OLINDA

AND

JUAN PABLO

MUÑOZ

Alfisols are a soil order in USDA soil

taxonomy.

They have a clay-enriched subsoil and

relatively high native fertility.

Yes because represent one of the more

important siol orders for food and fiber

production.

There are widely used both in

agriculture and forestry

They generally easier to keep fertilie

than oder humid-climate solis.

In Australia and Africa are still very

deficient in nitrogen.