Agriculture

The use of chemical fertilizers in developing countries made possible the Green Revolution, and as a result many regions once visited by periodic famines are now food self-sufficient. However, there is a growing recognition that the injudicious use of chemical fertilizers may have adverse environmental consequences including toxic algal blooms and damage to productive ocean fisheries.

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The goals of this paper are to help build a clear picture of the role of women in China's agriculture, to assess whether or not agricultural feminization has been occurring, and if so, to measure its impact on labor use, productivity, and welfare. To meet this goal, we rely on two high quality data sets that allow us to explore who is working on China's farms, and the effects of these decisions on labor use, productivity and welfare. The paper makes three main contributions. First, we establish a conceptual framework that we believe commences an effort to try to more carefully define the different dimensions of agricultural feminization and its expected consequences. Second, we make a contribution to the China literature. Perhaps surprisingly, we believe we have mostly debunked the myth that China's agriculture is becoming feminized. We also find that even if women were taking over the farm, the consequences in China would be mostly positive, from a labor supply, productivity and income point of view. Finally, there may be some lessons for the rest of the world on what policies and institutions help make women productive when they work on and manage in a nation's agricultural sector. Policies that ensure equal access to land, regulations that dictate open access to credit, and economic development strategies that encourage competitive and efficient markets all contribute to an environment in which women farmers can succeed.

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Working Papers
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Scott Rozelle

Climate shocks leading to floods and droughts present high levels of uncertainty and difficulties in decision making for water district managers, agricultural producers, and policymakers throughout the world. This project focuses on the impacts of El Nino-Southern Oscillation (ENSO) events on precipitation and temperature variability, and in turn on water management and crop production, in one of China's major rice bowls, Jiangxi Province. Jiangxi is also one of China's poorest provinces, where swings in crop production and prices can jeopardize rural incomes and food security.

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Access to an adequate energy supply at reasonable cost is crucial for sustained economic growth. Unfortunately, oil prices and the need to import from politically unstable countries lowers the reliability of the US energy supply and hinders economic development. Although biofuels have been identified as an important component of the national strategy to decrease US dependence on foreign oil, the ability to sustain a rapid expansion of biofuel production capacity raises new research and policy issues. This document seeks to identify the most critical of these issues to help inform the policy development process. The goal is to enhance the long-term economic and environmental viability of the biofuel industry and its positive impact on agriculture, rural communities, and national security.

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CAST Report
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Kenneth Cassman
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In this report, we seek to meet the specific objectives of the first phase of China's study. The key goal of this study in China is to prepare evidence-based policy advice concerning the implications and opportunities for fruit producers during a period of a boom in horticulture demand and a restructuring of downstream markets and commercialization. Hence, the research in Phase 1 concentrates on identifying the determinants and consequences of restructuring of the horticulture sector in China. The analysis is conducted on three levels: macro (the policy issues and the national business environment), meso (the different chain segments and villages) and micro (household level). Because of space limitation and timing of the research the linkages between the first two levels are analysed in this report. The micro study will be carried out during the upcoming phase.

The research for this report is structured into two parts: a.) the national-meso level and b.) the local-meso level. In part 1 key policy issues, broad fruit supply chain issues and key stakeholders are identified. This part is intended to set the stage for the analysis done in part 2 and the forthcoming household study. The goal of part 1 is to analyze the evolution of China's restructured supply chain at a national level over a period of the past 10 or more years. With this background, the objective of part 2 is to study in more depth the restructuring changes that are occurring inside China's rural communities and within the markets. It also will provide context for the forthcoming micro-level study. In particular, we primarily study how marketing supply chains are operating and evolving within villages; inside wholesale markets and inside supermarkets.

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Policy Briefs
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Scott Rozelle
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The supermarket revolution has arrived in China and is spreading as fast as or faster than anywhere in the world. As the demand for vegetables, fruit, nuts and other high valued products has risen, urban retailers are handling increasingly more of these high value commodities. The experience of many developing countries suggests that there could be serious distributional impacts of the emergence of supermarkets. And, in China, as elsewhere in the world, there is concern among policy makers and academics that poor, small farmers might be excluded from the market for horticulture commodities.

The main goal of our paper is to understand what types of farmers have been able to participate in the horticultural revolution, how they interact with markets and how supply chains affect their production decisions and incomes. We also want to understand if (and if so, then how) the rise of supermarkets have changed supply chains. Our analysis uses spatially sampled data from 200 communities and 500 households in the Greater Beijing area and supplemented by data collected in Shandong Province, China's fruit and vegetable basket. In contrast to fears of some researchers, we find small and poor farmers have actively participate in the emergence of China's horticulture economy. Moreover, there has been almost no penetration of modern wholesalers or retailers into rural communities. We also conducted surveys and interviews in wholesale markets and with procurement agents in Beijing supermarket chains and document the fact that supply chain shifts have only affected the downstream segments of food markets and China's wholesale markets (midstream in the food supply chain) are only being affected marginally.

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Scott Rozelle
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The purpose of this paper is to present estimations of indicators of direct and indirect interventions of China's government in agriculture. In order to put these indicators in context, the paper reviews China's experience with policy reforms since the 1950s and the measures the effects of these reforms on the agriculture sector. Unfortunately, due to data constraints, we can only produce quantitative measures of distortions since the early 1980s, that is for the past 25 years. Due to the nature of China's agricultural experience over the last six decades, this review emphasizes the sectoral and macroeconomic policies and elements of the institutional framework that have influenced the incentive framework facing the sector and factor markets. The tradeand price/marketing-policy-related changes in incentives for different products are reflected in estimated rates of government assistance (Nominal Rates of Assistance, NRAs, Direct Rates of Assistances, DRAs and consumer subsidies).

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Scott Rozelle
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The history of groundwater in China is one of extremes, or apparent extremes. Before the 1960s, the story was one of neglect; only a small fraction of China's water supply came from groundwater (Nickum, 1988). Almost none of the Ministry of Water Resource's investment funds were allocated to the groundwater sector until the late 1960s. Certainly, to the extent that underground water resources were valuable, China was ignoring a valuable resource. Since the mid-1970s, however, the prominence of the groundwater sector has risen dramatically. Over the last 30 years, agricultural producers, factory managers and city officials, far from ignoring groundwater resources, have entered an era of exploitation (Smil, 1993; Brown and Halweil, 1998). Arguably, there have been more tube wells sunk in China over the last quarter century than anywhere else in the world. As a share of total water supply, ground water has risen from a negligible amount across most of China to being a primary source of water for agriculture, industry and domestic use in many of the nation's most productive regions. Unfortunately, the resulting fall in groundwater tables has been one of China's most serious environmental problems.

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Chapter in The Development, Challenges and Management of Groundwater in Rural China. Groundwater in Developing World Agriculture: Past, Present and Options for a Sustainable Future, Edited by Mark Giordano and Tushaar Shah, International Water Manage
Authors
Scott Rozelle
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