ISSN:
1573-5036
Schlagwort(e):
Carbon dating
;
CO2 uptake from roots
;
Delta carbon-14
;
Delta carbon-13
;
Ipomoea batatas
;
Organic matter
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
Notizen:
Summary To determine whether sweet potato (Ipomoea batatas (L.) Poir.) takes up organic matter through the roots from the medium, the concentrations of natural14C (δ14C) in plant organic matter, atmospheric CO2 and compost applied to media were examined under soil and sand culture conditions. In these experiments, three kinds of composts of different δ14C were used. CO2 derived from the mineralization of compost was continuously pumped out from the pots and its direct uptake by the leaves was prevented. δ14C of plant parts harvested after the 43 days experimental period were affected by the δ14C of the compost in the treatments where the compost of rice straw was applied, and which suggested that a significant amount of plant carbon was derived from the compost.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF02181788
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