standards: Standards for soil variables

Description Usage Arguments Details Value Author(s) References See Also Examples

View source: R/standards.R

Description

Definitions of standards for soil variables in the Free Brazilian Repository for Open Soil Data – http://www.ufsm.br/febr.

Usage

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standards(soil.var = "fe", extraction.method)

Arguments

soil.var

Identification code of the soil variable. The only currently available option is soil.var = "fe".

extraction.method

Identification code of the extraction method. See ‘Details’.

Details

Standards for soil variables are defined according to the third edition of the Manual of Methods of Soil Analysis published by Embrapa Soils in 2011. They include the measurement units and number of digital places that should be used with a soil variable as defined by the extraction method.

Value

A data.frame.

Author(s)

Alessandro Samuel-Rosa [email protected]

References

Donagemma, G. K., Campos, D. V. B., Calderano, S. B., Teixeira, W. G. and Viana, J. H. M. (2011) Manual de Métodos de Análise de Solo. Rio de Janeiro: Embrapa Solos.

See Also

http://www.ufsm.br/febr

Examples

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# All standards
standards()

# Specific stantdard
standards(extraction.method = "sulfurico")

samuel-rosa/febr documentation built on Jan. 15, 2018, 7:55 p.m.