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A strategy for estimating the impact of CO 2 fertilization on soil carbon storage
Author(s) -
Harrison Kevin,
Broecker Wallace,
Bonani Georges
Publication year - 1993
Publication title -
global biogeochemical cycles
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.512
H-Index - 187
eISSN - 1944-9224
pISSN - 0886-6236
DOI - 10.1029/92gb02938
Subject(s) - humus , iron fertilization , sink (geography) , soil water , environmental science , soil carbon , radiocarbon dating , human fertilization , carbon fibers , carbon sink , soil science , agronomy , ecology , ecosystem , mathematics , geography , biology , nutrient , archaeology , cartography , phytoplankton , algorithm , composite number
As soils are a likely candidate for the so called missing carbon sink, we explore the possible impact of CO 2 fertilization on the global humus inventory. For any given greening‐induced enhancement of plant growth, the increase in soil carbon inventory will depend on the spectrum of turnover times with respect to oxidation. Here we develop estimates of carbon turnover rates based on soil radiocarbon measurements.