Buscar
Itens para a visualização no momento 1-10 of 16
Sustentabilidade de uma propriedade rural de base ecológica: um estudo de caso no Sítio Oliveira em Rio Claro/SP
(Universidade Federal de São Carlos, 2011-02-04)
Most of the territorial space of a city is used for agricultural purposes like crops, livestock or forest and a considerable amount of ecological problems are related to such activities, which, as productive processes, are ...
Sustentabilidade dos agroecossistemas com barragens subterrâneas no semiárido paraibano
(Universidade Federal de São Carlos, 2011-12-09)
The influence of subsurface dams in semi-arid agro-ecosystem sustainability must be studied from a systemic perspective to evaluate the dynamic sociopolitical, cultural, economic and environmental involving farmers as ...
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 ...
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 ...
Sensibilidade de variedades de milho (Zea mays) ao alumínio em solução
(Universidade Federal de São Carlos, 2011-07-04)
The influence of Al toxicity on the development of the root system and on the interference of nutrient absorption, typical of acidic soils, has been presented as one of the main causes of the low productivity of many crops ...
Transição agroecológica: estudo de caso da associação das mulheres - AMA Vergel
(Universidade Federal de São Carlos, 2011-02-03)
The agriculture modernization and industrial growth coupled with the implementation of public policies has led to a major exodus from the country, notably between the 60 s and 80 s when around 13 million people have fled ...
Atributos químicos e microbiológicos de solo cultivado com cana-de-açúcar sob manejo convencional e orgânico
(Universidade Federal de São Carlos, 2011-10-25)
The identification of soil quality indicators that demonstrate the alterations occurred in areas under organic management is important to determine the sustainability of this kind of cultivation. The soil microbial biomass ...
Agricultura urbana em Porto Ferreira/SP: mapeamento, caracterização e tipificação
(Universidade Federal de São Carlos, 2011-02-14)
Urban Agriculture (UA) is different from, and complementary to rural agriculture in local food systems, in that its practices are integrated into a local urban ecossystem. It has been proven as a multifunctional tool that ...
Efeito do biofertilizante no desenvolvimento de porta-enxertos de citros e na indução de resistência à gomose de Phytophthora
(Universidade Federal de São Carlos, 2011-11-09)
Among the problems faced by the plant citrus sector, stands out of Phytophthora gummosis, which affects all stages of plant development. For disease control chemicals are used, but seeking a more sustainable agriculture, ...
Valoração ecológica de áreas de preservação permanente
(Universidade Federal de São Carlos, 2011-07-15)
This dissertation uses Emergy Accounting tool, Ecosystem Functional Evaluation and System Ecology approaches to estimate the economic value of Permanent Preservation Areas in São Paulo State, Brazil. Economic values related ...