Compost manure used as fertilizer. Compost is any organic or inorganic substance that improves the quality of nutritional substrate for plants rooted in it. Examples of natural or organic fertilizer is found both in the classic manure, mixed with agricultural waste as feed, the guano that is the excrement of birds (eg poultry, like chicken). The definition of manure as fertilizer regulations of the European Union is “material whose primary function is to provide nutrients to the plants” The action involves providing a fertilizer is called fertilization. The payments are part of the fertilizer products, as amended. Fertilizers have been used since antiquity, when added to soil, empirically, the phosphates in the bones (calcined or not), nitrogen from animal and human excrement or potassium from the ashes.