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Now showing items 31-40 of 53
Hospedabilidade de plantas daninhas a Meloidogyne spp. e interação entre herbicidas e nematicidas para a cultura de cana-de-açúcar
(Universidade Federal de São Carlos, 2015-12-11)
The sugarcane has great economic importance in Brazil. To keep productivity several
biotic and abiotic factors can positively or negatively influence. Among them, weeds,
nematodes and synergistic action between pesticides ...
Eficiência de três métodos : alternativo, biológico e químico, no controle do ácaro Varroa destructor Anderson e Trueman (2000) em Apis mellifera Linnaeus (1758)
(Universidade Federal de São Carlos, 2016-06-14)
Bees are the most important pollinators of agricultural ecosystems by carrying out pollination of up to 90% of native plants and more than one third of cultivated plants. Studies conducted around the world have been ...
Potencial do fertilizante orgânico classe D no cultivo inicial de eucalipto
(Universidade Federal de São Carlos, 2016-07-18)
Organic fertilizers are increasingly identified as an alternative route for agriculture, acting as a conditioner of soil physical, chemical and biological properties, and as a source of nutrients for crops. Therefore, this ...
Controle químico e a influência da palha de cana-de-açúcar e da profundidade de semeadura na emergência de plantas daninhas
(Universidade Federal de São Carlos, 2013-12-13)
The implementation of the mechanized system of the sugar cane has lead a number of direct and indirect benefits to the sugar cane culminating changes in the productive system, among them, changing the infesting flora and ...
Influência do período de molhamento, temperatura e concentração de inóculo de Pyricularia grisea na ocorrência da brusone em plântulas de trigo
(Universidade Federal de São Carlos, 2013-06-26)
Blast disease, caused by Magnaporthe grisea (anamorph Pyricularia grisea), is one of the main diseases of wheat and is disseminated throughout main producing states of the Country. It has been causing significant yield ...
Regularização ambiental de propriedades agrícolas: transição de cenários
(Universidade Federal de São Carlos, 2013-06-26)
The constant changes of the forest legislation in Brazil show the complexity in its interpretation and application by the farmers in their properties. Since the first Forest Code (FC) through the decree no. 23.793 from ...
Determinaçâo da toxicidade tópica e oral do inseticida fipronil e efeitos de suas doses subletais no comportamento de abelhas sem ferrão Melipona scutellaris (Latreille, 1811)
(Universidade Federal de São Carlos, 2012-05-09)
Melipona scutellaris bee, known as "uruçu" belong to the tribe Meliponini, popularly called stingless bees. This bee is endemic in northeastern Brazil and is distinguished by its ease of domestication and management, ...
Instalação e monitoramento de estação piloto de tratamento de esgoto sanitário visando reúso agrícola
(Universidade Federal de São Carlos, 2014-02-24)
The increasing demand for water has made the treatment and reuse of wastewater a topic of global importance. Analyzing scientific and technological advances that deal with this issue, yet, require studies to guide their ...
Extratos vegetais de cana crua e a atenuação da toxidez por alumínio no crescimento inicial de cana-de-açúcar
(Universidade Federal de São Carlos, 2014-02-04)
About 70% of the area cultivated with sugarcane in Brazil are on acid soils, characterized by having severe limitations in terms of fertility. Organic acids from residues decomposition of sugarcane, due to mechanized harvest ...
Água de reúso em rabanete (Raphanus sativus L.): implicações agronômicas e sanitárias
(Universidade Federal de São Carlos, 2014-02-06)
Due to increasingly irrigation water source scarcity, treated wastewater (TWW) is becoming a more attractive by nutrients source, showing sanitary and agronomics feasibility. In this way, this research evaluated, in a ...