Buscar
Itens para a visualização no momento 41-50 of 108
Tamanho amostral para ensaios em esteira de distribuição longitudinal de sementes de milho e soja
(Universidade Federal de Santa Maria, 2012-10-19)
To evaluate the performance of precision sowing, it is necessary to collect a sample of
seed spacing to be classified in accordance with current standards, thus demonstrating the
performance of the machine as its quality ...
Desenvolvimento e avaliação de mecanismo acondicionador de palha para descompactadores de solo em semeadura direta
(Universidade Federal de Santa Maria, 2016-03-21)
The No-Till System is a management technique and conservation which calls for little soil disturbance, crop rotation and maintenance of vegetation cover on the surface, where the latter is the main one. However, if these ...
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. ...
Sistemas de manejo de solo em áreas irrigadas por pivô central
(Universidade Federal de Santa Maria, 2019-08-08)
The management of the irrigation in fields under no-till system was established according to the water potential in the soil as limiting factor to plant growth. However, the physical and chemical of the soil subsurface, ...
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 ...
Imagens de satélite para predição espaço-temporal da produtividade de milho e soja em diferentes escalas geográficas
(Universidade Federal de Santa Maria, 2019-09-10)
As global food security issues become increasingly challenging, reliable estimates of crop yields are
becoming more imperative than ever for the scientific community. Today, with greater ease of
accessing remote sensing ...
Formulação e avaliação de um bioherbicida a partir de fermentação submersa do fungo Diaporthe sp.
(Universidade Federal de Santa Maria, 2019-03-15)
The search for new tools that help in the management of weeds can be through
biomolecules in bioherbicides produced by microorganisms, capable of controlling
weeds with low toxicity to the environment. Biomolecules are ...
Relações entre atributos do solo e uso de água em arroz irrigado
(Universidade Federal de Santa Maria, 2011-03-23)
The knowledge of the water volume used in rice farming is of fundamental importance for the
solution related to water distribution problems between the multiple uses and the grant
concession. In this way, the objective ...
Índice de qualidade e custos em função da variabilidade temporal da água de irrigação
(Universidade Federal de Santa Maria, 2011-03-15)
Water is a fundamental resource to life in Earth and has been used in multiple ways though
times. However, there has been a decrease in its availability due to the increase in its consumption
which implied a quantitative ...
Seleção de fungos visando a produção de um bioherbicida para o controle de Conyza sp.
(Universidade Federal de Santa Maria, 2017-06-19)
One of the great challenges when working with large-scale agriculture is undoubtedly control
the insertion and dissemination of weeds in the growing areas. Most of the weed control is done
through chemical control. ...