Here's why:
* High temperatures lead to rapid weathering and decomposition of minerals, resulting in deep, well-developed soils.
* High precipitation promotes leaching, washing away soluble nutrients and minerals. This leads to low fertility but also helps create a rich, red-colored soil due to the accumulation of iron and aluminum oxides.
Characteristics of Oxisols:
* Deep and well-developed profiles
* Red, yellow, or orange colors due to iron and aluminum oxides
* Low in nutrients
* Found in tropical and subtropical regions with high rainfall and temperatures
* Often associated with rainforests and savannas
While Oxisols are the most common, other soil types like Ultisols and Alfisols can also form in regions with high temperatures and precipitation, depending on other factors like the parent material and drainage.