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Crescimento, desenvolvimento e produtividade de clones avançados de batata em cultivo de primavera e de outono em ambiente subtropical
(Universidade Federal de Santa Maria, 2011-12-16)
The objectives of this dissertation were to determine the phyllochron, the final leaf
number on the main stem and the duration of developmental stages to characterize leaf growth
during the developmental cycle and to ...
Fitorremediação de solo de várzea contaminado com os herbicidas do imazetapir e imazapique
(Universidade Federal de Santa Maria, 2011-02-25)
Adverse effects of the use of herbicides, such as toxicity to non-target species and production of persistent residues in soil and in surface water, have drawn
attention and stimulated research to better understand the ...
Frequência e época de aplicação de fungicidas e seus efeitos em híbridos de milho (Zea mays L.)
(Universidade Federal de Santa Maria, 2011-02-28)
Among the major diseases with potential for reducing the final yield of maize (Zea mays) are common rust (Puccinia sorghi), and Spot Blotch (Exserohilum turcicum). Seed
companies offer hybrids with levels of disease ...
Associação entre métodos de adaptabilidade e de estabilidade em feijão
(Universidade Federal de Santa Maria, 2011-02-22)
The study of adaptability and yield stability allows to identify cultivars adapted to specific conditions and wide, stable and with high grain yield, and can be realized as the different methodologies employed. Thus, the ...
Dinâmica do banco de sementes de arroz vermelho e ciclagem de nutrientes em função do manejo pós colheita da palha do arroz
(Universidade Federal de Santa Maria, 2011-02-28)
The incorporation of straw after the rice harvest in areas
with the presence of red rice makes it difficult to reduce
this weed in the seeds hank. On the other hand, it cilitates
the straw's decomposition and advance ...
Solução tampão que mimetiza as características ácido-base do tampão SMP em resposta à acidez de solos brasileiros
(Universidade Federal de Santa Maria, 2011-02-21)
In Brazil, the SMP buffer has been used since the 60's as the main method to estimate
the potential acidity and/or the soil lime requirement. However, SMP contains pnitrophenol
and potassium chromate, substances with high ...
Impacto dos subprodutos da industrialização do xisto sobre atributos biológicos do solo
(Universidade Federal de Santa Maria, 2011-03-31)
The impact of using oil shale byproducts in soil on biological activity is an aspect still little
known. The aim of this work was to evaluate the oil shale byproducts impact on soil
biological attributes. In 2010, experiments ...
Dinâmica do nitrogênio mineral e produtividade do arroz irrigado na sucessão soja-azevém em solo de várzea
(Universidade Federal de Santa Maria, 2011-08-31)
The current recommendation of nitrogen fertilizer for irrigated rice (Oryza sativa) depends
on the content of soil organic matter and expectation of response to N application; it can be
influenced by previous crops. This ...
Efeito residual de intervenções mecânicas para descompactação do solo manejado sob sistema plantio direto
(Universidade Federal de Santa Maria, 2011-03-03)
The compaction became one of the main causes for soil degradation in agricultural areas, being directly related to the soil management system adopted. This situation can be observed in the Brazil humid subtropical climate ...
Resposta de genótipos de cana-de-açucar à inoculação de bactérias diazotróficas no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-07-28)
In southern Brazil is unknown the effect of diazotrophs inoculation in sugarcane
(Saccharum officinarum). The evaluation of this practice and the selection of genotypes with
high potential for biological N fixation (BNF) ...