Conservative agriculture is considered as an alternative to tackle the need for increased agricultural production based on sustainable agriculture activities with the aim of increasing production and product stability along with preserving the environment. Tillage is one of the most important factors affecting soil structure. Selection of appropriate tillage systems varies according to the cond...

Reducing energy consumption of sensor nodes to prolong the lifetime of finite-capacity batteries and how to enhance the fault-tolerant ability of networks are the major challenges in design of Wireless Sensor Networks (WSNs). In this paper, we present an energy-efficient system of WSNs for black pepper monitoring in tropical areas. At first, we optimized the base station antenna height in order...

O artigo em debate apresenta questões fundamentais para a discussão sobre os impactos dos agrotóxicos na saúde e ambiente, a partir de uma análise crítica da política econômica e agrícola brasileira. Em termos do mercado de agrotóxicos e sementes, pode-se somar a esta análise algumas expressões do modelo neoliberal, como a dinâmica das fusões realizadas neste setor. Em 2001, após esta onda de f...

Controlled environment agriculture (CEA)/greenhouse vegetable production is one of the most exacting and intense forms of all agricultural enterprises. In combination with greenhouses, hydroponics or soilless cultivation is becoming increasingly popular. It is high technology and can be capital intensive. CEA is highly productive, conservative of water and land and protective of the environment...

For a successful outcome at COP 15 in Copenhagen in December, viable policy paths for effective climate change mitigation need to be provided. In addition, adaptation is unavoidable. One key point is the integration of agriculture (accounting for 10-12% of global emissions, Smith et al. 2007) in a post-2012 agreement. Its main potential lies in its significant capacity to sequester CO2 in soils...

background: seroma formation is a common complication after breast cancer surgery. several techniques such as tube drainage, fibrin sealant and suturing methods have been employed to prevent or reduce seroma formation. capitonnage, a suturing method widely used following hydatid cyst removal, has been used after breast surgery in limited studies. our aim was to compare the effectiveness of tube...

determining the optimal pattern for growing crops in accordance with the availability of the resources and risk factors as well as the uncertainty of agriculture sector would help the farmers, managers and economic planners in selecting the type of the product and the level of cultivation. fuzzy programming model with interval programming approach is used in this study to determine the optimal ...