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Aspectos da biologia, caracterização foliar e manejo químico de Conyza bonariensis (L.) Cronquist (Asteraceae) e Conyza canadensis (L.) Cronquist (Asteraceae)
(Universidade Federal de São Carlos, 2012-01-16)
The genus Conyza includes approximately 60 species, which are distributed throughout most of the world. Globally the weed species Conyza canadensis and Conyza bonariensis infest more than 40 types of crops. Both species ...
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 ...
Composição florística e estrutural de bordas de fragmentos florestais inseridos em matrizes agrícolas
(Universidade Federal de São Carlos, 2012-12-03)
We did this experiment in the Corumbataí river Basin, São Paulo, southeastern Brazil (22°41'28" S e 47°56'15'' O). In this Basin, the original phytophysiognomies were dramatically reduced; nowadays the native ecosystems ...
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 ...
Biologia da polinização e eficácia de polinizadores em Solanum melongena L. (Solanaceae)
(Universidade Federal de São Carlos, 2015-02-26)
The pollination is am essential environmental service to the development of various plant species, contributing to the provision of basic human food. Some species, like much of the genus Solanum, may present different ...
Cultivo hidropônico de alface com água de reúso
(Universidade Federal de São Carlos, 2015-02-06)
The water for many years was considered inexhaustible, and only in recent decades, became aware of the shortage and the need to rationalize their use, look for ways to reuse and recovery of its quality. In this search ...