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Mostrando ítems 211-220 de 326
Quintais agroecológicos: sala de aula informal paracapacitação formal - as experiências do assentamento rural Araras 4
(Universidade Federal de São Carlos, 2012-10-19)
Given that the extinction of biodiversity, and considerable environmental and social degradation, is intrinsically linked to the conventional mode of production and consumption patterns, it becomes possible to identify ...
Práticas agroecológicas adotadas pelos agricultores familiares do Assentamento Vista Alegre no semiárido cearense
(Universidade Federal de São Carlos, 2013-06-27)
The adopted model of agriculture in the northeast of Brazil, has caused the degradation of the caatinga, reducing the soil productive capacity, income generation and food security in the semi-arid region. The preservation ...
Sistemas agroflorestais e a construção do conhecimento agroecológico em assentamentos rurais
(Universidade Federal de São Carlos, 2011-08-31)
The Sepé Tiaraju, the first one settlement in the mode of Sustainable Development Project PDS of São Paulo state, founded in 2004 in the sugarcane region of Ribeirão Preto/SP, has as a proposal being an alternative to ...
Quantificação de carbono sequestrado em sistema de cultivo da cana-de-açúcar em aleias
(Universidade Federal de São Carlos, 2012-06-28)
The present work aims to analyze the system of alleys, planting trees in rows associated with a commercial crop, in this case sugar cane, with three species of plants with timber characteristic, fertilize and fixative, ...
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 ...