Using indicator kriging for evaluating soil fertility indicators

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual de Mato Grosso do Sul (UEMS)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorViegas de Araujo Motomiya, Anamari-
Autor(es): dc.creatorCora, Jose Eduardo-
Autor(es): dc.creatorPereira, Gener Tadeu-
Data de aceite: dc.date.accessioned2022-02-22T00:07:06Z-
Data de disponibilização: dc.date.available2022-02-22T00:07:06Z-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2006-05-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/195855-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/195855-
Descrição: dc.descriptionThe objective of this study was to identify site-specific management zones by means of chemical soil fertility indicators on sugarcane-cultivated Latosols (Oxisols), using indicator kriging, aiming an optimized use of precision agriculture techniques. The study was conducted in a 90 ha section of a larger field (1.900 ha) near Jaboticabal, Sao Paulo State - Brazil (21 degrees 15'S and 48 degrees 18'W). A 50 m regular grid was drawn on the experimental area (300 by 3.000 m). Soil samples were obtained at each 50 m grid point (420 points) from the top 0.2 m. Organic matter, P, K and V values of the soil samples were determined. The soil data were coded as 0 or 1 when higher or lower than the threshold value established for each variable, respectively. Using the results of geostatistical analysis for the coded data set and indicator kriging, counter maps of probability of meeting the critical threshold value for each of the individual soil attributes and their combinations were drawn. It was possible to identify areas of different soil fertility levels by this method.-
Descrição: dc.descriptionUniv Estadual Mato Grosso Sul, BR-79540000 Cassilandia, MS, Brazil-
Descrição: dc.descriptionUNESP, Fac Ciencias Agr & Vet, Dept Solos & Adubos, BR-14884900 Jaboticabal, SP, Brazil-
Descrição: dc.descriptionUNESP, Fac Ciencias Agr & Vet, Dept Ciencias Exatas, Sao Paulo, Brazil-
Descrição: dc.descriptionUNESP, Fac Ciencias Agr & Vet, Dept Solos & Adubos, BR-14884900 Jaboticabal, SP, Brazil-
Descrição: dc.descriptionUNESP, Fac Ciencias Agr & Vet, Dept Ciencias Exatas, Sao Paulo, Brazil-
Formato: dc.format485-496-
Idioma: dc.languagept_BR-
Publicador: dc.publisherSoc Brasileira De Ciencia Do Solo-
Relação: dc.relationRevista Brasileira De Ciencia Do Solo-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectgeostatistics-
Palavras-chave: dc.subjectspatial variability-
Palavras-chave: dc.subjectprecision agriculture-
Título: dc.titleUsing indicator kriging for evaluating soil fertility indicators-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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