Herbivores which only eat plants and Omnivores which eat both In a growing world with over 7 billion people plants are very important They provide oxygen resources and many forms of food But to provide this for an ever growing population fertilizers are needed The world population is increasing every day According to The Story of Fertilizers 2017 October 20 Retrieved January 09 2018 from http www fertilizerseurope com get to know us the story of fertilizers The FAO predicts that the world s population will reach 9 1 billion people by 2050 Food production will have to increase by some 70 above today's levels to keep pace with demand This increase in food production could be achieved by developing more land for agriculture However the negative impact on climate change and global biodiversity of converting natural forests or other wild habitats is well documented