Buscar
Itens para a visualização no momento 801-810 of 884
O plano experimental e a variação da heterogeneidade da área experimental na cultura do milho.
(Universidade Federal de Santa Maria, 2008-01-28)
Public and private companies are working on genetic improvement of maize in Brazil. This generates new cultivars to be recommended to rural workers yearly. In the state
of Rio Grande do Sul, southern Brazil, before being ...
Equações de estimativa do crescimento do sistema radicular e produção de fitomassa de alface hidropônica
(Universidade Federal de Santa Maria, 2008-02-21)
Modelling is a technique that can be used to understand interactions between plant and environment, such as hydroponic growth dynamics. The study objective was to adjust models to estimate hydroponic lettuce growth, with ...
Liberação de Trichogramma pretiosum (Hym.: Trichogrammatidae) e avaliação de Trichogrammatidae em posturas de Spodoptera frugiperda (Lep.: Noctuidae) na cultura do milho
(Universidade Federal de Santa Maria, 2009-03-30)
Fall armyworm, Spodoptera frugiperda (J.E. Smith), is considered the major pest of corn. In general, the control of larvae is achieved with insecticides application, which can cause several environmental problems. In search ...
Modelos de crescimento em diâmetro de árvores individuais de Araucaria angustifolia (Bertol.) Kuntze na floresta ombrófila mista
(Universidade Federal de Santa Maria, 2009-08-05)
This work aims at modeling the diameter growth for individual trees of Araucaria angustifolia, present in the Mixed Ombrophylous Forest at National Forest of São Francisco de Paula, northeast of Rio Grande do Sul. Therefore, ...
Características do processo de ingestão de forragem por cordeiras em pastagem de azevém nos diferentes estádios fenológicos
(Universidade Federal de Santa Maria, 2008-12-16)
Characteristics of forage intake process by lambs grazing Italian ryegrass pasture (Lolium multiflorum Lam.) were studied, from the hypothesis that different phenological stages of the plant may influence the food gathering ...
Aplicação de componentes principais e regressões logísticas múltiplas em sistema de informações geográficas para a predição e o mapeamento digital de solos
(Universidade Federal de Santa Maria, 2008-10-31)
Social demands on soil information have grown dramatically, meanwhile the soil surveys are seldom carried out in the country. Digital soil mapping techniques
can be applied to infer the spatial distribution of soil from ...
Variação temporal da estrutura do solo em sistemas integrados de cultivo da cebola no Uruguai
(Universidade Federal de Santa Maria, 2008-07-08)
The social and economical importance of onion in Uruguai is very relevant. The soil mobilization and ridge till are crucial to reduce bulk density and increase the
macro/micropores relation for Argiudoll, to induce ...
Indução da ovulação em éguas crioulas com diferentes doses de gonadotropina coriônica humana
(Universidade Federal de Santa Maria, 2008-01-28)
The effect of three different i.v. doses of human chorionic gonadotropin (hCG), as
far as the possible influence of aging, follicular diameter and the month of the breeding
season (September to January), was evaluated ...
Neospora caninum: Imunoglobulinas como marcadores de infecção transplacentária e avaliação da susceptibilidade de cultivos celulares
(Universidade Federal de Santa Maria, 2009-03-05)
Neosporosis is a parasitic disease of wide distribution and great importance to the cattle industry, mainly due to its associated reproductive losses. The life cycle of Neospora caninum typified by the tree know infectious ...
Efeito do rainfastness e adjuvante na aplicação de fungicidas foliares em cultivares de soja
(Universidade Federal de Santa Maria, 2008-02-27)
Deposition, distribution and tenacity on the leaf surface can influence the efficacy of the fungicide. The effect of rainfall after the spray might run out fungicides of contact from leaf surface. It can also remove the ...