A green soil in the highlands of Samar

A soil at the heart of Samar, the third largest island of the Philippine archipelago, and along the Paranas-Taft road at about 300 m above s...

Relation between properties and age of soils in the Amazon forest

The Amazon Basin is that part of South America drained by the Amazon River and its tributaries. It has a tropical climate with an annual rai...

Characteristics and formation of rain forest soils from Quaternary basalt in Leyte, Philippines

The classical view about soils of tropical rain forest ecosystems is that these soils are old, acidic, and infertile. It is now widely ackno...

Weathering of basalt and clay mineral formation in Leyte, Philippines

Weathering is the physical, chemical, and biological alteration of minerals in rocks, sediments, and soils at or near the Earth’s surface. I...