The role of biochar in increasing crop land productivity and the removal of atmospheric greenhouse gases

生物炭在提高农田生产力和去除大气温室气体方面的作用

• 批准号: 10022337
• 金额: $ 27.47万
• 依托单位: RE GENERATION EARTH LIMITED
• 依托单位国家: 英国
• 项目类别: Responsive Strategy and Planning
• 财政年份: 2022
• 资助国家: 英国
• 起止时间: 2022 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=10022337
• 关键词: role; biochar; increasing; crop; land

Biochar has been used by various civilisations for centuries to increase the fertility of soils. the Terra Pretta (dark earth) soils of the Amazon are still amongst the most fertile in the world. Anecdotally on the lead applicants farm, where large wooded areas were cleared in the 1960's the fire sites can still be seen, showing up as dark green, more healthy patches of crop.Attention is being paid to biochar again as a means to turn farm waste streams, in particular tree and hedge prunings and soft fruit growth media (coir) that might otherwise get burnt on farm or sent to landfill, into biochar to apply to land. Biochar is a very stable form of carbon that will remain in the soil for centuries. When mixed with composts or manures it becomes activated as its millions of pores fill with nutrient, again making the nutrients more stable and more available to plants.This project will investigate how a modern biochar production facility can play its part in the reversal of climate change and increasing productivity of soils on local farms in the Kent and Medway region. By working with an innovative plasma biochar retort and the University of Kent the project will demonstrate efficient on farm biochar production, demonstrate how much CO2 can be removed from the atmosphere and locked into soils and how biochar can increase soil fertility and productivity.What makes this project innovative is that although this is an old technique no one at present has applied it in a modern context. The project shall seek to demonstrate how on farm biochar production can be brought into use to ensure more productive and climate resilient farming businesses.The project will work out the life cycle analysis of the carbon embedded in biochar when applied to land and the benefits to soil fertility and in particular the soil microbiome and how that influences soil fertility.

几个世纪以来，各种文明一直在使用生物炭来提高土壤的肥力。亚马逊的 Terra Pretta（黑土）土壤仍然是世界上最肥沃的土壤之一。有趣的是，在主要申请者的农场，大片林地在 1960 年代被清理，但火灾现场仍然可见，表现为深绿色、更健康的农作物斑块。生物炭作为一种转化农场废物的手段再次受到关注溪流，特别是树木和树篱修剪物以及软果生长介质（椰壳纤维），否则可能会在农场燃烧或送往垃圾填埋场，转化为生物炭以应用于土地。生物炭是一种非常稳定的碳形式，可以在土壤中保留几个世纪。当与堆肥或肥料混合时，它会被激活，因为其数以百万计的孔隙充满养分，再次使养分更加稳定，更容易被植物利用。该项目将研究现代生物炭生产设施如何在逆转气候变化中发挥作用提高肯特和梅德韦地区当地农场的土壤生产力。通过与创新的等离子生物炭干馏炉和肯特大学合作，该项目将展示农场生物炭生产的效率，展示可以从大气中去除多少二氧化碳并将其锁定在土壤中，以及生物炭如何提高土壤肥力和生产力。该项目的创新之处在于，尽管这是一项古老的技术，但目前还没有人将其应用到现代环境中。该项目将寻求展示如何将农场生物炭生产投入使用，以确保农业企业更具生产力和气候适应性。该项目将对生物炭中嵌入的碳应用于土地时的生命周期分析以及对土壤的效益肥力，特别是土壤微生物组及其如何影响土壤肥力。