Carbon sequestration in dryland soils and plant residue as influenced by tillage and crop rotation
Identifieur interne :
000180 ( PascalFrancis/Corpus );
précédent :
000179;
suivant :
000181
Carbon sequestration in dryland soils and plant residue as influenced by tillage and crop rotation
Auteurs : Upendra M. Sainju ;
Andrew Lenssen ;
Thecan Caesar-Thonthat ;
Jed WaddellSource :
-
Journal of environmental quality [ 0047-2425 ] ; 2006.
RBID : Pascal:06-0443103
Descripteurs français
- Pascal (Inist)
- Séquestration carbone,
Long terme,
Triticum aestivum,
Lens culinaris,
Pisum sativum,
Carbone particulaire,
Biomasse,
Grandes Plaines du Nord,
Gaz effet serre,
Réduction pollution,
Pollution air,
Lutte antipollution.
English descriptors
- KwdEn :
- Air pollution,
Biomass,
Carbon sequestration,
Greenhouse gas,
Lens culinaris,
Long term,
Northern Great Plains,
Particulate carbon,
Pisum sativum,
Pollution abatement,
Pollution control,
Triticum aestivum.
Abstract
Long-term use of conventional tillage and wheat (Triticum aestivum L.)-fallow systems in the northern Great Plains have resulted in low soil organic carbon (SOC) levels. We examined the effects of two tillage practices [conventional till (CT) and no-till (NT)], five crop rotations [continuous spring wheat (CW), spring wheat-fallow (W-F), spring wheat-lentil (Lens culinaris Medic.) (W-L), spring wheat-spring wheat-fallow (W-W-F), and spring wheat-pea (Pisum sativum L.)-fallow (W-P-F)], and Conservation Reserve Program (CRP) planting on plant C input, SOC, and particulate organic carbon (POC). A field experiment was conducted in a mixture of Scobey clay loam (fine-loamy, mixed, Aridic Argiborolls) and Kevin clay loam (fine, montmorillonitic, Aridic Argiborolls) from 1998 to 2003 in Havre, MT. Total plant biomass returned to the soil from 1998 to 2003 was greater in CW (15.5 Mg ha-1) than in other rotations. Residue cover, amount, and C content in 2004 were 33 to 86% greater in NT than in CT and greater in CRP than in crop rotations. Residue amount (2.47 Mg ha-1) and C content (0.96 Mg ha-1) were greater in NT with CW than in other treatments, except in CT with CRP and W-F and in NT with CRP and W-W-F. The SOC at the 0- to 5-cm depth was 23% greater in NT (6.4 Mg ha-1) than in CT. The POC was not influenced by tillage and crop rotation, but POC to SOC ratio at the 0- to 20-cm depth was greater in NT with W-L (369 g kg-1 SOC) than in CT with CW, W-F, and W-L. From 1998 to 2003, SOC at the 0-to 20-cm depth decreased by 4% in CT but increased by 3% in NT. Carbon can be sequestered in dryland soils and plant residue in areas previously under CRP using reduced tillage and increased cropping intensity, such as NT with CW, compared with traditional practice, such as CT with W-F system, and the content can be similar to that in CRP planting.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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| A08 | 01 | 1 | ENG | @1 Carbon sequestration in dryland soils and plant residue as influenced by tillage and crop rotation |
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| A11 | 01 | 1 | | @1 SAINJU (Upendra M.) |
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| A11 | 02 | 1 | | @1 LENSSEN (Andrew) |
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| A11 | 03 | 1 | | @1 CAESAR-THONTHAT (Thecan) |
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| A11 | 04 | 1 | | @1 WADDELL (Jed) |
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| A14 | 01 | | | @1 USDA-ARS, 1500 North Central Avenue @2 Sidney, MT 59270 @3 USA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut. |
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| A44 | | | | @0 0000 @1 © 2006 INIST-CNRS. All rights reserved. |
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| C01 | 01 | | ENG | @0 Long-term use of conventional tillage and wheat (Triticum aestivum L.)-fallow systems in the northern Great Plains have resulted in low soil organic carbon (SOC) levels. We examined the effects of two tillage practices [conventional till (CT) and no-till (NT)], five crop rotations [continuous spring wheat (CW), spring wheat-fallow (W-F), spring wheat-lentil (Lens culinaris Medic.) (W-L), spring wheat-spring wheat-fallow (W-W-F), and spring wheat-pea (Pisum sativum L.)-fallow (W-P-F)], and Conservation Reserve Program (CRP) planting on plant C input, SOC, and particulate organic carbon (POC). A field experiment was conducted in a mixture of Scobey clay loam (fine-loamy, mixed, Aridic Argiborolls) and Kevin clay loam (fine, montmorillonitic, Aridic Argiborolls) from 1998 to 2003 in Havre, MT. Total plant biomass returned to the soil from 1998 to 2003 was greater in CW (15.5 Mg ha-1) than in other rotations. Residue cover, amount, and C content in 2004 were 33 to 86% greater in NT than in CT and greater in CRP than in crop rotations. Residue amount (2.47 Mg ha-1) and C content (0.96 Mg ha-1) were greater in NT with CW than in other treatments, except in CT with CRP and W-F and in NT with CRP and W-W-F. The SOC at the 0- to 5-cm depth was 23% greater in NT (6.4 Mg ha-1) than in CT. The POC was not influenced by tillage and crop rotation, but POC to SOC ratio at the 0- to 20-cm depth was greater in NT with W-L (369 g kg-1 SOC) than in CT with CW, W-F, and W-L. From 1998 to 2003, SOC at the 0-to 20-cm depth decreased by 4% in CT but increased by 3% in NT. Carbon can be sequestered in dryland soils and plant residue in areas previously under CRP using reduced tillage and increased cropping intensity, such as NT with CW, compared with traditional practice, such as CT with W-F system, and the content can be similar to that in CRP planting. |
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| C03 | 01 | X | ENG | @0 Carbon sequestration @5 01 |
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| C03 | 01 | X | SPA | @0 Secuestro carbono @5 01 |
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| C03 | 02 | X | FRE | @0 Long terme @5 02 |
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| C03 | 02 | X | SPA | @0 Largo plazo @5 02 |
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| C03 | 05 | X | FRE | @0 Pisum sativum @2 NS @5 05 |
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| C03 | 06 | X | FRE | @0 Carbone particulaire @5 06 |
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| C03 | 12 | X | ENG | @0 Pollution control @5 38 |
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| C03 | 12 | X | SPA | @0 Lucha anticontaminación @5 38 |
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| C07 | 01 | X | FRE | @0 Gramineae @2 NS |
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| C07 | 01 | X | SPA | @0 Gramineae @2 NS |
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| C07 | 02 | X | FRE | @0 Monocotyledones @2 NS |
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| C07 | 06 | X | SPA | @0 Dicotyledones @2 NS |
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| N44 | 01 | | | @1 OTO |
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| N82 | | | | @1 OTO |
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| pR |
| A30 | 01 | 1 | ENG | @1 Third USDA Symposium on Greenhouse Gases and Carbon Sequestration in Agriculture and Forestry @2 3 @3 Baltimore, MD USA @4 2005-03-21 |
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|
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Format Inist (serveur)
| NO : | PASCAL 06-0443103 INIST |
|---|
| ET : | Carbon sequestration in dryland soils and plant residue as influenced by tillage and crop rotation |
|---|
| AU : | SAINJU (Upendra M.); LENSSEN (Andrew); CAESAR-THONTHAT (Thecan); WADDELL (Jed) |
|---|
| AF : | USDA-ARS, 1500 North Central Avenue/Sidney, MT 59270/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut.) |
|---|
| DT : | Publication en série; Congrès; Niveau analytique |
|---|
| SO : | Journal of environmental quality; ISSN 0047-2425; Coden JEVQAA; Etats-Unis; Da. 2006; Vol. 35; No. 4; Pp. 1341-1347; Bibl. 38 ref. |
|---|
| LA : | Anglais |
|---|
| EA : | Long-term use of conventional tillage and wheat (Triticum aestivum L.)-fallow systems in the northern Great Plains have resulted in low soil organic carbon (SOC) levels. We examined the effects of two tillage practices [conventional till (CT) and no-till (NT)], five crop rotations [continuous spring wheat (CW), spring wheat-fallow (W-F), spring wheat-lentil (Lens culinaris Medic.) (W-L), spring wheat-spring wheat-fallow (W-W-F), and spring wheat-pea (Pisum sativum L.)-fallow (W-P-F)], and Conservation Reserve Program (CRP) planting on plant C input, SOC, and particulate organic carbon (POC). A field experiment was conducted in a mixture of Scobey clay loam (fine-loamy, mixed, Aridic Argiborolls) and Kevin clay loam (fine, montmorillonitic, Aridic Argiborolls) from 1998 to 2003 in Havre, MT. Total plant biomass returned to the soil from 1998 to 2003 was greater in CW (15.5 Mg ha-1) than in other rotations. Residue cover, amount, and C content in 2004 were 33 to 86% greater in NT than in CT and greater in CRP than in crop rotations. Residue amount (2.47 Mg ha-1) and C content (0.96 Mg ha-1) were greater in NT with CW than in other treatments, except in CT with CRP and W-F and in NT with CRP and W-W-F. The SOC at the 0- to 5-cm depth was 23% greater in NT (6.4 Mg ha-1) than in CT. The POC was not influenced by tillage and crop rotation, but POC to SOC ratio at the 0- to 20-cm depth was greater in NT with W-L (369 g kg-1 SOC) than in CT with CW, W-F, and W-L. From 1998 to 2003, SOC at the 0-to 20-cm depth decreased by 4% in CT but increased by 3% in NT. Carbon can be sequestered in dryland soils and plant residue in areas previously under CRP using reduced tillage and increased cropping intensity, such as NT with CW, compared with traditional practice, such as CT with W-F system, and the content can be similar to that in CRP planting. |
|---|
| CC : | 001D16; 001E01O04; 002A32; 002A31D07; 226B04; 215 |
|---|
| FD : | Séquestration carbone; Long terme; Triticum aestivum; Lens culinaris; Pisum sativum; Carbone particulaire; Biomasse; Grandes Plaines du Nord; Gaz effet serre; Réduction pollution; Pollution air; Lutte antipollution |
|---|
| FG : | Gramineae; Monocotyledones; Angiospermae; Spermatophyta; Leguminosae; Dicotyledones |
|---|
| ED : | Carbon sequestration; Long term; Triticum aestivum; Lens culinaris; Pisum sativum; Particulate carbon; Biomass; Northern Great Plains; Greenhouse gas; Pollution abatement; Air pollution; Pollution control |
|---|
| EG : | Gramineae; Monocotyledones; Angiospermae; Spermatophyta; Leguminosae; Dicotyledones |
|---|
| SD : | Secuestro carbono; Largo plazo; Triticum aestivum; Lens culinaris; Pisum sativum; Carbono particular; Biomasa; Grandes Llanuras del Norte; Gas efecto invernadero; Contaminación aire; Lucha anticontaminación |
|---|
| LO : | INIST-15480.354000139076220400 |
|---|
| ID : | 06-0443103 |
|---|
Links to Exploration step
Pascal:06-0443103
Le document en format XML
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</inist:fA14><series><title level="j" type="main">Journal of environmental quality</title>
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</seriesStmt><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air pollution</term>
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<term>Carbon sequestration</term>
<term>Greenhouse gas</term>
<term>Lens culinaris</term>
<term>Long term</term>
<term>Northern Great Plains</term>
<term>Particulate carbon</term>
<term>Pisum sativum</term>
<term>Pollution abatement</term>
<term>Pollution control</term>
<term>Triticum aestivum</term>
</keywords><keywords scheme="Pascal" xml:lang="fr"><term>Séquestration carbone</term>
<term>Long terme</term>
<term>Triticum aestivum</term>
<term>Lens culinaris</term>
<term>Pisum sativum</term>
<term>Carbone particulaire</term>
<term>Biomasse</term>
<term>Grandes Plaines du Nord</term>
<term>Gaz effet serre</term>
<term>Réduction pollution</term>
<term>Pollution air</term>
<term>Lutte antipollution</term>
</keywords><front><div type="abstract" xml:lang="en">Long-term use of conventional tillage and wheat (Triticum aestivum L.)-fallow systems in the northern Great Plains have resulted in low soil organic carbon (SOC) levels. We examined the effects of two tillage practices [conventional till (CT) and no-till (NT)], five crop rotations [continuous spring wheat (CW), spring wheat-fallow (W-F), spring wheat-lentil (Lens culinaris Medic.) (W-L), spring wheat-spring wheat-fallow (W-W-F), and spring wheat-pea (Pisum sativum L.)-fallow (W-P-F)], and Conservation Reserve Program (CRP) planting on plant C input, SOC, and particulate organic carbon (POC). A field experiment was conducted in a mixture of Scobey clay loam (fine-loamy, mixed, Aridic Argiborolls) and Kevin clay loam (fine, montmorillonitic, Aridic Argiborolls) from 1998 to 2003 in Havre, MT. Total plant biomass returned to the soil from 1998 to 2003 was greater in CW (15.5 Mg ha<sup>-1</sup>
) than in other rotations. Residue cover, amount, and C content in 2004 were 33 to 86% greater in NT than in CT and greater in CRP than in crop rotations. Residue amount (2.47 Mg ha<sup>-1</sup>
) and C content (0.96 Mg ha<sup>-1</sup>
) were greater in NT with CW than in other treatments, except in CT with CRP and W-F and in NT with CRP and W-W-F. The SOC at the 0- to 5-cm depth was 23% greater in NT (6.4 Mg ha<sup>-1</sup>
) than in CT. The POC was not influenced by tillage and crop rotation, but POC to SOC ratio at the 0- to 20-cm depth was greater in NT with W-L (369 g kg<sup>-1</sup>
SOC) than in CT with CW, W-F, and W-L. From 1998 to 2003, SOC at the 0-to 20-cm depth decreased by 4% in CT but increased by 3% in NT. Carbon can be sequestered in dryland soils and plant residue in areas previously under CRP using reduced tillage and increased cropping intensity, such as NT with CW, compared with traditional practice, such as CT with W-F system, and the content can be similar to that in CRP planting.</div><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0047-2425</s0>
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</fA03><fA08 i1="01" i2="1" l="ENG"><s1>Carbon sequestration in dryland soils and plant residue as influenced by tillage and crop rotation</s1>
</fA08><fA11 i1="01" i2="1"><s1>SAINJU (Upendra M.)</s1>
</fA11><fA11 i1="02" i2="1"><s1>LENSSEN (Andrew)</s1>
</fA11><fA11 i1="03" i2="1"><s1>CAESAR-THONTHAT (Thecan)</s1>
</fA11><fA11 i1="04" i2="1"><s1>WADDELL (Jed)</s1>
</fA11><fA14 i1="01"><s1>USDA-ARS, 1500 North Central Avenue</s1>
<s2>Sidney, MT 59270</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
</fA14><fA20><s1>1341-1347</s1>
</fA20><fA21><s1>2006</s1>
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<s2>15480</s2>
<s5>354000139076220400</s5>
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<s1>© 2006 INIST-CNRS. All rights reserved.</s1>
</fA44><fA45><s0>38 ref.</s0>
</fA45><fA47 i1="01" i2="1"><s0>06-0443103</s0>
</fA47><fA60><s1>P</s1>
<s2>C</s2>
</fA60><fA64 i1="01" i2="1"><s0>Journal of environmental quality</s0>
</fA64><fA66 i1="01"><s0>USA</s0>
</fA66><fC01 i1="01" l="ENG"><s0>Long-term use of conventional tillage and wheat (Triticum aestivum L.)-fallow systems in the northern Great Plains have resulted in low soil organic carbon (SOC) levels. We examined the effects of two tillage practices [conventional till (CT) and no-till (NT)], five crop rotations [continuous spring wheat (CW), spring wheat-fallow (W-F), spring wheat-lentil (Lens culinaris Medic.) (W-L), spring wheat-spring wheat-fallow (W-W-F), and spring wheat-pea (Pisum sativum L.)-fallow (W-P-F)], and Conservation Reserve Program (CRP) planting on plant C input, SOC, and particulate organic carbon (POC). A field experiment was conducted in a mixture of Scobey clay loam (fine-loamy, mixed, Aridic Argiborolls) and Kevin clay loam (fine, montmorillonitic, Aridic Argiborolls) from 1998 to 2003 in Havre, MT. Total plant biomass returned to the soil from 1998 to 2003 was greater in CW (15.5 Mg ha<sup>-1</sup>
) than in other rotations. Residue cover, amount, and C content in 2004 were 33 to 86% greater in NT than in CT and greater in CRP than in crop rotations. Residue amount (2.47 Mg ha<sup>-1</sup>
) and C content (0.96 Mg ha<sup>-1</sup>
) were greater in NT with CW than in other treatments, except in CT with CRP and W-F and in NT with CRP and W-W-F. The SOC at the 0- to 5-cm depth was 23% greater in NT (6.4 Mg ha<sup>-1</sup>
) than in CT. The POC was not influenced by tillage and crop rotation, but POC to SOC ratio at the 0- to 20-cm depth was greater in NT with W-L (369 g kg<sup>-1</sup>
SOC) than in CT with CW, W-F, and W-L. From 1998 to 2003, SOC at the 0-to 20-cm depth decreased by 4% in CT but increased by 3% in NT. Carbon can be sequestered in dryland soils and plant residue in areas previously under CRP using reduced tillage and increased cropping intensity, such as NT with CW, compared with traditional practice, such as CT with W-F system, and the content can be similar to that in CRP planting.</s0><fC02 i1="01" i2="X"><s0>001D16</s0>
</fC02><fC02 i1="02" i2="2"><s0>001E01O04</s0>
</fC02><fC02 i1="03" i2="X"><s0>002A32</s0>
</fC02><fC02 i1="04" i2="X"><s0>002A31D07</s0>
</fC02><fC02 i1="05" i2="2"><s0>226B04</s0>
</fC02><fC02 i1="06" i2="X"><s0>215</s0>
</fC02><fC03 i1="01" i2="X" l="FRE"><s0>Séquestration carbone</s0>
<s5>01</s5>
</fC03><fC03 i1="01" i2="X" l="ENG"><s0>Carbon sequestration</s0>
<s5>01</s5>
</fC03><fC03 i1="01" i2="X" l="SPA"><s0>Secuestro carbono</s0>
<s5>01</s5>
</fC03><fC03 i1="02" i2="X" l="FRE"><s0>Long terme</s0>
<s5>02</s5>
</fC03><fC03 i1="02" i2="X" l="ENG"><s0>Long term</s0>
<s5>02</s5>
</fC03><fC03 i1="02" i2="X" l="SPA"><s0>Largo plazo</s0>
<s5>02</s5>
</fC03><fC03 i1="03" i2="X" l="FRE"><s0>Triticum aestivum</s0>
<s2>NS</s2>
<s5>03</s5>
</fC03><fC03 i1="03" i2="X" l="ENG"><s0>Triticum aestivum</s0>
<s2>NS</s2>
<s5>03</s5>
</fC03><fC03 i1="03" i2="X" l="SPA"><s0>Triticum aestivum</s0>
<s2>NS</s2>
<s5>03</s5>
</fC03><fC03 i1="04" i2="X" l="FRE"><s0>Lens culinaris</s0>
<s2>NS</s2>
<s5>04</s5>
</fC03><fC03 i1="04" i2="X" l="ENG"><s0>Lens culinaris</s0>
<s2>NS</s2>
<s5>04</s5>
</fC03><fC03 i1="04" i2="X" l="SPA"><s0>Lens culinaris</s0>
<s2>NS</s2>
<s5>04</s5>
</fC03><fC03 i1="05" i2="X" l="FRE"><s0>Pisum sativum</s0>
<s2>NS</s2>
<s5>05</s5>
</fC03><fC03 i1="05" i2="X" l="ENG"><s0>Pisum sativum</s0>
<s2>NS</s2>
<s5>05</s5>
</fC03><fC03 i1="05" i2="X" l="SPA"><s0>Pisum sativum</s0>
<s2>NS</s2>
<s5>05</s5>
</fC03><fC03 i1="06" i2="X" l="FRE"><s0>Carbone particulaire</s0>
<s5>06</s5>
</fC03><fC03 i1="06" i2="X" l="ENG"><s0>Particulate carbon</s0>
<s5>06</s5>
</fC03><fC03 i1="06" i2="X" l="SPA"><s0>Carbono particular</s0>
<s5>06</s5>
</fC03><fC03 i1="07" i2="X" l="FRE"><s0>Biomasse</s0>
<s5>07</s5>
</fC03><fC03 i1="07" i2="X" l="ENG"><s0>Biomass</s0>
<s5>07</s5>
</fC03><fC03 i1="07" i2="X" l="SPA"><s0>Biomasa</s0>
<s5>07</s5>
</fC03><fC03 i1="08" i2="X" l="FRE"><s0>Grandes Plaines du Nord</s0>
<s2>564</s2>
<s5>31</s5>
</fC03><fC03 i1="08" i2="X" l="ENG"><s0>Northern Great Plains</s0>
<s2>564</s2>
<s5>31</s5>
</fC03><fC03 i1="08" i2="X" l="SPA"><s0>Grandes Llanuras del Norte</s0>
<s2>564</s2>
<s5>31</s5>
</fC03><fC03 i1="09" i2="X" l="FRE"><s0>Gaz effet serre</s0>
<s5>35</s5>
</fC03><fC03 i1="09" i2="X" l="ENG"><s0>Greenhouse gas</s0>
<s5>35</s5>
</fC03><fC03 i1="09" i2="X" l="SPA"><s0>Gas efecto invernadero</s0>
<s5>35</s5>
</fC03><fC03 i1="10" i2="3" l="FRE"><s0>Réduction pollution</s0>
<s5>36</s5>
</fC03><fC03 i1="10" i2="3" l="ENG"><s0>Pollution abatement</s0>
<s5>36</s5>
</fC03><fC03 i1="11" i2="X" l="FRE"><s0>Pollution air</s0>
<s5>37</s5>
</fC03><fC03 i1="11" i2="X" l="ENG"><s0>Air pollution</s0>
<s5>37</s5>
</fC03><fC03 i1="11" i2="X" l="SPA"><s0>Contaminación aire</s0>
<s5>37</s5>
</fC03><fC03 i1="12" i2="X" l="FRE"><s0>Lutte antipollution</s0>
<s5>38</s5>
</fC03><fC03 i1="12" i2="X" l="ENG"><s0>Pollution control</s0>
<s5>38</s5>
</fC03><fC03 i1="12" i2="X" l="SPA"><s0>Lucha anticontaminación</s0>
<s5>38</s5>
</fC03><fC07 i1="01" i2="X" l="FRE"><s0>Gramineae</s0>
<s2>NS</s2>
</fC07><fC07 i1="01" i2="X" l="ENG"><s0>Gramineae</s0>
<s2>NS</s2>
</fC07><fC07 i1="01" i2="X" l="SPA"><s0>Gramineae</s0>
<s2>NS</s2>
</fC07><fC07 i1="02" i2="X" l="FRE"><s0>Monocotyledones</s0>
<s2>NS</s2>
</fC07><fC07 i1="02" i2="X" l="ENG"><s0>Monocotyledones</s0>
<s2>NS</s2>
</fC07><fC07 i1="02" i2="X" l="SPA"><s0>Monocotyledones</s0>
<s2>NS</s2>
</fC07><fC07 i1="03" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07><fC07 i1="03" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07><fC07 i1="03" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07><fC07 i1="04" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07><fC07 i1="04" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07><fC07 i1="04" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07><fC07 i1="05" i2="X" l="FRE"><s0>Leguminosae</s0>
<s2>NS</s2>
</fC07><fC07 i1="05" i2="X" l="ENG"><s0>Leguminosae</s0>
<s2>NS</s2>
</fC07><fC07 i1="05" i2="X" l="SPA"><s0>Leguminosae</s0>
<s2>NS</s2>
</fC07><fC07 i1="06" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07><fC07 i1="06" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07><fC07 i1="06" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07><fN21><s1>296</s1>
</fN21><fN44 i1="01"><s1>OTO</s1>
</fN44><fN82><s1>OTO</s1>
</fN82><pR><fA30 i1="01" i2="1" l="ENG"><s1>Third USDA Symposium on Greenhouse Gases and Carbon Sequestration in Agriculture and Forestry</s1>
<s2>3</s2>
<s3>Baltimore, MD USA</s3>
<s4>2005-03-21</s4>
</fA30><server><NO>PASCAL 06-0443103 INIST</NO>
<ET>Carbon sequestration in dryland soils and plant residue as influenced by tillage and crop rotation</ET>
<AU>SAINJU (Upendra M.); LENSSEN (Andrew); CAESAR-THONTHAT (Thecan); WADDELL (Jed)</AU>
<AF>USDA-ARS, 1500 North Central Avenue/Sidney, MT 59270/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Journal of environmental quality; ISSN 0047-2425; Coden JEVQAA; Etats-Unis; Da. 2006; Vol. 35; No. 4; Pp. 1341-1347; Bibl. 38 ref.</SO>
<LA>Anglais</LA>
<EA>Long-term use of conventional tillage and wheat (Triticum aestivum L.)-fallow systems in the northern Great Plains have resulted in low soil organic carbon (SOC) levels. We examined the effects of two tillage practices [conventional till (CT) and no-till (NT)], five crop rotations [continuous spring wheat (CW), spring wheat-fallow (W-F), spring wheat-lentil (Lens culinaris Medic.) (W-L), spring wheat-spring wheat-fallow (W-W-F), and spring wheat-pea (Pisum sativum L.)-fallow (W-P-F)], and Conservation Reserve Program (CRP) planting on plant C input, SOC, and particulate organic carbon (POC). A field experiment was conducted in a mixture of Scobey clay loam (fine-loamy, mixed, Aridic Argiborolls) and Kevin clay loam (fine, montmorillonitic, Aridic Argiborolls) from 1998 to 2003 in Havre, MT. Total plant biomass returned to the soil from 1998 to 2003 was greater in CW (15.5 Mg ha<sup>-1</sup>
) than in other rotations. Residue cover, amount, and C content in 2004 were 33 to 86% greater in NT than in CT and greater in CRP than in crop rotations. Residue amount (2.47 Mg ha<sup>-1</sup>
) and C content (0.96 Mg ha<sup>-1</sup>
) were greater in NT with CW than in other treatments, except in CT with CRP and W-F and in NT with CRP and W-W-F. The SOC at the 0- to 5-cm depth was 23% greater in NT (6.4 Mg ha<sup>-1</sup>
) than in CT. The POC was not influenced by tillage and crop rotation, but POC to SOC ratio at the 0- to 20-cm depth was greater in NT with W-L (369 g kg<sup>-1</sup>
SOC) than in CT with CW, W-F, and W-L. From 1998 to 2003, SOC at the 0-to 20-cm depth decreased by 4% in CT but increased by 3% in NT. Carbon can be sequestered in dryland soils and plant residue in areas previously under CRP using reduced tillage and increased cropping intensity, such as NT with CW, compared with traditional practice, such as CT with W-F system, and the content can be similar to that in CRP planting.</EA><CC>001D16; 001E01O04; 002A32; 002A31D07; 226B04; 215</CC>
<FD>Séquestration carbone; Long terme; Triticum aestivum; Lens culinaris; Pisum sativum; Carbone particulaire; Biomasse; Grandes Plaines du Nord; Gaz effet serre; Réduction pollution; Pollution air; Lutte antipollution</FD>
<FG>Gramineae; Monocotyledones; Angiospermae; Spermatophyta; Leguminosae; Dicotyledones</FG>
<ED>Carbon sequestration; Long term; Triticum aestivum; Lens culinaris; Pisum sativum; Particulate carbon; Biomass; Northern Great Plains; Greenhouse gas; Pollution abatement; Air pollution; Pollution control</ED>
<EG>Gramineae; Monocotyledones; Angiospermae; Spermatophyta; Leguminosae; Dicotyledones</EG>
<SD>Secuestro carbono; Largo plazo; Triticum aestivum; Lens culinaris; Pisum sativum; Carbono particular; Biomasa; Grandes Llanuras del Norte; Gas efecto invernadero; Contaminación aire; Lucha anticontaminación</SD>
<LO>INIST-15480.354000139076220400</LO>
<ID>06-0443103</ID>
</server>
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