Buscar
Itens para a visualização no momento 91-100 of 104
Caracterização da variabilidade espacial das características químicas do solo e da produtividade das culturas, utilizando as ferramentas da agricultura de precisão
(Universidade Federal de Santa Maria, 2006-01-12)
In this work were investigated the spatial variability existent on the soil attributes utilized for soil fertility evaluation and its grade of participation on the yield crop variability. An experiment was conducted over ...
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.
Metodologia para a implantação da viticultura de precisão na região de Santa Maria: fase de prospecção de campo
(Universidade Federal de Santa Maria, 2023-01-27)
The general objective of this work was to analyze and establish basis of a methodology
to deploy precision viticulture in Santa Maria region. The specific objectives were: to
correlate the spatial variability of the ...
Variabilidade espacial do tifton 85 em função dos atributos químicos e físicos do solo
(Universidade Federal de Santa Maria, 2013-08-05)
The aim of this study was to use Precision Farming tools to assess the spatial variability of production of green mass (MV), dry mass (MS) and accumulation of nitrogen (N), phosphorus (P) and potassium (K) of tifton 85 ...
Análise comparativa de sistemas de direcionamento na operação de pulverização terrestre
(Universidade Federal de Santa Maria, 2013-12-30)
With the agricultural mechanization in expansion in the country, a lot of farmers, in order to optimize resources in the property, invest in technologies and agriculture techniques of precision for decreasing the cost of ...
Suprimento hídrico e índices de vegetação para estimativa de produtividade de milho com machine learning
(Universidade Federal de Santa Maria, 2023-03-15)
The development and productivity of maize crops depend crucially on water availability, making this variable extremely important for achieving high levels of productivity. In this regard,
the study aimed to investigate ...
Doses de nitrogênio em tabaco virgínia cultivado na agricultura familiar monitorado por plataforma multiespectral embarcada em aeronave remotamente pilotada
(Universidade Federal de Santa Maria, 2023-03-10)
Tobacco production is one of the main activities of family farming in southern Brazil, thanks
to its high added value and guarantee of purchase by large companies in the sector, which
places the country as the second ...
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 ...
Cultivo de milho sob restrição hídrica, relações entre adubação nitrogenada, índices de vegetação e produtividade em ambiente irrigado e não irrigado
(Universidade Federal de Santa Maria, 2023-04-29)
Corn cultivation is an important activity in Brazilian agribusiness and contributes in several
ways to the country's economy. The aim of this research was to use Precision Agriculture (PA)
technologies in corn cultivation, ...