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Itens para a visualização no momento 41-50 of 169
Avaliação de ferramenta para a escarificação do solo em camadas de forma simultânea
(Universidade Federal de Santa Maria, 2011-10-28)
The growing demand for energy that causes the increased traffic of agricultural machinery,
larger and more robust, acts negatively on soil compaction, directly and indirectly affecting
crop productivity, as many changes ...
Manualização virtual interativa de máquinas agrícolas (MAVIMAG)
(Universidade Federal de Santa Maria, 2013-02-22)
The instructions manuals, usually, present comprehension difficulties for the users. In this perspective, it was caught a glimpse that the conception, elaboration and development of a manual is an extremely complex task, ...
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 ...
Recomendações de fertilização fosfatada e potássica para as principais culturas de grãos sob sistema plantio direto no Paraguai
(Universidade Federal de Santa Maria, 2008-03-06)
The recommendations of fertilization have as main purpose to facilitate and aid the decisions about application of fertilizers necessary to obtain yields of maximum economic
efficiency. Pointing out the importance of the ...
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 ...