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Now showing items 21-30 of 54
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 ...
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 ...
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 ...
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 ...
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 ...
Adubação com torta de filtro “in natura” e compostada no desenvolvimento inicial da cana-de-açúcar (Saccharum officinarum L.)
(Universidade Federal de São Carlos, 2015-07)
The agricultural use of by-products of the agroindustry, such as filter cake, reduces the production costs of sugarcane and contributes to the mitigation of environmental impacts, since it reduces the use of mineral ...
Tolerância de porta enxertos cítricos ao alumínio em solução
(Universidade Federal de São Carlos, 2013-07)
One of the main causes of losses in agricultural productivity is due to the high concentrations of aluminum (Al) in the soil solution, characteristic of acidic weathered soils in the humid tropical zone. Al affects the ...
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 ...
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 ...