Search Results - "Bacchi, Osny Oliveira Santos"
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1
Field spatial and temporal patterns of soil water content and bulk density changes
Published in Scientia agricola (01-02-2006)“…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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2
Nitrogen Balance and Fertigation Use Efficiency in a Field Coffee Crop
Published in Journal of plant nutrition (10-11-2015)“…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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3
Evaluation of Pigeon Pea Lines for Biological Soil Decompaction
Published in International journal of agronomy (01-01-2009)“…Soil decompaction is generally achieved through mechanical cultivation practices; however biological processes can significantly add to this process through…”
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4
Variability of water balance components in a coffee crop in Brazil
Published in Scientia agricola (01-04-2006)“…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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5
Method to estimate soil macroporosity and microporosity based on sand content and bulk density
Published in Revista Brasileira de Ciência do Solo (01-04-2011)“…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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6
Fertilizer 15N balance in a coffee cropping system: a case study in Brazil
Published in Revista brasileira de ciência do solo (01-08-2008)“…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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7
Avaliação do uso de resíduos de construção e demolição reciclados como corretivo da acidez do solo
Published in Revista Brasileira de Ciência do Solo (01-12-2013)“…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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8
Comparison between climatological and field water balances for a coffee crop
Published in Scientia agricola (01-06-2007)“…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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9
A software to calculate soil hydraulic conductivity in internal drainage experiments (SHC, Version 2.00)
Published in Revista brasileira de ciência do solo (01-10-2007)“…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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10
Random and systematic spatial variability of 137Cs inventories at reference sites in South-Central Brazil
Published in Scientia agricola (01-04-2005)“…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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11
State-space approach for the analysis of soil water content and temperature in a sugarcane crop
Published in Scientia agricola (1999)“…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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12
Calibração de um equipamento de TDR para medida de umidade de solos
Published in Pesquisa agropecuaria brasileira (2001)“…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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13
Soil spatial variability and the estimation of the irrigation water depth
Published in Scientia agricola (01-09-2001)“…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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14
Exact equations for soil particle-size analysis by gamma-ray attenuation
Published in Scientia agricola (01-01-1999)“…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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15
Software to model soil water retention curves (SWRC, version 2.00)
Published in Scientia agricola (01-03-2000)“…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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16
Mudanças na estrutura do solo avaliada com uso de tomografia computadorizada
Published in Pesquisa agropecuaria brasileira (01-04-2010)“…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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17
Mudanças na estrutura do solo avaliada com uso de tomografia computadorizada Soil structure changes evaluated with computed tomography
Published in Pesquisa agropecuaria brasileira (01-04-2010)“…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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18
Spatial variability of 7Be fallout for erosion evaluation
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-02-2013)“…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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19
Avaliação do uso de resíduos de construção e demolição reciclados como corretivo da acidez do solo
Published in Revista brasileira de ciência do solo (01-12-2013)“…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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20
Interação solo-planta avaliada por modelagem estatística de espaço de estados
Published in Scientia agricola (01-12-2000)“…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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