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Now showing items 31-40 of 56
Caracterização da fertilidade do solo, distribuição do sistema radicular e índice de qualidade do solo no Ecossistema Restinga do Litoral Paulista
(Universidade Federal de São Carlos, 2011-02-23)
The Restinga forest is a set of plant communities in mosaic, determined by the characteristics of their substrates as a result of depositional processes and ages. And of all the ecosystems associated with the Atlantic, the ...
Produção de ácidos orgânicos radiculares de cana-de-açúcar submetida ao estresse por alumínio
(Universidade Federal de São Carlos, 2019-03-01)
There are prospects of increases in the productivity of the sugarcane crop with the suitability of the varieties to the edaphoclimatic zoning. Several restrictions on the expression of the genetic potential of the varieties ...
Lixiviação dos íons nitrato e potássio em latossolo submetido à aplicação de diferentes doses e tipos vinhaça
(Universidade Federal de São Carlos, 2013-08-12)
Vinasse is a liquid effluent with a high organic load and it has significant concentrations of Nitrate (NO3 -) and Potassium (K⁺). It is of great interest for the sugarcane sector by reducing costs in fertilizer ...
Aplicação de água de reúso tratada no cultivo de alface (Lactuca sativa L.)
(Universidade Federal de São Carlos, 2013-02-01)
The concern in developing strategies to solve the water scarcity problem is growing and actual. As a big consumer of the available fresh water, agriculture is the activity with the biggest potential for applying of water ...
Estudo da dinâmica da solução do solo para o manejo da fertirrigação por gotejamento na cultura do pimentão
(Universidade Federal de São Carlos, 2011-07-15)
Among various systems, the drip irrigation has been increasingly used, mainly because of its greater efficiency in water use. This work aimed to study the dynamics of soil solution, characterizing the distribution and ...
Crescimento inicial de cana-de-açúcar em latossolo com gradiente de saturação por alumínio e submetido à aplicação de vinhaça
(Universidade Federal de São Carlos, 2014-04-30)
An important strategy to round the problem of high acidity in soil and the toxicity aluminum (Al)consequent, limiting the full sugarcane development, it is based on the use of suitable varieties to these conditions. The ...
Simulação do efeito de palhada e adubação nitrogenada na produtividade de cana-de-açúcar
(Universidade Federal de São Carlos, 2012-12-17)
The increasing demand for alternative energy sources for replacing fossil fuels has attracted investments for Brazilian sugarcane industry, which has been widely reconized as a model of renewable energy producer. To ensure ...
O gênero Phyllanthus L. (Phyllanthaceae) na região sudeste do Brasil
(Universidade Federal de São Carlos, 2013-08-23)
The genus Phyllanthus L. is the largest and most diverse of the family Phyllanthaceae with about 830 species that are spread mainly throughout the tropics, of which 200 are in the neotropics. From 100 species occurring in ...
Análise dos efeitos do fipronil e dimetoato em larvas e pupas de Apis mellifera L. (Hymenoptera: Apidae) africanizada criadas em condições laboratoriais
(Universidade Federal de São Carlos, 2014-12-05)
Africanized Apis mellifera bees Linnaeus, 1758 (Hymenoptera: Apidae), although not native to Brazil, is very important both for the environment and for the economy. However, with the growth of food production and biofuels, ...
Efeitos de herbicidas no desenvolvimento inicial da cana-de-açúcar e lixiviação, absorção e translocação de diurom
(Universidade Federal de São Carlos, 2015-02-24)
Herbicides are the most widely used pesticides in the sugarcane sector, so it is interesting to note the level of tolerance and differences in sensitivity of new cultivars of sugarcane before the commercial release. The ...