Suchergebnisse

"We are asking the government to return our forest and help us protect it. We need the forest to teach our children our culture."

Serving as a parliamentarian in late-1940s Turkey, Dr. Mehmet Serif Korkut wrote of his perceptions of the gravest danger to Turkish workers and the nation: malaria. In his view as physician and politician, the greatest factor exacerbating this disease involved the rapid -though legally regulated- expansion of rice cultivation within the country. Addressing this problem through his writings, Korkut connected this commodity with conditions of unchecked agrarian capitalism and impoverishment. In such a context, he argued, rice farming caused the state to be plagued with corruption and the peasantry with malaria. Relying upon his primary texts and supported by archival research, this article presents and analyses a unique critique of agrarian capitalism from Turkey's early Cold War era. In doing so, it contributes to a broader appreciation for the diversity of sources, ideas, and linkages between histories of agriculture and public health. ; Siendo parlamentario en Turquía en los años finales de la década de los cuarenta del siglo xx, el Dr. Mehmet Serif Korkut escribió sobre lo que consideraba que era el peligro más grave para los trabajadores turcos y para el país: la malaria. Desde su punto de vista, como político y como médico, el principal factor que explica la difusión de esta enfermedad era la rápida, aunque legalmente regulada, expansión del cultivo del arroz en el país. Afrontando este problema desde sus escritos, Korkut vinculó este producto con las condiciones del capitalismo agrario y el empobrecimiento. En este contexto, argumentó que el cultivo del arroz favoreció la extensión de la corrupción en la administración pública y de la malaria entre el campesinado. Basándose en sus textos y con el apoyo de investigación archivística, este artículo presenta y analiza una crítica singular del capitalismo agrario en la Turquía de los primeros años de la guerra fría. De este modo, se contribuye a una apreciación más amplia de la diversidad de fuentes, ideas y vínculos entre la historia de la agricultura y la salud pública.

While food and nutrition security are issues that national and international organizations are tackling, one of the central problems often overlooked is the essential role of soils in providing nutritious food. Soils are the base for food production and food security. However, the majority of soils are in fair and poor conditions, with the most significant threats being erosion and loss of nutrients. In this study, we estimate the potential of soil loss, agricultural productivity loss, and nutrient loss for Brazil's most important agricultural region, the Brazilian Cerrado, for the years 2000 and 2012. For this, we applied the Revised Universal Soil Loss Equation (RUSLE) model integrated with a geographical information system (GIS) to estimate annual soil loss rate and agricultural productivity loss, and used total nitrogen and total phosphorus in soil to estimate the annual nutrient loss rate caused by soil loss. All model factors and data were obtained from the literature. The results show that agricultural expansion in the Brazilian Cerrado is increasing the area of severe erosion, occasioning agricultural productivity decrease and soil nutrient depletion. The annual soil loss rate increased from 10.4 (2000) to 12.0 Mg ha-1 yr-1 (2012). Agricultural productivity loss occurred in more than 3 million hectares of crops and silviculture in 2000 and in more than 5.5 million hectares in 2012. Severely eroded areas lost between 13.1 and 25.9 times more nutrients than areas with low and moderate soil loss rates. These findings show that government policy should be directed to ensure the sustainable use of soils, mainly in agriculturally consolidated regions of the Brazilian Cerrado.

While food and nutrition security are issues that national and international organizations are tackling, one of the central problems often overlooked is the essential role of soils in providing nutritious food. Soils are the base for food production and food security. However, the majority of soils are in fair and poor conditions, with the most significant threats being erosion and loss of nutrients. In this study, we estimate the potential of soil loss, agricultural productivity loss, and nutrient loss for Brazil&rsquo ; s most important agricultural region, the Brazilian Cerrado, for the years 2000 and 2012. For this, we applied the Revised Universal Soil Loss Equation (RUSLE) model integrated with a geographical information system (GIS) to estimate annual soil loss rate and agricultural productivity loss, and used total nitrogen and total phosphorus in soil to estimate the annual nutrient loss rate caused by soil loss. All model factors and data were obtained from the literature. The results show that agricultural expansion in the Brazilian Cerrado is increasing the area of severe erosion, occasioning agricultural productivity decrease and soil nutrient depletion. The annual soil loss rate increased from 10.4 (2000) to 12.0 Mg ha&minus ; 1 yr&minus ; 1 (2012). Agricultural productivity loss occurred in more than 3 million hectares of crops and silviculture in 2000 and in more than 5.5 million hectares in 2012. Severely eroded areas lost between 13.1 and 25.9 times more nutrients than areas with low and moderate soil loss rates. These findings show that government policy should be directed to ensure the sustainable use of soils, mainly in agriculturally consolidated regions of the Brazilian Cerrado.

This paper examines ways in which development policies interact and influence incentives for agricultural expansion in frontier areas. We develop a model of household response to economic and technical stimuli, conditional on agronomic and household characteristics. We evaluate the model empirically using survey data gathered from low-income corn and vegetable farms near a national park in the southern Philippines. We find that within farms, land allocation is responsive to relative crop prices and yields. However, different crops elicit different responses. In particular, some crop expansion takes place primarily through land substitution and intensified input use, while changes in prices or yields of other crops induce an expansion of total farm area. Land and family labor constraint bind at different points for different crops. These results suggest that because multiple policies interact, environmental policies must have multiple strands in order to replace incentives to further land expansion.JEL codes: Q12, Q24, O13.

The current study sought to investigate the factors influencing the conversion of forest lands to agricultural areas, which is primarily a result of agricultural expansion. This phenomenon is recognized as a significant driver of land use and land cover change in Ghana. Data was collected from land managers (commercial and subsistence farmers) who are major decision-makers on accelerated farm land expansion in districts known for large-scale food and tree crop production. The method used for data collection was the Analytical Hierarchy Process (AHP). APH was used to assess factors that influence farmers' decisions to expand their farms. These are economic, environmental, social, and policy factors that were weighted to determine the most important factors of agricultural expansion. Study results showed that economic factors were weighted above other factors in terms of importance when it came to making decisions on farm expansion. Environmental and social factors were second and third, respectively, while policy factors were weighted as the least important factors. The study provides valuable insight into key factors that influence land managers farm expansion decisions and how land-use change can be addressed. The study concludes that the Analytic Hierarchy Process is a useful method for analyzing multiple factors considered by farmers when expanding their farms, despite its limitations.

Understanding the dynamics of agricultural expansion, their drivers, and interactions is critical for biodiversity conservation, ecosystem-services provision, and the future sustainability of agricultural development in Sub-Saharan Africa (SSA). However, there is limited understanding of the drivers of agricultural expansion. A systematic review of the drivers of agricultural expansion was conducted from 1970 to 2020 using Web of Science, Elsevier Scopus and Google Scholar. Two researchers reviewed the papers separately based on inclusion and exclusion criteria. Fifteen papers were included in the final systematic review. The paper proposed expansion pathways in a conceptual framework and identified proximate and underlying drivers. Population dynamics and government policies were found to be key underlying drivers of agricultural expansion. The proximate drivers include economic opportunities such as agriculture mechanisation and cash crops production, and more troubling trends such as soil fertility decline and climate change and variability. This paper further explores the constraints that have been found to slow down agricultural expansion, including strong land institutions and good governance.