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Itens para a visualização no momento 11-17 of 17
Residualidade da forma e do modo de aplicação de calcário sobre atributos químicos do solo e de culturas
(Universidade Federal de Santa Maria, 2021-06-18)
A soil considered to be of good quality should allow for root growth without restrictions regarding chemical, physical and biological attributes and provide a greater volume of explored soil. The no-tillage system must ...
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. ...
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 ...
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 ...
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, ...