Robuta

https://www.biochareurope.eu/summit Biochar Summit From innovation to integration: scaling biochar to climate relevance. June 10-11 2026, Vienna Austria. biocharsummit https://usbiocharcoalition.org/ United States Biochar Coalition - Home U.S. Biochar Coalition Biochar Industry Association Grow Biochar Markets Policy Advocacy Scale Carbon Removal Bioenergy Negative Emissions Tech Bioeconomy united statesbiocharcoalition https://biocharprepper.substack.com/ The Biochar Prepper | Kelpie Wilson | Substack The information I share in The Biochar Handbook and in this Biochar Prepper substack should be of interest to anyone who gardens, farms, raises animals,... biocharprepperkelpiewilsonsubstack https://rosysoil.com/ Rosy Soil - Earth Positive Soils Made From Carbon Negative Biochar Crafted for the specific needs of indoor plants, this blend contains all-natural, renewable ingredients that optimize drainage, deliver plant-boosting... rosy soilearth positivemade fromcarbon negativesoils https://ent.cat/bio4up/ Bio4UP - Sustainable biochar-enhanced upcycling solutions for Zero-Waste valorization of organic... Mar 11, 2026 - Bio4UP - Sustainable biochar-enhanced upcycling solutions for Zero-Waste valorization of organic waste into circular economy products solutions for https://ppnsumbagselkehati.com/kombinasi-sistem-ameliorasi-tanah-berbasis-biochar-dan-foliar-application-giberelin-dalam-meningkatkan-survival-rate-ziziphus-mauritiana-di-area-konservasi-it-palembang/ Kombinasi Sistem Ameliorasi Tanah Berbasis Biochar dan Foliar Application Giberelin dalam... foliar applicationkombinasisistemtanahberbasis https://researchers.westernsydney.edu.au/en/publications/the-interactive-impact-of-straw-mulch-and-biochar-application-pos/ The interactive impact of straw mulch and biochar application positively enhanced the growth... https://research.polyu.edu.hk/en/publications/aluminium-biochar-composites-as-sustainable-heterogeneous-catalys/ Aluminium-biochar composites as sustainable heterogeneous catalysts for glucose isomerisation in a... https://www.biochareurope.eu/ Biochar Europe Representing and shaping the biochar sector - mitigating climate change and improving product qualities. biochareurope https://research.bangor.ac.uk/cy/publications/metal-contaminated-biochar-and-wood-ash-negatively-affect-plant-g/ Metal contaminated biochar and wood ash negatively affect plant growth and soil quality after land... https://agris.fao.org/search/en/providers/122436/records/6759801bc7a957febdf94df2 Photosynthesis, Yield, Nutrient Availability and Soil Properties after Biochar, Zeolites or... nutrient availabilitysoil propertiesphotosynthesisyield https://www.envpk.com/tag/biochar-uses/ biochar uses - ENVPK.COM biochar uses https://scholar.xjtlu.edu.cn/en/publications/a-new-intelligent-model-for-computing-crack-in-compacted-soil-bio/ A New Intelligent Model for Computing Crack in Compacted Soil-Biochar Mix: Application in Green... https://ambiente.regione.emilia-romagna.it/it/cambiamenti-climatici/forum-regionale-cambiamenti-climatici/forum-regionale-per-i-cambiamenti-climatici-25-settembre-2025-convegno-stato-e-prospettive-del-biochar/convegno-stato-e-prospettive-del-biochar-25-9-25-forum-regionale-per-i-cambiamenti-climatici Registrazione streaming del Convegno - Stato e prospettive del Biochar 25/9/25, Forum regionale per... Forum regionale permanente e cambiamenti climatici imprese e enti pubblici https://pr.co.nz/biochar-can-help-farmers-weather-the-fertiliser-crisis-28042026/ Biochar Can Help Farmers Weather the Fertiliser Crisis - PR.co.nz Apr 28, 2026 - Biochar can reduce nitrogen fertiliser inputs by 20% and limit nutrient leaching to groundwater. Instead of paying soaring prices for scarce urea, farmers... can helpcrisis prbiocharfarmersweather https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/1699 Feasibility study of coconut shell biochar production using community-scale biochar kiln | Journal... feasibility studycoconut shellbiochar production https://pure.ecnu.edu.cn/en/publications/remediation-of-mercury-contaminated-soils-and-sediments-using-bio/ Remediation of mercury-contaminated soils and sediments using biochar: a critical review - East... https://rockscan.org/rockscan-org/biochar-standard/ Biochar Standard - Rockscan Engineering and Analytics Oct 11, 2024 - Discover cost-efficient, high-quality biochar produced using untreated wood chips guaranteed by our suppliers. Our traceable batch production, regular... biocharstandardengineeringanalytics https://www.biochareurope.eu/resources/defossilising-steel-metallurgy-biochars-policy-priorities-for-the-european-union Biochar Europe biochareurope https://terraton.ai/ Terraton | Biochar business in a box, verified credits Terraton is a full-stack biochar platform for agribusiness to launch carbon removal facilities—and for buyers looking for verified credits, delivered at scale. business in a boxbiocharverifiedcredits https://biocharlink.com/buying-guide Biochar Buying Guides | BiocharLink | BiocharLink Practical buying guides for biochar across agriculture, steel industry, activated charcoal, construction, mine reclamation and animal feed - lab parameters,... buying guidesbiochar https://wakefieldbiochar.com/learning-center/?channel=Experienced%20Gardeners&lcp=2 Learning Center - Wakefield BioChar learning centerwakefieldbiochar https://mygardengreen.com/biochar-magic-2026-05-06 Biochar Magic: Ancient Amazon Soil Secret Revealed - My Garden Green May 6, 2026 - Learn biochar magic from ancient Amazon farmers who created soil still fertile after 500 years. Make your own biochar and transform poor soil into a powerhouse. my gardenbiocharmagicancientamazon https://pacificbiochar.com/dirt-rich-movie-free-viewing-week-earth-day Pacific Biochar Pacific Biochar produces and distributes high-quality biochar products and carbon removal credits. We put carbon back in the ground and leave a legacy of... pacificbiochar https://www.pencilfocus.com/2016/07/gis-based-spatial-modeling-of-biochar.html GIS Based Spatial Modeling of Biochar Application to the Soil for GHG Mitigation - Pencil Focus The phenomenon of global warming has gained immense interest among researchers. Biochar or charcoal application to soil is considered as promising technique... https://stonespecialist.com/news/sustainability/stone-carbon-fibres-and-biochar-cited-alternative-reinforced-concrete Stone, carbon fibres and biochar cited as alternative to reinforced concrete The German Institutes of Textile and Fiber Research Denkendorf (DITF) has announced it has developed a new composite material containing natural stone, carbon... alternative tostonecarbonfibresbiochar https://data.mendeley.com/datasets/my2rkbsj9d/1 Biochar Supplementation of Recycled Manure Solids: Impact on their characteristics and GHG... Recycled manure solids (RMS) are increasingly adopted in dairy farming for their economic ad-vantages and their role in improving nutrient recycling and waste... https://innovationcenter.msu.edu/using-activated-biochar-and-plasma-to-combat-pfas/ Using Activated Biochar and Plasma to Combat PFAS - MSU Innovation Center Sep 8, 2023 - MSU faculty member Qi Hua Fan has developed a novel method to filter and destroy PFAS from groundwater using activated biochar and plasma usingactivatedbiocharplasma https://digitalcommons.georgiasouthern.edu/research_symposium/2023/2023/142/ Georgia Southern Commons - GS4 Student Scholars Symposium: Steam Gasification of Biochar to Produce... By Nnamdi Ofuani, Published on 04/18/23 https://www.greenchar.co/biochar Biochar | Greenchar Climate Solutions Discover everything you need to know about biochar on our comprehensive Biochar Information Page at GreenChar Climate Solutions. Learn about the benefits,... biocharclimatesolutions https://bioagrigroup.co.za/2024/04/29/biochar-in-the-construction-industry/ Biochar In the Construction Industry - Bio Agri Group the construction industrybiocharagrigroup https://ajce.aut.ac.ir/article_5653.html Enhancing Geotechnical Properties of Ahvaz Fine Soil with Biochar: A Preliminary Study for Landfill... The final cover of a landfill is crucial for preventing rainwater infiltration, snowmelt, and greenhouse gas emissions while complying with regulatory... https://www.valorizesystems.com/resources/biochar-directory/eec4ab6f-c3a8-455b-884e-aa59c6ef2115 Biosolids Biochar | Biochar Directory | Managed Biomass Projects biosolidsbiochardirectorymanagedbiomass https://afribary.com/works/effects-of-biochar-and-nps-fertilizer-on-yield-and-yield-related-traits-of-potato-solanum-tuberosum-l-at-haramaya-eastern-ethiopia EFFECTS OF BIOCHAR AND NPS FERTILIZER ON YIELD AND YIELD RELATED TRAITS OF POTATO (Solanum... Abstract: Potato is an important food and export crop in East Hararghe. However, its yield is very low due to several factors among which low soil fe... https://pubs.rsc.org/en/content/articlelanding/2019/gc/c9gc01843c A sustainable biochar catalyst synergized with copper heteroatoms and CO2 for singlet oxygenation... We have developed a wood waste-derived biochar as a sustainable graphitic carbon catalyst for environmental remediation through catalytic pyrolysis under the... https://www.ccrp.org/grants/biochar/ CRFS | Biochar crfsbiochar https://erepo.usm.my/items/e5fa0e87-9fc7-4cd8-bc9d-35ae6572febd The Mixture Of Bio-Oil And Biochar Produced From Slow Pyrolysis Of Oil Palm Wastes For Briquettes... Malaysia generates an enormous amount of agricultural wastes, especially from the oil palm wastes industries. These wastes will continue to bring about the... https://researchportal.hw.ac.uk/en/publications/mesoporous-activated-biochar-for-asiii-adsorption-a-new-utilizati/ Mesoporous Activated Biochar for As(III) Adsorption: A New Utilization Approach for Biogas Residue... https://www.agricolturafinanziamenti.com/tag/termica-e-biochar/ termica e biochar - Agricoltura Finanziamenti Tutti gli articoli e i bandi agricoli contrassegnati dal tag termica e biochar. Resta aggiornato con Agricoltura Finanziamenti. termicabiocharagricolturafinanziamenti https://www.globalbiocharcommercialisationsummit.com/sponsor SPONSORS | Global Biochar Commercialisation sponsorsglobalbiocharcommercialisation https://research.knu.ac.kr/en/publications/combined-use-of-spent-mushroom-substrate-biochar-and-pgpr-improve/ Combined Use of Spent Mushroom Substrate Biochar and PGPR Improves Growth, Yield, and Biochemical... https://biochar-ibap.org/ International Biochar Asia Pacific IBAP : International Biochar Asia Pacific Trade Association (สมาคมการค้าไบโอชาร์นานาชาติ เอเชียแปซิฟิก) is a non-profit platform dedicated to biochar... internationalbiocharasiapacific https://cris.ucv.edu.pe/es/publications/biochar-from-residual-lignocellulosic-biomass-for-the-cultivation/ Biochar from Residual Lignocellulosic Biomass for the Cultivation of Prosopis Limensis -... for thebiocharresidualbiomass https://www.pericarbon.org/carbon-project-types/biochar Biochar | PeriCarbon biochar https://pure.ug.edu.gh/en/publications/coapplication-of-chicken-litter-biochar-and-urea-only-to-improve--3/ Coapplication of chicken litter biochar and urea only to improve nutrients use efficiency and yield... https://www.rwranching.com/blog/121 #121 Biochar and its Benefits | El biocarbon y sus beneficios biocharbenefitselbiocarbonsus https://climateactionreserve.org/how/protocols/ncs/biochar/ US & Canada Biochar Protocol | Climate Action Reserve Feb 4, 2026 - The Climate Action Reserve is the most trusted, efficient, and experienced carbon credit registry for global carbon markets. us canadaclimate actionbiocharprotocolreserve https://biocharvietnam.org/featured_item/first-technology-transfer-event/ TECHNOLOGY TRANSFER EVENT HELD ON 25 FEBRUARY 2022 - Biochar Vietnam technology transfereventheldfebruarybiochar https://tecnologiammm.com.br/article/doi/10.4322/2176-1523.20263326 Characterization of Brazilian biochar from rice husk for application in cementitious pastes rice husk https://paperform.co/templates/biochar-production-equipment-affiliate-program-application/ Biochar Production Equipment Affiliate Program Application Form | Paperform Apply to our biochar equipment affiliate program and earn commissions promoting carbon sequestration technology and regenerative agriculture solutions.... biochar production equipmentaffiliate program applicationform https://permies.com/forums/similars/similarTo/270627/heat-biochar A new use for the heat from biochar - Similar Threads I'm not cooking food, but it is an actual use for the heat. Sometimes it works better to burn several weeks of char on the rare dry day, crush them in the... a newuse forthe heatbiocharsimilar https://publications.slu.se/?file=publ/show&id=119870 Biochar-plant interaction and detoxification strategies under abiotic stresses for achieving... The unpredictable climatic perturbations, the expanding industrial and mining sectors, excessive agrochemicals, greater reliance on wastewater usage biocharplantinteractiondetoxification https://irf.fhnw.ch/entities/publication/8853eb1b-9b91-45c8-b780-e98fc1340e17 Study of the effect of biochar from spent coffee grounds on anaerobic digestion of food waste from... The uncontrolled and unsanitary disposal of food waste, which is a valuable raw material for Ukraine's energy independence, has led to a negative impact on the... https://www.vncpc.org/tag/biochar/ biochar Archives - VNCPC biochararchives https://biochar.co.uk/soil-carbon-sequestration/ Soil Carbon Sequestration, Offsetting and Credits | Biochar Mar 2, 2023 - Biochar can increase soil organic carbon (SOC) and sequestering carbon dioxide. We explain how it fits into carbon offsetting and credits. soil carbon sequestrationoffsettingcreditsbiochar https://www.texasnative.com/product-page/bulk-texas-native-biochar-super-soil-1-c-y Bulk Texas Native Biochar Super Soil (Cubic Yard) | texasnative Our Texas Native Biochar Super Soil is a premium blend enhanced with 5% biochar, designed to enrich soil while actively reducing atmospheric carbon. This... super soilbulktexasnativebiochar https://biocharfund.org/small-scale-biochar-kilns-which-design-works-best/ Small-Scale Biochar Kilns: Which Design Works Best? Aug 26, 2025 - In the ongoing quest for sustainable agricultural practices and waste management solutions, small-scale biochar production has emerged as a compelling small scaledesign worksbiocharkilnsbest https://german-biochar.org/category/verbandspositionen/ Verbandspositionen - German Biochar e.V. germanbiocharv https://iris.unibas.it/handle/11563/160854 Could biochar amendment be a tool to improve soil availability and plant uptake of phosphorus? A... https://learn.biochar-international.org/courses/all-about-biochar-course/lectures/51196458 The Environmental, Social, and Economic Co-Benefits of Biochar | IBI This course is All About Biochar: A Contemporary Industry Overview social and economicbenefits of biocharenvironmentalibi https://www.biochareurope.eu/resources/biochar-the-first-and-last-step-in-defossilising-metallurgical-industries Biochar Europe biochareurope https://gardenerscott.blogspot.com/2012/06/using-biochar-in-garden.html GardenerScott: Using Biochar in the Garden Biochar is a great amendment for any garden soil. I wrote about the wonder product a month ago (May 9, 2012, "What is Biochar?" ), and have ... in theusingbiochargarden https://www.biocharsupreme.com/ Biochar Products for Sale, Biochar Manufacturers Washington, USA - Bio Buy organic biochar products online from Biochar Supreme. Our Black Owl (TM) premium organic biochar is OMRI-listed and certified for organic use. products for salebiocharmanufacturerswashingtonusa https://edibleeastbay.com/2022/09/23/curious-about-biomass-thermal-conversion-for-broad-public-use-apl-open-house-on-september-30/ Curious About Biochar and Biomass Thermal Conversion for Broad Public Use? APL open house on... https://weagro.ua/en/blog/use-of-biochar-in-agriculture/ Use of Biochar in Agriculture - WEAGRO Mar 24, 2026 - Biochar is an organic material that improves soil fertility. Learn where it's used and its benefits in agriculture on the WEAGRO blog usebiocharagriculture https://iris.unimol.it/handle/11695/94506 The effect of bioaugmentation and biochar-stimulation on metal(loid)s contaminated soil and plant... https://journal.ugm.ac.id/ijc/article/view/99181 Effectiveness of Cobalt-Doped Biochar Derived from Durian Shell for Degradation of Rhodamine B |... Effectiveness of Cobalt-Doped Biochar Derived from Durian Shell for Degradation of Rhodamine B https://isometric.com/writing-articles/a-new-module-for-mobile-biochar-production A new module for mobile biochar production In public consultation until April 30 a newfor mobilemodulebiocharproduction https://agtechcarbon.com/ Biochar Manufacturer Using Patented Vacuum Kiln Technology Oct 2, 2023 - Discover sustainable biochar products produced with our patented vacuum kiln technology. Improve soil health and carbon sequestration. Explore now! biocharmanufacturerusingpatentedvacuum https://gcris.artuklu.edu.tr/entities/publication/8dd4a6f8-3056-4d6d-8282-421860375fe9/full Green Synthesis of Fe3o4-Crataegus Tanacetifolia (Lam.) Biochar Magnetic Nanocomposites for... In this study, naproxen (NPX), one of the emerging contaminants was removed by green synthesizing Fe3O4 coated magnetic biochar nanocomposites (Ct-BMNCs)... greensynthesiscrataegus https://journal.ijresm.com/index.php/ijresm/article/view/1195 A Comprehensive Review on the Production and Application of Sludge Biochar for Water and Soil... https://silverbulletbiochar.com/ SilverBullet – Accelerating Biochar production in Sri Lanka Accelerating Biochar production in Sri Lanka biochar productionsilverbulletacceleratingsrilanka https://www.krtv.com/biochar-how-converting-wood-waste-can-combat-climate-change Biochar: How converting wood waste can combat climate change Jun 6, 2023 - This company is combatting climate change by turning organic waste into a carbon-rich material called biochar. wood wastebiocharconvertingcombatclimate https://pacificbiochar.com/georgia-renewable-power-_-madison Pacific Biochar Pacific Biochar produces and distributes high-quality biochar products and carbon removal credits. We put carbon back in the ground and leave a legacy of... pacificbiochar https://pure.bit.edu.cn/en/publications/activated-biochar-loaded-cual-layered-double-hydroxide-composite-/ Activated biochar loaded CuAl-layered double hydroxide composite for the removal of aniline... https://www.brightsurf.com/news/8J4EX2WL/internal-heating-pyrolyzer-produces-cleaner-agriculture-ready-biochar.html Internal-heating pyrolyzer produces cleaner, agriculture-ready biochar | BrightSurf Science News Researchers used reed straw pellets to test an internally heated system, producing biochar with stable fixed carbon content and high energy recovery. The study... internalheatingpyrolyzercleaner https://www.regreener.earth/nl/blog/de-5-beste-biochar-carbon-credit-en-offsetprojecten-van-2026 De 5 beste Biochar carbon credit projecten van 2026 Ontdek de top 5 biochar carbon credits van 2026 voor CO2-compensatie. Koop geverifieerde credits met permanentie en additionaliteit voor bedrijven. carbon creditdebestebiocharprojecten https://acrsonline.com/enhancing-soil-and-plant-health-for-sustainable-crop-production-through-biochar-endophyte-synergy-in-the-savannah-zone-of-ghana/ Enhancing Soil and Plant Health for Sustainable Crop Production Through Biochar-Endophyte Synergy... https://www.valorizesystems.com/resources/biochar-directory/7144d436-9ae4-42db-a181-b87005b0b31e Wood Biochar | Biochar Directory | Managed Biomass Projects Date Received: 07/22/24 Sample ID: C-1 (Primary End) Approximate Temp 1625F Lab ID Number: 4070467-01 woodbiochardirectorymanagedbiomass https://www.valorizesystems.com/customers/buyers/agrifood Biochar for Regenerative Agriculture | Valorize Systems | Managed Biomass Projects Source biochar for agriculture programs and improve soil health, resilience, and economics. Valorize supports cocoa and row-crop deployments with measured... regenerative agriculturebiocharsystemsmanagedbiomass https://journal.unigha.ac.id/index.php/JAD/article/view/3837 PENGARUH BIOCHAR KELAPA MUDA DAN KOMPOS TERHADAP N-total TANAH PADA TANAMAN KEDELAI | Fakhrullazi |... PENGARUH BIOCHAR KELAPA MUDA DAN KOMPOS TERHADAP N-total TANAH PADA TANAMAN KEDELAI https://biocharvietnam.org/tag/coffee-husks/ coffee husks Archives - Biochar Vietnam coffeehusksarchivesbiocharvietnam https://uwspace.uwaterloo.ca/items/fbebad02-ee57-4405-843a-8a99e820428b Application of Biochar to Stabilize Mercury in Riverbank Sediments and Floodplain Soils from South... Disposal of mercury (Hg) containing products related to industrial activities has led to large-scale watershed contamination across the globe, posing long-term... https://www.allotment-garden.org/composts-fertilisers/biochar-terra-preta/ Biochar & Terra Preta - Allotment & Gardens terra pretabiocharallotmentgardens https://www.bestongroup.com/industry-news/decarbonization-potential-of-biochar-for-the-european-metallurgical-industry/ Decarbonization Potential of Biochar for the European Metallurgical Industry Aug 25, 2025 - Under the global push for carbon neutrality, Europe is facing an industrial trilemma: achieving climate-neutrality while securing its strategic autonomy and... for thedecarbonizationpotentialbiochareuropean https://jukuri.luke.fi/items/6e4d0443-4893-4c5e-88af-0f3043e26cae/full Crushed concrete and biochar: A sustainable solution for vegetated roofs crushed concretesustainable solutionbiocharvegetatedroofs https://pureportal.ilvo.be/nl/activities/final-meeting-eu-cost-action-biochar-amp-76-symposium-des-ans-ev-/ Final meeting EU-COST Action "Biochar" & 76. Symposium des ANS e.V. - Understanding biochar... https://biochartoday.com/ Biochar Today – The latest industry news and scientific research from the field of Biochar The latest industry news and scientific research from the field of Biochar latest industry news https://wildfiretaskforce.org/u-s-epa-awards-14-7-million-to-the-tule-river-tribe-for-biochar-project/ U.S. EPA Awards $14.7 Million to the Tule River Tribe for Biochar Project - California Wildfire &... https://centaur.reading.ac.uk/118753/ Remediation of contaminated soil and water using biochar - CentAUR soil and waterremediationusingbiocharcentaur https://www.iwt.cn/EN/10.19965/j.cnki.iwt.2022-0837 Efficacy and mechanism of biochar loaded microorganisms in the treatment of cadmium-containing... https://persistproducts.com/micronized-biochar/ Micronized Biochar - Persist micronizedbiocharpersist https://biochar.org/events_cat/biochar-industry-event/ Biochar Industry Event Archives - American Biochar Institute industry eventbiochararchivesamericaninstitute https://puro.earth/insights/post/348-introduction-to-the-updated-methodology-biochar-edition-2025/ Introduction to the updated methodology - Biochar Edition 2025 - Puro.earth to theupdated methodologyintroductionbiocharedition https://ir.gu.ac.ug/items/3eebfcd9-0ad4-4921-8a2d-37366103c7b1 Conservation tillage and biochar improve soil water content and moderate soil temperature in a... Projected climate change in Sub-Saharan Africa involves increased drought and elevated soil temperature. Conservation farming (CF), including minimum tillage,... https://www.ask-eu.net/Default.asp?Menue=211&Bereich=6&SubBereich=26&KW=333&ArtikelPPV=24602 Biochar: climate saving soils developments in the Interreg Northsea Region Project The project Biochar: climate saving soils is a project which is funded by the EU Interreg IVB North Sea Region Programme. The 11 partners from 7 countries... in thebiocharclimatesavingsoils https://ojs.acad-pub.com/index.php/Microecology/article/view/3558/1545 View of Regulatory effect of the amendment with vermicompost and coconut-shell biochar on microbial... https://dspace-cris.utar.edu.my/entities/publication/9b92f6ec-8ddf-40a5-a2ad-0ba5fa594517 Oxidation of sulfamethazine by peracetic acid activated with biochar: Reactive oxygen species... peracetic acid https://biocharlink.com/buying-guide/animal-feed Buying Guide: Feed-Grade Biochar for Livestock and Bedding | BiocharLink | BiocharLink Apr 24, 2026 - How to source feed-grade biochar and bedding-grade biochar for poultry, ruminants, pigs and aquaculture - certifications, lab parameters and the economics of... buying guidefeed gradebiocharlivestockbedding https://luck.synhera.be/handle/123456789/3123?show=full Impact of biochar soil incorporation on the growth of grapevine cuttings on theimpactbiocharsoilincorporation