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	Provedor de dados Scientia Agricola (1) Autor Bassoi,Luis H. (1) Hopmans,Jan W. (1) MacIntyre,Jim L. (1) Serrarens,Daniel (1) Palavra-chave Neutron probe (1) Soil water content (1) TDR (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2000 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Soil moisture calibration of TDR multilevel probes Scientia Agricola Serrarens,Daniel; MacIntyre,Jim L.; Hopmans,Jan W.; Bassoi,Luis H.. Time domain reflectometry (TDR) probes are increasingly used for field estimation of soil water content. The objective of this study was to evaluate the accuracy of the multilevel TDR probe under field conditions. For this purpose, eight such TDR probes were installed in small plots that were seeded with beans and sorghum. Data collection from the probes was such that soil moisture readings were automated and logged using a standalone field unit. Neutron probe measurements were used to calibrate the TDR probes. Soil-probe contact and soil compaction were critical to the accuracy of the TDR, especially when a number of TDR probes are combined for a single calibration curve. If each probe is calibrated individually, approximate measurement errors were... Tipo: Info:eu-repo/semantics/article Palavras-chave: TDR; Soil water content; Neutron probe. Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162000000200024 Registros recuperados: 1 Primeira ... 1 ... Última

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