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Itens para a visualização no momento 11-20 of 223
Estratégias de controle e artropodofauna de buva(conyza bonariensis) associada em lavoura de soja e em pastagem de inverno
(Universidade Federal de Santa Maria, 2012-02-29)
This work aimed to evaluate control strategies of hairy fleabane (Conyza
bonariensis) and also study the arthropods associated with this weed. For this, the
work was divided into three chapters. The Chapter I aimed to ...
Temperatura base, crescimento, desenvolvimento de crambe (Crambe abyssinica Hochst ex R.E. Fries)
(Universidade Federal de Santa Maria, 2012-02-28)
The crambe is an oilseed that belongs to the Brassicaceae family, is considered a
winter crop, with good tolerance to frost. In the state of Rio Grande do Sul, missing
information on the growth, development and adaptation ...
Escolha de genitores e desempenho agronômico de híbridos de milho
(Universidade Federal de Santa Maria, 2012-02-29)
Corn crop is essential for Brazilian agriculture, due to economic and social importance for the country. Grain yield has been increasing gradually over the years, in part due to genetic gain from selection. The objectives ...
Progresso de phakopsora pachyrhizi em função do estádio fenológico e da idade de trifólios em soja
(Universidade Federal de Santa Maria, 2012-02-29)
Fungicide use with different mechanisms of action as well the pulverization moment
are the factors to be considered on the asian soybean rust control. Since many
products have shown lost of efficiency, emerges the need of ...
Fatores da produção de milho em função da adubação orgânica e de Trichoderma spp.
(Universidade Federal de Santa Maria, 2012-02-23)
The expansion of area under maize (Zea mays L.), and the use of no-till without a proper crop rotation have
increased the incidence of stalk rot on this crop, due to the survival of this disease-causing pathogens (Fusarium
spp., ...
Disponibilidade e transferência de nitrogênio, fosforo e potássio em um argissolo submetido à aplicação de fontes de nutrientes
(Universidade Federal de Santa Maria, 2012-02-29)
The swine and cattle activities are of great economic and social importance in Brazil in the
southern region, but generate of large volumes of waste, that when applied to the soil can be
mineralized and part of the nutrients ...
Recuperação do potássio adicionado em solos com diferentes teores e o efeito na disponibilidade às plantas
(Universidade Federal de Santa Maria, 2012-05-30)
The sustainability of production is widespread and discussed within the productive systems, resource utilization of the productive chain of the agricultural sector, mainly inputs, requires constant evaluations, since their ...
Mudança do uso da terra e tipo de solo são fatores determinantes de fungos e arqueas no bioma pampa
(Universidade Federal de Santa Maria, 2012-02-29)
Land-use change and soil type can have significant impact on microbial communities of soil.
The Pampa biome in recent decades has undergone severe changes in landscape due to landuse
change, mainly for the introduction of ...
Decomposição de resíduos culturais de plantas de cobertura de solo e emissões de óxido nitroso
(Universidade Federal de Santa Maria, 2012-02-28)
The inclusion of summer cover crops (SCC) in the no-till system is an interesting alternative to promote the addition of elevated quantities of plant biomass and nitrogen (N) to the soil. The C and N dynamics during the ...
Controle de qualidade de análises de solos da rede Rolas - RS/SC e procedimentos estatísticos alternativos
(Universidade Federal de Santa Maria, 2012-02-15)
Soil chemical analysis must be accurate to avoid errors in the recommendations of lime and fertilizers. The quality control program of the ROLAS-RS/SC network evaluates the analysis accuracy by the distance of a result, ...