Search
Now showing items 11-20 of 21
Eficiência da adubação de cobertura com ureia revestida por polímeros na cultura do milho
(Universidade Federal de São Carlos, 2015-12-03)
One of the most important aspects maize cultivation is the management of fertilization, in order to achieve maximum efficiency in the use of nutrients offered with fertilizers. Nitrogen (N) is the most required nutrient ...
Adubação com cama de galinha poedeira peletizada no desenvolvimento inicial da cultura do milho
(Universidade Federal de São Carlos, 2014-07)
The amount of commercial laying hens in Brazil is estimated at 90 million, with an average production of 2.20 kg of poultry litter per bird. Therefore, it is necessary to seek appropriate management practices for the final ...
Efeito da rochagem no crescimento e nutrição de plantas de batata
(Universidade Federal de São Carlos, 2016-07)
Brazil is considered a country with extreme potential for agricultural production, but with great dependence on fertilizer imports. The Brazilian area with the potato crop is estimated at 130,000 ha. It is a high ...
Sensibilidade de variedades de feijão (Phaseolus vugaris L.) 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 ...
Técnicas de medida de condutividade elétrica na agricultura de precisão
(Universidade Federal de São Carlos, 2015-01-15)
Until recently, Precision Agriculture was thought of as an unviable tool for
small and medium producers, as it believed that it was an expensive, inaccessible
tool. However, with the advancement of technologies, it was ...
Desempenho da tecnologia Bt no controle de espécies de lepidópteros noctuídeos
(Universidade Federal de São Carlos, 2018-02-02)
Among the most important crops for Brazilian agribusiness, soybeans and cotton stand out, both producing millions of tons per harvest. However, various factors limit the full development of these crops, such as the occurrence ...
Análise da pesquisa científica sobre Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) no Brasil a partir de indicadores bibliométricos
(Universidade Federal de São Carlos, 2015-05-16)
Brazilian agriculture is currently experiencing significant losses due to a recently introduced pest, the Helicoverpa armigera caterpillar. Belonging to the Heliothinae subfamily, it is an extremely polyphagous insect that ...
Sensibilidade de três variedades de cana-de-açúcar (Saccharum spp.) ao alumínio em solução avaliada por corantes indicadores
(Universidade Federal de São Carlos, 2011-06-29)
Brazil is the world's largest producer of sugarcane (Saccharum spp.). Its production is expanding in regions characterized by soils with low fertility and high acidity. The influence of Al toxicity on the development of ...
Produtividade do feijoeiro (Phaseolus vulgaris) cultivado sob efeito residual da adubação do milho de segunda safra
(Universidade Federal de São Carlos, 2017-07-11)
One of the great challenges for the bean crop is to increase productivity and, at the same time, improve fertilization management using new technologies. The objective of this work was to evaluate the effect of residual ...
Tolerância de espécies nativas do cerrado ao alumínio em solução
(Universidade Federal de São Carlos, 2013-12-19)
The Cerrado biome (Brazilian savanna) occupies about 30% of the Brazilian territory. Its soils have limitations for the development of crops of economic interest, as they are naturally acidic, with high levels of aluminum ...