6 November 2015--- In this audio, Radio Marš and NGO Semenska (Seed Guardians Association) emphasize the importance of soil protection, biodiversity and sustainable protection. They encourage the audience to practice natural farming, a method to maintain and protect a healthy and natural ecosystem. They also talk about the structure and function of soils and the process of soil formation and explain the pedogenic factors (parent material, climate relief, living organisms and time on soil formation). In the second part of the audio, they explain how to analyze the quality of soil in the garden using simple techniques.