Discrimination of management effects on soil parameters by using principal component analysis: a multivariate analysis case study

Soil and Tillage Research - Tập 67 - Trang 171-181 - 2002
M.M Sena1, R.T.S Frighetto2, P.J Valarini2, H Tokeshi3, R.J Poppi1
1Chemistry Institute, State University of Campinas, P.O. Box 6154, 13083-970 Campinas, SP, Brazil
2EMBRAPA Environment, P.O. Box 069, 13820-000, Jaguariúna, SP, Brazil
3Phytopathology Department, Agriculture School Luiz de Queiroz, São Paulo University, 13418-900 Piracicaba, SP, Brazil

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