Carbon sequestration in agroforestry systems

PKR Nair, VD Nair, BM Kumar, JM Showalter - Advances in agronomy, 2010 - Elsevier
Agroforestry—the practice of growing trees and crops in interacting combinations—is
recognized worldwide as an integrated approach to sustainable land-use. It is estimated to …

SOM fractionation methods: relevance to functional pools and to stabilization mechanisms

M von Lützow, I Kögel-Knabner, K Ekschmitt… - Soil biology and …, 2007 - Elsevier
Soil organic matter (SOM) consists of various functional pools that are stabilized by specific
mechanisms and have certain turnover rates. For the development of mechanistic models …

Soil organic matter, biota and aggregation in temperate and tropical soils-Effects of no-tillage

J Six, C Feller, K Denef, S Ogle, JC de Moraes Sa… - Agronomie, 2002 - hal.science
The long-term stabilization of soil organic matter (SOM) in tropical and temperate regions is
mediated by soil biota (eg fungi, bacteria, roots and earthworms), soil structure (eg …

Carbon isotope ratios in belowground carbon cycle processes

JR Ehleringer, N Buchmann… - Ecological …, 2000 - Wiley Online Library
Analyses of carbon isotope ratios (δ13C) in soil organic matter (SOM) and soil respired CO2
provide insights into dynamics of the carbon cycle. δ13C analyses do not provide direct …

Stability and stabilisation of biochar and green manure in soil with different organic carbon contents

JM Kimetu, J Lehmann - Soil Research, 2010 - CSIRO Publishing
Due to its recalcitrance against microbial degradation, biochar is very stable in soil
compared to other organic matter additions, making its application to soils a suitable …

δ13C values of soil organic carbon and their use in documenting vegetation change in a subtropical savanna ecosystem

TW Boutton, SR Archer, AJ Midwood, SF Zitzer, R Bol - Geoderma, 1998 - Elsevier
Plants with C3, C4, and CAM photosynthesis have unique δ13C values which are not
altered significantly during decomposition and soil organic matter formation. Consequently …

Microbial community dynamics in soil aggregates shape biogeochemical gas fluxes from soil profiles–upscaling an aggregate biophysical model

A Ebrahimi, D Or - Global change biology, 2016 - Wiley Online Library
Microbial communities inhabiting soil aggregates dynamically adjust their activity and
composition in response to variations in hydration and other external conditions. These …

Impact of pasture, agriculture and crop-livestock systems on soil C stocks in Brazil

JLN Carvalho, GS Raucci, CEP Cerri, M Bernoux… - Soil and Tillage …, 2010 - Elsevier
Changes in land use can result in either sources or sinks of atmospheric carbon (C),
depending on management practices. In Brazil, significant changes in land use result from …

[图书][B] Trees, crops, and soil fertility: concepts and research methods

G Schroth, FL Sinclair - 2003 - books.google.com
Annotation. Successful agroforestry requires an understanding of the complex relationship
between trees, crops and soils. This book provides a review of both economic and …

Soil Organic Matter Dynamics in the Subhumid Agroecosystems of the Ethiopian Highlands: Evidence From Natural 13C Abundance and Particle‐Size Fractionation

D Solomon, F Fritzsche, J Lehmann… - Soil Science Society …, 2002 - Wiley Online Library
We used natural 13C abundance coupled with particle‐size fractionation to evaluate soil
organic carbon (SOC) dynamics following deforestation and subsequent cultivation in the …