This edition updates a narrative that has been at the forefront of soil science for more than a century. With proper management in drought prone area could enhance the productivity of associated crops and /or the Senegal tree has the potential to improve soil fertility beneath its canopy, and retaining of this tree on crop field Though not significant, sorghum yield was slightly higher at under canopy zone than open field. Soil bulk density was significantly (p0.05) influenced by Acacia Senegal tree. Was not influenced significantly (P>0.05) by Acacia senegal tree. Whereas, only distance factor from tree trunk with four levels (at the crown radius of 0.5m, mid, edge and openįield), arranged in CRD replicated five times were used for sorghum yield. Open field), and soil depth with two levels (surface 0 – 15cm and subsurface 15 – 30cm soil layers) withįactorial arrangement in RCBD replicated five times were employed for soil physico-chemical properties. Twoįactors: distance from tree trunk with four levels (at 0.5m of crown, mid of crown, edge of crown radius and Tree species on some selected soil properties, and sorghum yield in Mieso District, Oromia, Ethiopia. Thus, this study was initiated to investigate the effect of this Soil physicochemical properties and sorghum yield. Is retained by farmers on their farm field in Mieso area but scientific information is lacking about its effect on Finally, the book explores policy options to support the social, environmental and economic benefits of a bioeconomy.Acacia senegal is a dry land tree species that produces diverse socio- economic and ecological benefits. Fictional scenarios to 2030 are included to encourage readers to reflect on the interplay between policy choices and technological advances in shaping the bioeconomy. Moving to a broader institutional view, it also looks at the roles of R&D funding, human resources, intellectual property, and regulation in the bioeconomy, as well as at possible developments that could influence emerging business models. It describes the current status of biotechnologies and, using quantitative analyses of data on development pipelines and R&D expenditures from private and public databases, it estimates biotechnological developments to 2015. The Bioeconomy to 2030: Designing a Policy Agenda begins with an evidence-based technology approach, focusing on biotechnology applications in primary production, health, and industry. The bioeconomy’s success is not, however, guaranteed: harnessing its potential will require coordinated policy action by governments to reap the benefits of the biotechnology revolution. These benefits are expected to improve health outcomes, boost the productivity of agriculture and industrial processes, and enhance environmental sustainability. If it continues on course, the bioeconomy could make major socioeconomic contributions in OECD and non-OECD countries. From a broad economic perspective, the bioeconomy refers to the set of economic activities relating to the invention, development, production and use of biological products and processes. The biological sciences are adding value to a host of products and services, producing what some have labelled the “bioeconomy”. See also the more recent report Meeting Policy Challenges for a Sustainable Bioeconomy (2018) Green growth and sustainable development.
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