| Main Title |
Conservation Tillage Impacts on National Soil and Atmospheric Carbon Levels. |
| Author |
Kern, J. S. ;
Johnson, M. G. ;
|
| CORP Author |
ManTech Environmental Technology, Inc., Corvallis, OR.;Corvallis Environmental Research Lab., OR. |
| Publisher |
c1993 |
| Year Published |
1993 |
| Report Number |
EPA-68-C8-0006; EPA/600/J-93/153; |
| Stock Number |
PB93-191500 |
| Additional Subjects |
Cultivation ;
Soil conservation ;
Air pollution ;
United States ;
Gases ;
Carbon ;
Greenhouse effect ;
Carbon dioxide ;
Methane ;
Farm crops ;
Mathematical models ;
Soil properties ;
Organic materials ;
Maps ;
Graphs(Charts) ;
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB93-191500 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
12p |
| Abstract |
Soil organic matter is the largest global terrestrial C pool and is a source of CO2, CH4 and other greenhouse gases. Changes in soil organic C (SOC) content and fossil fuel C emissions in response to conversion of conventional tillage to conservation tillage in the contiguous USA for field crop production by the year 2020 were projected by developing a model based on published data, and geographic databases of current conservation tillage usage and agricultural SOC. Three scenarios of conservation tillage use, 27% (current usage), and 57% (low), and 76% (high) of field crops planted were considered. Conversion of land to conservation tillage alone is not likely to sequester sufficient C to offset the impact of C released by fossil fuel consumption. |
| Supplementary Notes |
Pub. in Soil Science Society of America Jnl., v57 p200-210 1993. See also PB92-113448. Sponsored by Corvallis Environmental Research Lab., OR. |
| NTIS Title Notes |
Journal article. |
| Category Codes |
68A; 48B; 48E; 98C |
| NTIS Prices |
PC A03/MF A01 |
| Primary Description |
600/02 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
318931224 |
| Origin |
NTIS |
| Type |
CAT |
