Clay is a material that contains a substance which caused the breakdown and weathering of rocks, minerals, organic matter from decaying rot, the decay of dead plants and animals, water and gas.
Soil acts as an anchor of support for the plant roots, stems, and also serves as a storehouse of food and water in the soil for growing plants that will be able to absorb or retain water when the plants are wet. or fall when the water is drained and well ventilated. So plant roots can grow down into the soil and nutrients needed for plant growth sufficiently