The availability of some supplementary cementitious materials, especially fly ash, is imminent concern in Europe due to the projected closure several coal-fired power generation plants. Pure kaolinitic clays, which arguably have potential replace are also scarce and expensive their use other industrial applications. This paper examines utilisation low-grade clays for construction purposes. clay...

The purpose of the study was to examine compliance of extension personnel in Imo state agricultural extension service delivery system of Nigeria. A purposive and multi-stage random sampling was used to select 105 extension personnel from the three agricultural zones of the state. Data generated were analyzed using descriptive statistics such as frequencies and percentages, as well as mean score...

Identifying role of extension system in adoption of new technologies have important role to developing favorable extension systems. For supporting sustainable agriculture in Iran needs extension systems to be carefully thought and accurately implemented. The purpose of this is analyzing role of extension activities in adoption of sustainable agriculture. Based on the results the attending agric...

the study examined the utilization of information and communication technologies by agricultural extension workers in niger state, nigeria. to achieve the study objective, 206 respondents were proportionately and randomly selected from the three agricultural zones in the state through multi-stage sampling technique. validated questionnaire with reliability coefficient of 0.81 was used to collec...

Rice husk ash is one of the most widely studied biomass ashes used in pozzolanic addition. Given its lower silica content, rice straw (RSA) has been explored less often, despite fact that, according to United Nations Food and Agriculture Organization (FAO), (RS) production estimated at 600 million tons/year. In this work, RSA was physically chemically characterized, properties were assessed. A ...