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There is growing interest from the global development community in the role of agricultural research and extension (AR & E) systems to achieve development targets. Despite this interest, many smallholders in developing countries continue to lack access to updated agricultural information and reliable services. In an effort to increase the effectiveness, impact, and reach of AR & E programs, many governments have attempted to reform their national systems. The paper aims to discuss these issues.

This paper systematically compares the systems and reforms of AR & E in China and India in order to draw out lessons applicable to developing countries. This paper first reviews the existing literature on AR & E systems and their role in agricultural and economic development. The authors then provide a detailed review and comparative analysis of the reforms and approaches implemented in the AR & E systems of China and India. The authors apply this comparative analysis to draw out lessons that can be applied to inform the reformation of AR & E systems in developing countries.

The authors find that although both countries face similar agricultural development challenges, each took a different approach in the reformation of AR & E to address these challenges. Each country’s approaches had different impacts on the effectiveness of the system. Lessons from the reformation of the AR & E systems in China and India can be used to inform and improve the impact of AR & E in developing countries.

The paper examines two systems together using a set of common indicators and factors. The paper’s value comes from its usefulness in informing future AR & E reforms in other developing countries in order to increase the impact of these reforms on development outcomes.

The negative externalities of pesticide overuse increasingly concern the public. However, little empirical evidence has been provided for pesticide overuse and the relationship between the governmental agricultural extension system reforms and pesticide use in grain production from a nationwide perspective. The purpose of this paper is to estimate the productive effect and overuse of pesticides, and it also investigates the effect of the governmental agricultural extension system reforms on pesticide expenditure in rice, maize and wheat production in China.

A two-equation system model consisting of an exponential-specific damage-control production function and a pesticide use function is applied to the provincial-level data during the period 1985–2016.

While pesticide expenditure significantly increases grain productivity, the actual pesticide expenditure exceeds the economically optimal level. The commercialization reform of the governmental agricultural extension system contributed to the increase in pesticide expenditure. Moreover, the de-commercialization reform of the governmental agricultural extension system plays a limited role in pesticide reduction. Price fluctuations for grain and pesticide also impose significant effects on pesticide expenditure.

This study has two important policy implications for pesticide reduction in China. It is urgent to specify the functions of the governmental agricultural extension system, and encourage the development of the socialized agricultural technology service. More efforts should also be made to remove the bureaucratic intervention on the pricing mechanism of grain product and pesticide.

Northern Vietnam is a mountainous area where most farmers' livelihoods depend on maize production. Beside training in farming techniques, since 2013 extension courses on market access have been gradually delivered to maize farmers to help them save production costs and increase earnings.

By applying robust regression and Tobit models to estimate technical efficiency (TE), the difference-in-difference (DID) technique is used in this study to determine the change in the TE of 1,035 farmers in the period 2013–2015 in Northern Vietnam.

The DID estimator indicated the initial success of extension courses by showing a faster increase in the TE of the receivers compared to that of non-receivers. However, co-operation in production and marketing by maize farmers and access to micro-credit resulted in an insignificant impact on the TE of maize farmers in 2015. These low impact results highlighted the inefficiency of the extension and micro-credit programmes and that raised the concern of policymakers. The distance to local market signifies the determination of farmers on their crops affected by how close their location to their input/output marketplaces.

The Land Policy of the government should take into careful consideration measures to exploit all potential production and to mitigate poverty as well as foster the development of the region.

The expansion of extension courses on access to market has been recognised as an effective method to increase farmer's efficiency.

The purpose of this paper is to explore the effect of agricultural extension services provided by public sector on the individual technology adoption behaviour of rice farmers in Sri Lanka.

The study used data from a cross sectional survey conducted in seven rice procuring regions in Sri Lanka. Eight rice technologies were selected to explore the effect of extension service on adoption behaviour of rice farmers using probit models. The extension service variable was identified as potentially endogeneous and instrumented using average extension for each region.

The results revealed that the extension service variable was positive and indicative of a high level of significance in all the rice technologies promoting the adoption. Hence the public agricultural extension service programmes were considered as significant explanators of technology adoption. The farmers who received agricultural extension service were more likely to adopt a technology.

At present, the position of agricultural extension service is questioned and the future is unknown. Therefore, this study advises policy makers to prioritise agricultural policies to strengthen public spending on agricultural extension for effective adoption of technological innovations.

The paper adds solid empirical evidence to the literature on technology adoption behaviour from a peasant agricultural context in a developing country scenario that uses farm level data. Moreover, the study contributes to the literature by reiterating the significance of public provision of extension and training programmes as a direct motive in the technology adoption behaviour of farmers.

The purpose of this review article is to demonstrate how the quasi-experimental approach has been used to study environmental and natural resource issues related to agricultural production.

This review article first provides a short introduction to the quasi-experimental approach using the potential outcomes framework and then uses studies on the environmental sustainability of agricultural production to illustrate how quasi-experimental methods have been applied. Papers reviewed consist of studies that estimate the environmental externalities from agricultural production, evaluate agri-environmental and other related policies and programs, and demonstrate issues related to on-farm resource use and climate adaptation.

Difference-in-differences (DID) and two-way fixed effects methods that utilize the spatial and temporal variation in panel data are widely used to estimate the causal impact of changes in agricultural production and policy on the environment. Utilizing the discontinuities and limits created by agricultural policies and regulations, local treatment effects on land and other input use are estimated using regression discontinuity (RD) or instrumental variable (IV) methods with cross-sectional data.

Challenges faced by the food systems have made agricultural sustainability more critical than ever. Over the past three decades, the quasi-experimental approach has become the powerhouse of applied economic research. This review article focuses on quasi-experimental studies on the environmental sustainability of agriculture to provide methodological insights and to highlight gaps in the economics literature of agricultural sustainability.

The purpose of this paper is to explore the purposes and current outcomes of Bachelor of Agricultural Science degree program in Austria. It identifies the ability of higher agricultural education (HAE) curriculum to meet its purpose by way of validating its current outcomes.

The study used survey research design to purposively sample faculty members and graduating students under the bachelor degree program of Agricultural Science at BOKU University of Natural Resources and Life Sciences, Vienna. In addition to a self-administered questionnaire, key informant interviews were also conducted to validate the data gathered.

The Bachelor of Agricultural Science degree program in Austria aims to develop the student scientific understanding of theoretical and practical aspects of agriculture. The program also gears toward developing their lifelong learning skills. Analysis of the difference reveals congruence in the perceptions of agricultural education professionals and students regarding the intended and expected learning outcomes of the HAE curriculum. The findings affirm how the purposes and outcomes of HAE curriculum have been met successfully and their implications to BS Agriculture curriculum in the University of the Philippines. The findings are grounded on the firm foundations of Austrian higher education system from their strategic curriculum planning, design, and implementation to evaluation where all stages are done in consultation with the various stakeholders. Truly a community of dedicated members of the academic and administrative staff is a powerful tool toward curricular advancement in HAE institutions.

The subject of this study, in particular BOKU University, provides a concrete example that not only the University of the Philippines Los Baños but all the other agricultural universities around the world could learn from.

This study serves as a springboard for the development of new and innovative models of curriculum and instruction in the Philippines and other agricultural developing countries in the world.

This is an original study that provides discussion on the link between a developed country as a possible model and a developing country in terms of HAE. It helps the HAE institutions realize the ways on how their educational aspirations will turn into reality when it comes to fulfilling their role in supplying a well-trained and productive workforce for the agricultural economy toward sustainable agriculture development in one’s own country.

Smallholder farmers often deal with lack of information and knowledge, weak financial capacity and limited collaboration and network orientation. This is hampering their ability to adopt or co-develop innovation, and to participate in value chain exchanges. This calls for using intermediary organizations. The purpose of this paper is to understand how innovation intermediaries engage with smallholder farmers and provoke value chain reconfigurations.

The authors systematically review literature to draw cases on intermediaries operating in the agri-food sector in several geographical and socio-economic contexts. The authors then adopt a theory building from cases approach to identify relationships between smallholder farmers and innovation intermediaries, and their effects in the reconfiguration of value chains.

Consultants, knowledge transfer organizations (KTOs) and broker organizations (BOs) are the three typologies of intermediaries identified. While consultants facilitate change by modifying the way smallholders engage in transactions with their buyers and input providers, KTOs focus on farmers engagement in the value chain by stimulating the formation of knowledge platform or partnership. BOs operate in a similar way as compared to KTOs but mainly by forming and facilitating access to informal networks.

The authors build a framework in which relationships between typologies of intermediary organizations and types of innovation processes are connected with changes at value chain level.

The authors highlight how diverse forms of intermediations may stimulate not only smallholder farmers’ participation in innovation networks but also value chain reconfigurations.

The poor performance of public agricultural extension systems in developing countries engendered interest in pluralistic concepts of extension involving a variety of service providers. Within the reform agenda, modalities relying on private‐sector providers were perceived as a path to improvement. This paper aims to assess the potential and limitations of such modalities.

The paper discusses the conceptual underpinnings of these extension approaches, highlights theoretical and practical challenges inherent in their design, and provides an assessment of several performance‐based case studies described in the formal and informal literature.

Many of the modalities reviewed entail partnerships between the public sector, farmers' organizations or communities, and private‐sector providers. The paper concludes that while private‐sector participation can overcome some of the deficiencies of public extension systems, there are also challenges that have been faced, including misuse of public funds, insufficient accountability to farmers, inequitable provision of service, inadequate quality, and limited coverage of the wide range of farmers' needs.

The review suggests that private‐sector involvement in extension is no panacea. Extension systems need not be uniform, and will require different providers for different clienteles, with public providers and funding focusing more on smaller‐scale and less commercial farmers. The public sector may need to provide some regulatory oversight of private‐sector extension activities, particularly when public funding is involved.

The paper draws conclusions from a diverse range of experiences, some of which are recent, and provides comparative insights. It may be of interest to development scholars and practitioners.

Is there a “best” way to set up national systems to develop and transfer better agricultural technology? The answer is of particular significance to African countries, which are struggling to solve their food problems. Drawing on a comparison of two developing countries, this article argues that a matrix structure, in which there are multiple organisational links reaching upward and across the system, is essential to propagate new farming technology. Successful restructuring of technology systems along these lines, however, requires political mobilisation of farmers, something few African governments have been willing or able to do.

Nobody concerned with political economy can neglect the history of economic doctrines. Structural changes in the economy and society influence economic thinking and, conversely, innovative thought structures and attitudes have almost always forced economic institutions and modes of behaviour to adjust. We learn from the history of economic doctrines how a particular theory emerged and whether, and in which environment, it could take root. We can see how a school evolves out of a common methodological perception and similar techniques of analysis, and how it has to establish itself. The interaction between unresolved problems on the one hand, and the search for better solutions or explanations on the other, leads to a change in paradigma and to the formation of new lines of reasoning. As long as the real world is subject to progress and change scientific search for explanation must out of necessity continue.