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Avaliação da performance de diferentes fontes de nitrogênio na produtividade e nutrição de citros
(Universidade Federal de São Carlos, 2023-02-23)
According to the source used, nitrogen fertilization alters the dynamics of the soil and its nutrients, which may cause acidification and exposure to the loss of basic cations. Orange trees have a high demand for these ...
Sistemas de produção de sementes de milho crioulo no Sudoeste Paulista
(Universidade Federal de São Carlos, 2021-01-15)
The cultivation of corn has stood out among the activities of small producers, and its grain has been used in human and animal feeding, being one of the sources of daily energy for a large part of the population. The present ...
Resistência de Conyza bonariensis e Conyza canadensis (Asteraceae) a herbicidas
(Universidade Federal de São Carlos, 2020-10-19)
The species Conyza bonariensis and Conyza canadensis, popularly known
like clove, are plants belonging to the Asteraceae family that have great
importance in modern agriculture due to the levels of economic damage
caused ...
Efeito da densidade e distância de plantas daninhas no desenvolvimento de mudas pré-brotadas (MPB) de cana-de-açúcar
(Universidade Federal de São Carlos, 2020-03-10)
Among the factors that limit the full expression of the productive potential of sugarcane, the interference caused by the lack of weed control stands out. Thus, the objective of this work was to evaluate how the density ...
Uso de protetor solar para minimizar os efeitos do excesso de luminosidade e aumento na temperatura do ar sobre a fotossíntese e pegamento de frutos em citros
(Universidade Federal de São Carlos, 2021-01-07)
The foliar application of products that act similar to a sunscreen, of the kaolin type, can prevent oxidative damage, by reducing the leaf temperature, maintaining the stomatal opening and improving the assimilation of ...
Manejo da adubação com esterco bovino na cultura do rabanete (Raphanus sativus L.)
(Universidade Federal de São Carlos, 2021-01-13)
The use of bovine manure as an alternative to mineral fertilization can reduce production costs, reduce the need for irrigation, provide an appropriate destination for manure produced by cattle farming and better soil ...
Controle de Commelina benghalensis e Spermacoce densiflora por herbicidas alternativos ao glyphosate
(Universidade Federal de São Carlos, 2020-10-24)
The species Commelina benghalensis L. and Spermacoce densiflora have tolerance to the herbicide glyphosate and can be selected in places where the use of this herbicide is successive. Therefore, the objective of this work ...
Desenvolvimento inicial de híbridos de porta-enxertos de citros em casa de vegetação
(Universidade Federal de São Carlos, 2021-01-13)
Brazil is leader in oranges production and export. For this, it depends on technologies in its production system and one of the most important is the seedlings production using grafting, where the rootstock can provide ...
Sensibilidade de plantas cultivadas ao dicamba e 2,4-D aplicados em doses comerciais e subdoses
(Universidade Federal de São Carlos, 2022-09-15)
The development of crops resistant to dicamba and 2,4-D may reflect the intensive use of these herbicides in agricultural areas, including close to susceptible species. Therefore, the objective of this work was to evaluate ...
Avaliação dos principais parâmetros físicos e tecnológicos da borracha natural do clone RRIM 600 em diferentes frequências de sangria
(Universidade Federal de São Carlos, 2022-04-26)
The latex of Hevea brasiliensis is the main feedstock raw material for obtaining natural rubber. Latex extraction is completely manual and is the activity with the highest percentage cost participation in the rubber tree ...