India, Oct. 14 -- Clay soil is an important part of agriculture because it can hold water and nutrients for plant growth. However, its properties also depend on drainage, climate and the type of crops being grown. Many countries have large areas of clay-rich soil, but identifying the country with the most clay soil worldwide is not straightforward because soil distribution is measured in different ways.

Which Country Has the Most Clay Soil in the World?

There is no universally accepted global ranking that identifies one country as having the most clay soil by total area. Clay-rich soils are found across several large countries, including India, China, the United States, Russia and Brazil.

The answer also depends on what is meant by "mo...