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Geoestatistics applied to soils in Amazonia: case of forest-pasture succession in Rondônia

Grant number: 95/01451-6
Support Opportunities:Regular Research Grants
Duration: August 01, 1995 - January 31, 1998
Field of knowledge:Agronomical Sciences - Agronomy
Principal Investigator:Carlos Clemente Cerri
Grantee:Carlos Clemente Cerri
Host Institution: Centro de Energia Nuclear na Agricultura (CENA). Universidade de São Paulo (USP). Piracicaba , SP, Brazil


The spatial variability of nutrients, principally for carbon, nitrogen and phosphorus, and of some physicalchemical properties of the soil will be studied in the case of a forest-pasture succession in Rondônia. We will use different experimental sampling patterns standards varying fromone hundred square meters to dozens of square kilometers for the collection of data. The data will be analyzed by geostatic and statistical treatment in order to obtain a methodology to improve the estimates of stocks of nutrients in the soil and also ideal sampling patterns. (AU)

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