Soil is a living, breathing ecosystem and one of the most complex structures known to mankind. It gives us clean air, filters our water, and provides us with our food, forests and wildlife. Presenter Aoibhinn Ní Shúilleabháin meets Sara Vero and David Wall at Teagasc’s Soil Research Centre in Wexford to find out about some of the 213 different types of soil we have here in Ireland. Digging a cross section into the ground, they discuss the conditions that soil needs to thrive and feed the planet, the problems created from compaction, and the crucial role earthworms play in running a healthy farm.

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