Update: 21.09.2017

It can take more than 1000 years to form a centimeter of topsoil.

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The International Union of Soil Sciences (IUSS) is the global union of soil scientists. The objectives of the IUSS are to promote all branches of soil science, and to support all soil scientists across the world in the pursuit of their activities. This website provides information for IUSS members and those interested in soil science.

Costa Rican Soil Science Society and the IYS

   

Costa Rican Soil Science Society

Download   4_dic__2015_aiy_in_costa.pdf - 416 kB
   
Costa Rican Soil Science Society