{"type": "FeatureCollection", "features": [{"id": "10.1007/s11104-011-0870-3", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:14Z", "type": "Journal Article", "created": "2011-07-05", "title": "Biochar Adsorbed Ammonia Is Bioavailable", "description": "Biochar is produced as a by-product of the low temperature pyrolysis of biomass during bioenergy extraction and its incorporation into soil is of global interest as a potential carbon sequestration tool. Biochar influences soil nitrogen transformations and its capacity to take up ammonia is well recognized. Anthropogenic emissions of ammonia need to be mitigated due to negative environmental impacts and economic losses. Here we use an isotope of nitrogen to show that ammonia-N adsorbed by biochar is stable in ambient air, but readily bioavailable when placed in the soil. When biochars, containing adsorbed 15N labelled ammonia, were incorporated into soil the 15N recovery by roots averaged 6.8% but ranged from 26.1% to 10.9% in leaf tissue due to differing biochar properties with plant 15N recovery greater when acidic biochars were used to capture ammonia. Recovery of 15N as total soil nitrogen (organic+inorganic) ranged from 45% to 29% of 15N applied. We provide a proof of concept for a synergistic mitigation option where anthropogenic ammonia emissions could be captured using biochar, and made bioavailable in soils, thus leading to nitrogen capture by crops, while simultaneously sequestering carbon in soils.", "keywords": ["ryegrass", "550", "ANZSRC::31 Biological sciences", "ANZSRC::0703 Crop and Pasture Production", "ANZSRC::050301 Carbon Sequestration Science", "ANZSRC::30 Agricultural", "04 agricultural and veterinary sciences", "540", "ammonia", "01 natural sciences", "7. Clean energy", "nitrogen", "veterinary and food sciences", "13. Climate action", "ANZSRC::0503 Soil Sciences", "ANZSRC::41 Environmental sciences", "0401 agriculture", " forestry", " and fisheries", "biochar", "ANZSRC::070304 Crop and Pasture Biomass and Bioproducts", "N stable isotope", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1007/s11104-011-0870-3"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Plant%20and%20Soil", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s11104-011-0870-3", "name": "item", "description": "10.1007/s11104-011-0870-3", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s11104-011-0870-3"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2011-07-06T00:00:00Z"}}, {"id": "10.1016/j.enpol.2013.07.078", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:17:25Z", "type": "Journal Article", "created": "2013-08-13", "title": "Retro-Analysis Of Liquid Bio-Ethanol And Bio-Diesel In New Zealand", "description": "This paper uses a new approach of retro-analysis. Typically policy is informed by forward-looking analysis of potential for alternative energy technologies. But historical knowledge of energy and processing requirements and greenhouse effects is more reliable for engineering evaluation of biofuel production systems. This study calculates energy inputs and greenhouse gas emissions for the most efficient biomass feedstocks in New Zealand if the policy had been implemented to maximize liquid biofuel production in the year 2004/2005. The study uses existing processing technologies and agricultural statistics. Bioethanol production is calculated from putrescible wastes and starch crops, and biodiesel production from rapeseed, tallow, wood and waste paper. Each production system is further evaluated using measures of land use, energy input, crop production related to the energy product, plus relative measures of efficiency and renewability. The research findings are that maximum biofuel production in 2004/2005 would have provided only a few per cent of demand, and would not have reduced dependence on foreign imported oil or exposure to fuel price rise. Finally, we conclude that demand management and efficiency are more effective means of meeting policy objectives.", "keywords": ["2. Zero hunger", "670", "330", "ANZSRC::4407 Policy and administration", "02 engineering and technology", "sustainability", "renewable energy", "7. Clean energy", "ANZSRC::3304 Urban and regional planning", "12. Responsible consumption", "ANZSRC::4802 Environmental and resources law", "Field of Research::10 - Technology::1002 - Environmental Biotechnology::100299 - Environmental Biotechnology not elsewhere classified", "13. Climate action", "strategic analysis", "ANZSRC::070108 Sustainable Agricultural Development", "11. 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