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Ecofisiologia e modelo logístico na dinâmica de crescimento e desenvolvimento de soja em condições de excesso hídrico
(Universidade Federal de Santa Maria, 2022-07-17)
Soybean is the main legume grown in the world. Rio Grande do Sul is an important national producer of the grain and the expansion of the crop to lowland areas where irrigated rice is traditionally cultivated in the state. ...
Respostas agronômicas e morfofisiológicas do girassol ao déficit e excesso hídrico em dois solos
(Universidade Federal de Santa Maria, 2016-01-29)
Soil water availability is one of the major factors affecting the success or failure of an agricultural crop. Stresses caused by water deficit or surplus are harmful to the growth and sunflower yield. Plant growth pattern ...
Desempenho agronômico de cana-de-açúcar em Jaguari - RS
(Universidade Federal de Santa Maria, 2012-02-29)
Currently the state of Rio Grande do Sul (RS) the cultivation of sugar cane is being
encouraged for bioenergy. However, there is a lack of information on the performance of
agricultural and industrial modern genotypes ...
Modelagem da evapotranspiração e predições do rendimento de soja sob condição irrigada e de sequeiro
(Universidade Federal de Santa Maria, 2022-10-10)
Understanding the impacts of reduced soil water availability on soybean yields is paramount
in rainfed and irrigation agriculture, especially from the perspective of climate change.
Combining field experiments with water ...
Produção de nastúrcio em cultivo hidropônico com diferentes soluções nutritivas
(Universidade Federal de Santa Maria, 2006-08-25)
The nutrition, medicinal, and ornamental properties of the Tropaeolum majus L. has
been a new object of interest in the nutritious and pharmaceutical areas. Two
experiments were carried out with Nasturcio in hidroponic ...
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 ...
Fertilização mineral em Pinus taeda L.: crescimento, variáveis fisiológicas e níveis críticos de fósforo
(Universidade Federal de Santa Maria, 2023-03-22)
Pinus taeda L. plantations in subtropical regions of South America are located in highly
weathered soils, with low natural fertility, especially those deficient in phosphorus (P).
Thus, phosphate fertilization is necessary ...
Componentes de rendimento da cultura da soja em função da aplicação de nitrogênio no florescimento
(Universidade Federal de Santa Maria, 2013-07-26)
Brazil has been consolidating as one leading global producer of food, and soybeans, Glycine max (L.) Merrill, the main grain crop grown in the country, and one of the great responsible for the economic performance of ...
Expansão de fronteiras agrícolas: tendências e perspectivas
(Universidade Federal de Santa Maria, 2023-12-07)
The expansion of new agricultural frontiers in Brazil is a topic of growing relevance, driven by the dynamism of agribusiness. Therefore, this study aims to understand the expansion of agricultural frontiers in Brazil. It ...
Análise econômica de sistemas de produção de ovinos com diferentes taxas de natalidade
(Universidade Federal de Santa Maria, 2024-03-01)
Cost analysis is an important organizational tool and it is essential for identifying the main obstacles to the economic success. This study aimed to economically analyze sheep production systems, using electronic spreadsheets, ...