| DOI: | 10.1038/ngeo2591
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| 论文题名: | The self-reinforcing feedback between low soil fertility and chronic poverty |
| 作者: | Barrett C.B.; Bevis L.E.M.
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| 刊名: | Nature Geoscience
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| ISSN: | 17520894
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| 出版年: | 2015
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| 卷: | 8, 期:12 | | 起始页码: | 907
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| 结束页码: | 912
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| 语种: | 英语
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| Scopus关键词: | agricultural production
; capital market
; poverty determinant
; smallholder
; soil fertility
; theoretical study
; urban economy
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| 英文摘要: | Most of the world's extreme poor, surviving on US$1.25 or less per day, live in rural areas and farm for a living. Many suffer chronic poverty that lasts for years or generations, rather than the transitory poverty that dominates developed, urban economies. Such chronic, structural poverty arises when an individual's productive assets-such as their ability to work or their soils-and the technologies and markets that transform their assets into food and income are insufficient to attain satisfactory living standards. Research reveals strong links between economic status and soil quality, and these can be self-reinforcing. For example, poor soil constrains agricultural production and household capital, and low household capital constrains investments in improving soils. Price, availability and access to credit can limit farmers' applications of nutrients, which are often the primary constraint on agricultural productivity. Soil micronutrient deficiencies can lead to dietary mineral deficiencies and negative health outcomes that further constrain productivity and household asset accumulation. Soils may also be important for smallholder resilience to stressors and shocks. For example, high-quality soil can reduce vulnerability to drought, and insurance against risk may promote investment in soils. Interventions such as fertilizer subsidies, micronutrient-fortified fertilizer and improved access to information, insurance and credit may all help break the soil-poverty cycle. © 2015 Macmillan Publishers Limited. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/106132
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| Appears in Collections: | 气候减缓与适应
科学计划与规划
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作者单位: | Charles H. Dyson School of Applied Economics and Management, Cornell University, Ithaca, NY, United States
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| Recommended Citation: | |
Barrett C.B.,Bevis L.E.M.. The self-reinforcing feedback between low soil fertility and chronic poverty[J]. Nature Geoscience,2015-01-01,8(12)
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