soil erosion is one of the most important forms of land degradation that threatens continued and sustained agricultural production in ghana. the most severely affected areas are the three northern regions especially upper east region, where large tracts of land have been destroyed by water erosion leading to soil depth reduction and decline in soil fertility. this study was carried out in talen...

results of an evaluation of the impact of agricultural science and technology (as and t) policy system institutions on efficiency and technical change in kenyan and ugandan agriculture are presented here. data envelopment analysis was used to derive efficiency and technical change and logistic regression applied to delineate as and t institutions that induced efficiency and technical progress. ...

In recent years, many countries have realized the need to revive agricultural extension services to promote pro-poor growth, reach poor marginalised smallholder farmers and address new challenges on sustainability, environmental degradation and climate change. This paper discusses evolving concepts and approaches in agricultural extension, past experiences of key countries, problems and failure...

Agricultural extension services have been playing a central role in transformation process of agricultural sector in Nigeria but there are challenges which affect the quality of service delivery especially increasing cost of services and poor funding and therefore, promoting emergence of new extension strategies offered by private sector . The study investigated the perception of maize crop far...

special series on agricultural advisory services Can agricultural extension1 systems deliver quality services to smallholder producers, often in remote areas? Yes, there is evidence that this is achieved in some developing and emerging economies. But this is by no means a common practice, and many extension systems continue to struggle with weak performance. This series of six papers seeks to u...

The International Food Policy Research Institute (IFPRI) was established in 1975. IFPRI is one of 15 agricultural research centers that receive principal funding from governments, private foundations, and international and regional organizations, most of which are members of the Consultative Group on International Agricultural Research. 1 Effective January 2007, the Discussion Paper series with...

The article introduces a control model of company’s market value factors on the basis of infrastructural representation of an innovative enterprise. In this model, factors are compared to indices that are used in strategic development decision-making. Infrastructural representation of the control object of an enterprise’s innovative activities (EIA) is implemented with the value maximization co...

considering the importance of extension agent as the mediator between farmers and experts, and their effective role in the transfer of knowledge and technology to farmers with the aim of achieving a sustainable agriculture system, the main purpose of this research was to analysis of the affecting factors on improvement of performance of extension agent from the farmers’ viewpoint in zahak towns...

One of the central duties of rural production cooperatives is to promote the adoption and application of sustainable agricultural practices by farmers, which hinges on several factors. Therefore, the study intends to evaluate the factors influencing the application of sustainable agricultural practices by paddy farmers. The research population included from all includes all  paddy farmers as me...

the main purpose of this study was to study the barriers to nanotechnology entrepreneurship development in the iranian agricultural sector. a descriptive- survey method was used for collecting data. the statistical population of this study consisted of 190 researchers who were working in the national agricultural research institutions (n=190). based on the krejcie and morgan table, a sample of ...