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Desligamento automático de seção em semeadoras e taxa variada de sementes: novas abordagens para a semeadura precisa
(Universidade Federal de Santa Maria, 2018-05-07)
Precision planting has been an emerging concept worldwide; however, the benefits of some technologies associated to this approach are still a knowledge gap. Studies evaluating the benefits of automatic section control ...
Atributos físicos do solo e a produtividade de soja e milho em áreas sob tráfego controlado de máquinas agrícolas
(Universidade Federal de Santa Maria, 2014-02-27)
The Soil compaction has been induced in the no-tillage (NT), mainly due to machinery traffic conditions in soils with high humidity. This traffic is essential for crop management, impossible to put out of the field. ...
Variabilidade espacial de atributos do solo e da produtividade da soja e qualidade do solo em sistema de integração lavoura-pecuária
(Universidade Federal de Santa Maria, 2015-02-20)
For the sustainability of integrated crop-livestock systems, the proper management of its components (soil-plant-animal), which are dynamic and interact with each other, are essential to define the system's ability to ...
Manejo de lagartas e percevejos da soja com controle localizado
(Universidade Federal de Santa Maria, 2013-02-18)
Soybean [Glycine max (L.) Merrill] is the most important crop grown in Brazil and worldwide. Nevertheless, the yield is still limited by several issues in which the damages by caterpillars and stink bugs are main ones if ...
Tamanho da amostra, distribuição espacial de corós de cereais de inverno e danos de curculionídeos das raízes da soja
(Universidade Federal de Santa Maria, 2013-08-22)
The occurrence of species of Escarabeídeos is mentioned in Rio Grande do Sul. Their larval stage coincides with the development of winter crops and pastures and the most cited in the literature are Diloboderus abderus ...
Acurácia e tempos de resposta de semeadora de milho à taxa variável em regimes estacionário e transitório de acionamento
(Universidade Federal de Santa Maria, 2014-07-17)
This study developed routines to evaluate accuracy, longitudinal seed displacement and
response times, applied to Variable Rate Technology (VRT) on seeder machines. A prototype was
submitted to experiments evolving ...
Sensores de vegetação na predição da necessidade na fertilização nitrogenada em cobertura complementar no arroz irrigado
(Universidade Federal de Santa Maria, 2022-10-03)
Among the factors that determine the productivity of irrigated rice, nitrogen fertilization stands out in the amount demanded by the plant at different phenological stages. Thus, evaluating the nutritional status during ...
Estado nutricional do milho avaliado por espectroscopia óptica no Paraguai
(Universidade Federal de Santa Maria, 2012-09-03)
Não consta.
Avaliação e critério para a utilização de semeadora com sistema de taxa variável de sementes na cultura da soja
(Universidade Federal de Santa Maria, 2013-09-13)
Precision agriculture (PA) is an activity considered quite recent and many studies have been conducted in this area. New technologies towards AP were made available over a short time and should be better studied, in order ...