Contents 1. Introduction – biodiversity in agricultural ecosystems 2. Planned diversity and the functioning of agricultural systems 2.1. Intraspecific diversity 2.2. Species diversity 2.3. Habitat and landscape diversity 3. Unplanned diversity and the functioning of agricultural systems. 3.1. Pollination services 3.2. Soil processes 3.3. Natural pest control 4. Conclusions Bibliography Biograph...

This paper presents the significant function of the Chinese National Agricultural Library (CNAL) in the agricultural sci-tech innovation system in China, analyses the development of collection and service in the CNAL, explores the challenge towards sustain and develop information services for the agricultural sci-tech research and innovation, at last proposes the strategy for sci-tech document ...

the main purpose of this study was to evaluate the influence of entrepreneurial characteristics of members of technical and engineering companies and agricultural advisory services on their willingness toward entrepreneurial activities. entrepreneurship development plays an important role in job creation process which can eventually lead to the achievement of sustainable development goals in ag...

Compartmentalised extension prohibits the uptake of new technology thereby inhibiting agricultural growth. Extension services aimed at increased agricultural growth should have a market-led and evidence-based pluralistic advisory system that is coordinated by the government’s Agricultural and Technical Services division in response to the needs of farmers. This study sought to assess extension ...

Before the economic reform, or “Doi moi”, the north-western uplands of Vietnam, which are characterized by a complicated terrain and a high cultural diversity, were affected by high illiteracy rates, severe environmental degradation, and poor infrastructural facilities. The livelihoods of the rural upland communities were maintained through a combination of hillside swidden agriculture with low...

the purpose of this study is to identify factors affecting the development of entrepreneurship in theagricultural advisory services companies. the main instrument to collect the data was questionnaire and itsvalidity of questionnaire is confirmed by experts and its reliability is measured through cronbach’s alpha(75%). the data were analyzed by spss software version 16. the finding showed that ...

the major purpose of this study was to identify factors influencing the design of agriculturaladvisory service network in the west azerbaijan province of iran. the population of thisresearch consisted of consultants who provided services to farmers. by using a cochranformula, 306 respondents were selected. the results showed that consultants faced manyobstacles such as lack of necessary facilit...

In this paper, we analyze the effects of oil revenue shocks on different sectors of the Iranian economy. We use quarterly data of the Iranian economy from 1988:2 to 2011:1 to analyze a time-varying parameter VAR model with the Bayesian method. The results show that in the late 1980s and early 1990s, the positive effects of oil revenue were mostly emerged in the industrial and oil sectors, havin...

The purpose of this study is to identify factors affecting the development of entrepreneurship in theagricultural advisory services companies. The main instrument to collect the data was questionnaire and itsvalidity of questionnaire is confirmed by experts and its reliability is measured through Cronbach’s alpha(75%). The data were analyzed by SPSS software version 16. The finding showed that ...

The present status of education and training in agricultural meteorology is reviewed in relation to the agreed objectives of this interdisciplinary science. The major educational contribution of the agronomy faculties to the educational and research effort is acknowledged. The significant part played by the World Meteorological Organization Regional Meteorological Training Centres in the traini...