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Itens para a visualização no momento 1-10 of 22
Estudo de substâncias com efeito de regulador de crescimento no potencial fisiológico do arroz irrigado
(Universidade Federal de Santa Maria, 2012-02-17)
The objective of this study was to evaluate the interference of substances with effect of
growth regulator, applied to seeds in physiological quality of rice seed subjected to the
condition of low temperature stress, seeking ...
População, danos e parasitoides larvais de spodoptera frugiperda (j. e smith) (lepidoptera: noctuidae) em milho bt e não-bt
(Universidade Federal de Santa Maria, 2012-02-16)
The occurrence of Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), the
Fall armyworm, has led to increased adoption of Bt maize genotypes in Brazil. However, the
field impacts on parasitoids of using these ...
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., ...
Nitrogênio no crescimento e produtividade de plantas de alface cultivadas em confinamento radicular
(Universidade Federal de Santa Maria, 2012-08-28)
The objective of this research was to test the hypothesis that under confinement of
roots in a limited volume, the negative effects on growth and yield of lettuce plants can be
compensated by increasing the availability ...
Crescimento e produtividade da cultura do feijão com diferentes disponibilidades de nitrogênio
(Universidade Federal de Santa Maria, 2012-07-31)
The common bean has been considered a high nutrient demanding crop. To reach high grain yield, a balanced macro and micronutrient fertilization is essential. Nitrogen (N) is the second mineral to be extracted in greater ...
Manejo do nitrogênio na produção fora do solo de pontas de estolões de morangueiro
(Universidade Federal de Santa Maria, 2012-02-29)
The objective of this research was to determine the effect of N concentration in the
nutrient solution on strawberry runner tips production and growth and on the strawberry stock
plants growth, N uptake and accumulation ...