Cultivares de milho para silagem - Resultados das safras 2003-2004, 2004-2005 e 2005-2006 nos municípios de Ijuí e Lages da região sul do Brasil.

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Cultivares de milho para silagem: resultados das safras 2003/2004, 2004/2005 e 2005/2006 na Região Sudeste do Brasil.

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Avaliação de cultivares de milho para silagem: resultados do ano agrícola 2006-2007.

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Cultivares de milho para silagem: resultados das safras 2003/2004, 2004/2005 e 2005/2006 na Região Brasil-Central.

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African star grass response to postemergence herbicides.

ABSTRACT Cynodon nlemfuensis Vanderyst, commonly called African star grass, is excellent forage in pasture formation and herd feeding. However, little information is available regarding weed management in areas of star grasses. Two field experiments were carried out in 2017 and 2018 to evaluate the response of African star grass to postemergence herbicides. The treatments applied were as follows: 2,4-D (1,340.0 g ae ha-1); 2,4-D + picloram (720.0 +192.0 g ae ha-1 + 0.3% v/v nonionic surfactant); fluroxypyr + picloram (80.0 + 80.0 g ae ha-1 + 0.3% v/v mineral oil); fluroxypyr + aminopyralid (160.0 + 80.0 g ae ha-1 + 0.3% v/v mineral oil); fluroxypyr + triclopyr (320.0 + 960.0 g ae ha-1 + 0.3% v/v mineral oil); bentazon (720.0 g ai ha-1 + 0.5% v/v mineral oil); imazapyr (25.0 g ai ha-1); monosodium methyl arsenate (MSMA) (1,440.0 g ai ha-1 + 0.1% v/v nonionic surfactant); atrazine + S-metolachlor (1,480.0 + 1,160.0 g ai ha-1); atrazine + tembotrione (1,000.0 + 100.8 g ai ha-1 + 0.3% v/v mineral oil) and a control without herbicide application. The most phytotoxic treatments for the African star grass plants were fluroxypyr + amininopyralid, fluroxypyr + triclopyr and atrazine + tembotrione. The dry matter yield of star grass plants was not reduced by the applications of 2,4-D, 2,4-D + picloram, bentazon, imazapyr, MSMA and atrazine + S-metolachlor. These herbicides can be considered potential practices in African star grass crop management

SAMBA: Stochastic Analytical Model with a Bayesian Approach

We develop and estimate a DSGE model for the Brazilian economy, to be used as part of the macroeconomic modeling framework at the Central Bank of Brazil. The model combines the building blocks of standard DSGE models (e.g., price and wage rigidities and adjustment costs) with the following features that better describe the Brazilian economy: (i) a fiscal authority pursuing an explicit target for the primary surplus; (ii) administered or regulated prices as part of consumer prices; (iii) external finance for imports, amplifying the effects of changes in external financial conditions on the economy; and (iv) imported goods used in the production function of differentiated goods. It also includes the presence of financially constrained households. We estimate the model with Bayesian techniques, using data starting in 1999, when inflation targeting was implemented. Model evaluation, based on impulse response functions, moment conditions, variance error decomposition and initial forecasting exercises, suggests that the model can be a useful tool for policy analysis and forecasting.

Cultivares de milho para silagem: recomendações para as Regiões Sul, Sudeste e Brasil-Central.

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Cultivares de milho para silagem em Sergipe: resultados das safras 2002/2003, 2003/2004 e 2004/2005.

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O cultivo irrigado da gravioleira (Annona muricata L.), no litoral Cearense.

O objetivo deste trabalho foi gerar informações sobre a produção da graviola sob irrigação, a partir de um ensaio conduzido durante cinco anos, com as cultivares Morada e Lisa submetidas a cinco diferentes níveis de irrigação.bitstream/CNPAT-2010/9020/1/Ct-088.pd