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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 ...
Adubos verdes irrigados com efluente tratado de laticínio e cultivo em sucessão da alface e beterraba em consórcio
(Universidade Federal de São Carlos, 2018-03-01)
The objective of this work is to verify the development of green manure and its
influence on the chemical characteristics of the soil and the cultivation in
succession of the lettuce (Lactuca sativa L.) consortium, and ...
Aspectos da biologia e do controle químico de Spermacoce verticillata L.
(Universidade Federal de São Carlos, 2017-12-18)
Weed control is an essential practice in cropmanagement. However, the use of herbicides may not be effective in some situations, ranging from problems in application technology to the selection of tolerant individuals and ...
Efeitos de nanodoses do inseticida tiametoxam para a abelha Melipona scutellaris Latreille, 1811 (Hymenoptera, Apidae): da absorção ao orgão alvo
(Universidade Federal de São Carlos, 2017-04-12)
The Brazilian bees are responsible for pollinating about 40-90% of native plants
according to the ecosystem. Among the species found in Brazil is Melipona scutellaris,
eussocial, able to perform pollination by vibration. ...
Desenvolvimento de um Apontador Estelar para o ensino de astronomia
(Universidade Federal de São Carlos, 2018-12-12)
By analyzing the optoelectronic equipments available for the teaching of astronomy, it was observed that there is no equipment that uses a beam of laser light commanded by a computer for orientation in sky observations. ...
Seletividade de herbicidas aplicados em pré-emergência e pós-emergência sobre Crotalaria ochroleuca, Cajanus cajan e Raphanus sativus
(Universidade Federal de São Carlos, 2017-05-12)
Green manure has been widely diffused because of the benefits it brings to the
chemical, physical and biological characteristics of the soil. However, the adoption of
this practice by farmers depends on the definition ...
As múltiplas funções da agricultura familiar: um estudo no assentamento Monte Alegre - Araraquara/SP
(Universidade Federal de São Carlos, 2010-10-25)
From the emergency of the idea of sustainability, agriculture has acquired new connotations beyond the productive aspect, and associated with conservation of natural resources and rural territories, in recognition of their ...
Transição agroecológica: estudo de caso da associação das mulheres - AMA Vergel
(Universidade Federal de São Carlos, 2011-02-03)
The agriculture modernization and industrial growth coupled with the implementation of public policies has led to a major exodus from the country, notably between the 60 s and 80 s when around 13 million people have fled ...
Caracterização fitossociológica da comunidade de trepadeiras e sua rebrota após o corte em uma floresta estacional semidecídua degradada
(Universidade Federal de São Carlos, 2016-12-16)
Forests in seasonal tropical regions are increasingly represented by degraded
remnants, exposed to an overabundance of lianas, which inhibit the successional
advance and are often managed by cutting. The research related ...
Nutrição mineral nas fases de semeadura e de individualização de “seedlings” do melhoramento genético de cana-de-açúcar
(Universidade Federal de São Carlos, 2012-07-02)
The concern and interest in ensuring the adequate nutritional supply for plant cane and ratoon cane, and even for propagation seedlings, has been quite evident. However, there is little information on the supply of nutrients ...