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The Promise of Biochar: From Lab Experiment to National Scale Impacts

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자료유형	E-Book
개인저자	Dokoohaki, Hamze.
단체저자명	Iowa State University. Agronomy.
서명/저자사항	The Promise of Biochar: From Lab Experiment to National Scale Impacts.
발행사항	[S.l.] : Iowa State University., 2018
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2018
형태사항	100 p.
소장본 주기	School code: 0097.
ISBN	9780438413924
일반주기	Source: Dissertation Abstracts International, Volume: 80-02(E), Section: B. Adviser: Fernando E. Miguez.
요약	Biochar is a carbon rich soil amendment produced from biomass by a thermochemical process, pyrolysis or gasification. Soil biochar applications have generated a great deal of interest as a strategy for mitigating climate change by sequestering c
요약	In this study we evaluated the effect of biocharspresence on soil and crop in various spatial scales ranging from lab experiments to regional scale simulations.
요약	In the first chapter, we used an incubated experiment with 3 biochar application rates (0%, 3% and 6%), two application methods and three replications. Soil water retention curves (SWRC) were determined at three sampling times.
요약	The Van-Genuchten (VG) model was fitted to all SWRCs and then used to estimate the pore size distribution (PSD). Standard deviation (SD), skewness and mode (D) were calculated in order to interpret the geometry of PSDs. The Dexter S-index and sa
요약	The second chapter was focused on evaluating the impacts of biochar on soil hydraulic properties at the field scale by combining a modeling approach with soil water content measurements. Soil water measurements were collected from a corn-corn cr
요약	In the third chapter, we tried to ans r the question: Where should we apply biochar? For this task, we developed an extensive informatics work ow for processing and analyzing crop yield response data as well as a large spatial-scale modeling pla
요약	In the last chapter, we made regional scale simulations of biochar e ects on crop yield and nitrate leaching using APSIM for parts of Iowa and California. Three main pieces of work were integrated in this study. The suitable areas found for bioc
일반주제명	Agriculture. Soil sciences.
언어	영어
기본자료 저록	Dissertation Abstracts International80-02B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T14998728