撒哈拉以南非洲大豆生产可持续集约化的前景

IF 0.4 Q4 AGRICULTURAL ECONOMICS & POLICY African Journal of Agricultural and Resource Economics-AFJARE Pub Date : 2020-12-31 DOI:10.53936/afjare.2020.15(4).23
Deepayan Debnath, S. Babu
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引用次数: 5

摘要

撒哈拉以南非洲(SSA)国家的大豆产量存在显著差距。农业部门的可持续集约化以缩小这种产量差距非常重要。提高大豆产量,再加上当地畜牧业对豆粕的需求增加,就能满足对食品和饲料日益增长的需求。本研究进行了事前经济分析,以确定高大豆产量对SSA国家内贸易和土地利用的影响。我们发现,在埃塞俄比亚,大豆产量提高50%可以使大豆生产的总回报增加1.86亿LC(当地货币),在尼日利亚增加360亿LC。我们的研究表明,单是大豆产量的增长就足以提高大豆油的产量,因为大豆的碾碎产生18%的油和79%的豆粕。虽然提高生产力可能会腾出土地来生产高价值的经济作物,但在畜牧业缺乏豆粕需求的情况下,投资者将不愿投资于压榨设施。因此,决策者需要在发展组织、私营公司、农民和研究人员之间建立合作,以实现这种转变,从而提高农业生产率。
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Prospects for sustainable intensification of soybean production in sub-Saharan Africa
There is a significant soybean yield gap in sub-Saharan African (SSA) countries. Sustainable intensification of the agricultural sector to reduce such a yield gap is important. Increasing soybean productivity can meet the growing demand for food and feed when complemented with higher soy meal demand by the local livestock industry. This study performs an ex-ante economic analysis to determine the effect of higher soybean production on trade and land use within SSA countries. We find that increasing soybean yield by 50% can increase the total returns from soybean production by 186 million LC (local currency) in Ethiopia and 36 billion LC in Nigeria. We show that soybean yield growth alone is enough to boost soy oil production, as the crushing of the beans produces 18% oil and 79% meal. While increasing productivity may lead to freeing land to produce high-valued cash crops, investors will be reluctant to invest in the crushing facilities in the absence of soy meal demand by the livestock industry. Therefore, policymakers need to establish collaboration between development organisations, private companies, farmers and researchers to achieve this transformation and thereby raise agricultural productivity.
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来源期刊
CiteScore
1.20
自引率
16.70%
发文量
8
期刊介绍: The African Journal of Agricultural and Resource Economics (AfJARE)/Journal Africain d’Economie Agricole et des Ressources (JAEAR) is a publication of the African Association of Agricultural Economists (AAAE). The journal publishes original research about how African agriculture interacts with local and global economic systems and policy regimes in its impacts upon people. The scope of the journal covers the roles of markets, technology, policy, institutions and the natural environment in shaping the lives of well being of Africans engaged in agricultural activities. The journal strives to nurture and enhance the capacity of African professionals to conduct and publish scientific research and provides a venue for communicating and disseminating their findings. Multi-disciplinary, problem-oriented articles are encouraged. Submissions may deal with teaching, research extension, consulting, advising, entrepreneurship and administration. The Chief Editors and Editorial Board, under the general direction of the AAAE President, Executive Committee and Council are charged with implementing Journal policy to serve members of AAAE. The main section of the journal publishes technical research articles while a small section is devoted to publishing brief notes with important policy content and book reviews. The journal is a quarterly publication.
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