Search Results - "Osny Oliveira Santos Bacchi"

Field spatial and temporal patterns of soil water content and bulk density changes by Timm, Luís Carlos, Pires, Luiz Fernando, Roveratti, Renato, Arthur, Robson Clayton Jacques, Reichardt, Klaus, Oliveira, Júlio Cesar Martins de, Bacchi, Osny Oliveira Santos

“…Soil water content (theta) and bulk density (rhos) greatly influence important soil and plant processes, such as water movement, soil compaction, soil…”
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Nitrogen Balance and Fertigation Use Efficiency in a Field Coffee Crop by Bruno, Isabeli Pereira, Reichardt, Klaus, Bortolotto, Rafael Pivotto, Pinto, Victor Meriguetti, Bacchi, Osny Oliveira Santos, Dourado-Neto, Durval, Unkovich, Murray John

“…Brazil is a major world coffee producer, using increasing quantities of nitrogen (N) fertilizer as the monoculture expands across the savannas. The fate and…”
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Evaluation of Pigeon Pea Lines for Biological Soil Decompaction by Godoy, Rodolfo, Bacchi, Osny Oliveira Santos, Moreira, Fernando Almeida, Reichardt, Klaus

“…Soil decompaction is generally achieved through mechanical cultivation practices; however biological processes can significantly add to this process through…”
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Variability of water balance components in a coffee crop in Brazil by Silva, Adriana Lúcia da, Roveratti, Renato, Reichardt, Klaus, Bacchi, Osny Oliveira Santos, Timm, Luis Carlos, Bruno, Isabeli Pereira, Oliveira, Julio César Martins, Dourado Neto, Durval

“…Establishing field water balances is difficult and costly, the variability of their components being the major problem to obtain reliable results. This…”
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Method to estimate soil macroporosity and microporosity based on sand content and bulk density by Stolf, Rubismar, Thurler, Álvaro de Mendonça, Bacchi, Osny Oliveira Santos, Reichardt, Klaus

“…Macroporosity is often used in the determination of soil compaction. Reduced macroporosity can lead to poor drainage, low root aeration and soil degradation…”
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Fertilizer 15N balance in a coffee cropping system: a case study in Brazil by Fenilli, Tatiele Anete Bergamo, Reichardt, Klaus, Favarin, José Laércio, Bacchi, Osny Oliveira Santos, Silva, Adriana Lúcia, Timm, Luis Carlos

“…Knowledge about the fate of fertilizer nitrogen in agricultural systems is essential for the improvement of management practices in order to maximize nitrogen…”
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Avaliação do uso de resíduos de construção e demolição reciclados como corretivo da acidez do solo by Paulo Renato Orlandi Lasso, Carlos Manoel Pedro Vaz, Alberto Carlos de Campos Bernardi, Cauê Ribeiro de Oliveira, Osny Oliveira Santos Bacchi

“…A geração e o armazenamento de resíduos de construção civil e demolição (RCD) constituem-se em um problema ambiental, pois representam mais de 50 % do total de…”
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Comparison between climatological and field water balances for a coffee crop by Bruno, I.P, Silva, A.L. da, Reichardt, K, Dourado-Neto, D, Bacchi, O.O.S, Volpe, C.A

“…The use of climatological water balances in substitution to complete water balances directly measured in the field allows a more practical crop management,…”
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A software to calculate soil hydraulic conductivity in internal drainage experiments (SHC, Version 2.00) by Dourado Neto, Durval(USP Escola Superior de Agricultura Luiz de Queiroz Departamento de Produção Vegetal), Reichardt, Klaus(USP Centro de Energia Nuclear na Agricultura Laboratório de Física de Solos), Silva, Adriana Lúcia da(UNICAMP Colégio de Limeira _ COTIL Departamento de Geomática), Bacchi, Osny Oliveira Santos(USP Centro de Energia Nuclear na Agricultura Laboratório de Física de Solos), Timm, Luis Carlos(Universidade Federal de Pelotas Faculdade de Agronomia Eliseu Maciel Departamento de Engenharia Rural), Oliveira, Júlio César Martins(Escola de Engenharia de Piracicaba), Nielsen, Donald R.(University of California)

“…A software for the calculation of unsaturated soil hydraulic conductivity K(theta) is presented for commonly used methods found in the literature, based on…”
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Random and systematic spatial variability of 137Cs inventories at reference sites in South-Central Brazil by Correchel, Vladia, Bacchi, Osny Oliveira Santos, Reichardt, Klaus, De Maria, Isabella Clerici

“…The precision of the 137Cs fallout redistribution technique for the evaluation of soil erosion rates is strongly dependent on the quality of an average…”
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State-space approach for the analysis of soil water content and temperature in a sugarcane crop by Dourado-Neto, Durval, Timm, Luís Carlos, Oliveira, Julio Cesar Martins de, Reichardt, Klaus, Bacchi, Osny Oliveira Santos, Tominaga, Tania Toyomi, Cássaro, Fabio Augusto Meira

“…The state-space approach is used to describe surface soil water content and temperature behaviour, in a field experiment in which sugarcane is submitted to…”
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Calibração de um equipamento de TDR para medida de umidade de solos by Tommaselli, José Tadeu Garcia, Bacchi, Osny Oliveira Santos

“…Este estudo visou à obtenção das curvas de calibração de um equipamento de TDR (Time Domain Reflectometry) em cinco solos da região de Piracicaba, SP, e testou…”
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Soil spatial variability and the estimation of the irrigation water depth by Reichardt, Klaus, Silva, José Carlos de Araújo, Bassoi, Luis Henrique, Timm, Luís Carlos, Oliveira, Julio Cesar Martins de, Bacchi, Osny Oliveira Santos, Pilotto, João Eduardo

“…The effects of soil water spatial variability previous to irrigation and of the field capacity on the estimation of irrigation water depth are evaluated. The…”
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Exact equations for soil particle-size analysis by gamma-ray attenuation by Elias, E.A, Bacchi, O.O.S, Reichardt, K

“…Soil particle-size analysis by gamma-ray attenuation was first suggested in 1992 and improved in 1997 by diminishing the measurement time and adapting it for…”
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Software to model soil water retention curves (SWRC, version 2.00) by Dourado-Neto, Durval, Nielsen, Donald R., Hopmans, Jan W., Reichardt, Klaus, Bacchi, Osny Oliveira Santos

“…A software for the adjustment of soil water retention curves (SWRC) is presented, using twelve models found in the literature. Um programa computacional é…”
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Mudanças na estrutura do solo avaliada com uso de tomografia computadorizada by Pires, Luiz Fernando, Bacchi, Osny Oliveira Santos

“…O objetivo deste trabalho foi avaliar, em escala milimétrica, a modificação da densidade e da porosidade de amostras deformadas de solo submetidas a ciclos de…”
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Mudanças na estrutura do solo avaliada com uso de tomografia computadorizada Soil structure changes evaluated with computed tomography by Luiz Fernando Pires, Osny Oliveira Santos Bacchi

“…O objetivo deste trabalho foi avaliar, em escala milimétrica, a modificação da densidade e da porosidade de amostras deformadas de solo submetidas a ciclos de…”
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Spatial variability of 7Be fallout for erosion evaluation by Pinto, Victor Meriguetti, Pires, Luiz Fernando, Bacchi, Osny Oliveira Santos, Arthur, Robson Clayton Jacques, Bruno, Isabeli Pereira, Reichardt, Klaus

“…The uniformity of beryllium-7 (7Be) fallout is a basic assumption for the validity of the method that uses the fallout redistribution analysis to estimate the…”
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Avaliação do uso de resíduos de construção e demolição reciclados como corretivo da acidez do solo by Lasso, Paulo Renato Orlandi, Vaz, Carlos Manoel Pedro, Bernardi, Alberto Carlos de Campos, Oliveira, Cauê Ribeiro de, Bacchi, Osny Oliveira Santos

“…A geração e o armazenamento de resíduos de construção civil e demolição (RCD) constituem-se em um problema ambiental, pois representam mais de 50 % do total de…”
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Interação solo-planta avaliada por modelagem estatística de espaço de estados by Timm, Luis Carlos, Fante Jr, Lorival, Barbosa, Emanuel Pimentel, Reichardt, Klaus, Bacchi, Osny Oliveira Santos

“…Para estudar a interação solo-planta utilizou-se um modelo de espaço de estados (regressão dinâmica) comparativamente à um modelo de regressão estática, em…”
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