The bulk of the soil solid fraction is constituted by soil minerals, which exert significant direct and indirect influences on the supply and availability of most nutrient elements. The main ...
The bulk of soil is made up of a mixture of organic matter, rock and mineral particles. However, it's the air, water and nutrients in the ground that the growing plant really relies on.
Finally, soil acts as an insulator. The right soil protects plants from significant temperature fluctuations. What is soil made of? It’s a mixture of minerals and biomass or decomposing plant and ...