How does the type of clay influence soil fertility?

Different types and ratios of clays can affect the amount of water that is held in the soil and can impact the plants roots ability to use nutrients in said soil. read more

Here are some factors that influence soil fertility; soil pH: this determines which nutrient becomes available for plant use. Presence of organic matter: organic materials have nutrients in them that need to be recycled for the next growing cycle. Increasing soil organic matter content means you are increasing the fertility of the soil. read more

Relative amounts of sand, silt and Clay influences porosity, permeability, ease of tillage and nutrient retention. Sand - 0.05-2.00 mm contributes to aeration, drainage and tilth - little to soil fertility Silt - 0.002-0.05 mm - Also contribute little to soil fertility. read more