Data management study, volume 5. Appendix E - Contractor data package quality assurance /QA/ Final report

Manufacturing verification tests for quality assurance and control data management on Voyager spacecraf

Variable Selection and Model Averaging in Semiparametric Overdispersed Generalized Linear Models

We express the mean and variance terms in a double exponential regression model as additive functions of the predictors and use Bayesian variable selection to determine which predictors enter the model, and whether they enter linearly or flexibly. When the variance term is null we obtain a generalized additive model, which becomes a generalized linear model if the predictors enter the mean linearly. The model is estimated using Markov chain Monte Carlo simulation and the methodology is illustrated using real and simulated data sets.Comment: 8 graphs 35 page

Phosphorus fertilizer placement and profitability.

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Micronutrient fertilization on a typic acrorthox at Manaus, Brazil.

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Lime and gypsum applications.

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Lime requirements and downward movement of Ca and Mg.

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Nutrient dynamics.

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Interação de micorriza vesicular-arbuscular com leguminosas em solos ácidos.

Este trabalho apresenta uma abordagem para MVA e acidez do solo; Simbiose MVA ? Rhizobium-leguminosa; Dependência de MVA e Micorrizas e pesquisa na região amazônica.bitstream/item/60903/1/Doc55-micorrizaarbuscular.pd

Potassium management in Humid Tropical Oxisols.

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Soil nutrient dynamics and fertility management for sustained crop production on Oxisols in the Brazilian Amazon.

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