Describe one way in which the grazing of animals has an impact on each of the following: the biological, chemical and physical properties of a soil - Leaving Cert Agricultural Science - Question iii - 2020

The chemical properties of the soil can be influenced by animal grazing through the addition of manure. Manure adds essential nutrients, such as nitrogen, phosphorus, and potassium, which improve soil fertility and promote healthier plant growth.

Animal grazing can impact the physical properties of soil by affecting its structure. The trampling action of grazing animals can compact soil, reducing porosity and affecting water infiltration and root penetration.

One significant environmental impact of animal production on farms is greenhouse gas emissions. Livestock farming contributes to methane emissions, particularly through enteric fermentation in ruminants, which significantly contributes to climate change.

To make the environmental impact of animal production more sustainable, farmers can implement rotational grazing practices. This method allows pastures to recover while reducing methane emissions from overgrazing and promoting healthier ecosystems.