U. Hartwig

发表

16 – Symbiotic Nitrogen Fixation: One Key to Understand the Response of Temperate Grassland Ecosystems to Elevated CO2?

A. Lüscher, C. Kessel, J. Nösberger, 1996 .

Progressive Nitrogen Limitation of Ecosystem Responses to Rising Atmospheric Carbon Dioxide

W. Parton, C. Field, M. Shaw, 2004 .

Ten years of free‐air CO2 enrichment altered the mobilization of N from soil in Lolium perenne L. swards

Herbert Blum, Manuel K. Schneider, Michael Richter, 2004 .

Influence of an Elevated Atmospheric CO2 Content on Soil and Rhizosphere Bacterial Communities Beneath Lolium perenne and Trifolium repens under Field Conditions

M. Aragno, U. Hartwig, L. Marilley, 1999, Microbial Ecology.

Carbon‐13 input and turn‐over in a pasture soil exposed to long‐term elevated atmospheric CO2

David Harris, William R. Horwath, Andreas Lüscher, 2000 .

Structure and activity of the nitrate-reducing community in the rhizosphere of Lolium perenne and Trifolium repens under long-term elevated atmospheric pCO.

E. Kandeler, L. Philippot, U. Hartwig, 2004, FEMS microbiology ecology.

Linking sequestration of 13C and 15N in aggregates in a pasture soil following 8 years of elevated atmospheric CO2

W. Horwath, C. Kessel, U. Hartwig, 2002 .

Nitrogen‐15 budget in model ecosystems of white clover and perennial ryegrass exposed for four years at elevated atmospheric pCO2

A. Lüscher, J. Nösberger, U. Hartwig, 2002 .

Using stable isotopes to determine soil carbon input differences under ambient and elevated atmospheric CO2 conditions

A. Lüscher, U. Hartwig, C. van Kessel, 1997 .

Does nitrogen nutrition restrict the CO2 response of fertile grassland lacking legumes?

A. Lüscher, C. Kessel, J. Nösberger, 1997, Oecologia.

Microbial community changes in the rhizospheres of white clover and perennial ryegrass exposed to free air carbon dioxide enrichment (FACE)

G. Hendrey, M. Schortemeyer, U. Hartwig, 1996 .

Due to symbiotic N2 fixation, five years of elevated atmospheric pCO2 had no effect on the N concentration of plant litter in fertile, mixed grassland

A. Lüscher, J. Soussana, J. Nösberger, 2000, Plant and Soil.

Soil mineral nitrogen availability was unaffected by elevated atmospheric pCO2 in a four year old field experiment (Swiss FACE)

A. Lüscher, J. Nösberger, H. Blum, 2000, Plant and Soil.

Increased abundance of MTD1 and MTD2 mRNAs in nodules of decapitated Medicago truncatula

J. Nösberger, U. Hartwig, B. Reidy, 2000, Plant Molecular Biology.

Does the Response of Perennial Ryegrass to Elevated CO2 Concentration Depend on the Form of the Supplied Nitrogen?

A. Lüscher, J. Nösberger, U. Hartwig, 2002, Biologia Plantarum.

Mycorrhizas improve nitrogen nutrition of Trifolium repens after 8 yr of selection under elevated atmospheric CO2 partial pressure.

U. Hartwig, A. Leuchtmann, H. Gamper, 2005, The New phytologist.

Arbuscular mycorrhizal fungi benefit from 7 years of free air CO2 enrichment in well‐fertilized grass and legume monocultures

A. Lüscher, J. Jansa, U. Hartwig, 2004 .

Atmospheric pC0, in a Grassland Ecosystem'

U., A. Lüscher, Fischer, 2002 .

Symbiotic N2 fixation increases under elevated atmospheric pCO2 in the field

U. Hartwig, S. Zanetti, 1997 .

Nitrous oxide emissions from grass swards during the eighth year of elevated atmospheric pCO2 (Swiss FACE)

M. Richter, E. Baggs, U. Hartwig, 2003 .

Significance of Legumes for the Distribution of Plant Species in Grassland Ecosystems at Different Altitudes in the Alps

A. Lüscher, J. Nösberger, U. Hartwig, 2005, Plant Ecology.

Denitrification in grass swards is increased under elevated atmospheric CO2

M. Richter, E. Baggs, G. Cadisch, 2003 .

The relative contribution of symbiotic N2 fixation and other nitrogen sources to grassland ecosystems along an altitudinal gradient in the Alps

A. Lüscher, J. Nösberger, U. Hartwig, 2000, Plant and Soil.

Source-sink relations in Lolium perenne L. as reflected by carbohydrate concentrations in leaves and pseudo-stems during regrowth in a free air carbon dioxide enrichment (FACE) experiment*

A. Lüscher, J. Nösberger, H. Blum, 1997 .

Symbiotic N2 fixation of various legume species along an altitudinal gradient in the Swiss Alps

A. Lüscher, J. Nösberger, U. Hartwig, 2000 .

Chrysoeriol and Luteolin Released from Alfalfa Seeds Induce nod Genes in Rhizobium meliloti.

C. Maxwell, D. Phillips, U. Hartwig, 1990, Plant physiology.

Chrysoeriol and Luteolin Released from Alfalfa Seeds

C. Maxwell, D. Phillips, U. Hartwig, 2005 .

Quantification of soil carbon inputs under elevated carbon dioxide

R. Bol, D. Harkness, P. Ineson, 1996 .

Flavonoids Released Naturally from Alfalfa Seeds Enhance Growth Rate of Rhizobium meliloti.

D. Phillips, U. Hartwig, C. M. Joseph, 1991, Plant physiology.

Response of Root Branching and Shoot Water Potentials of French Beans (Phaseolus vulgaris L.) to Soil Moisture and Fertilizer Potassium

U. R. Sangakkara, J. Nösberger, U. Hartwig, 1996 .

Oxygen supply limits nitrogenase activity of clover nodules after defoliation

J. Nösberger, U. Hartwig, B. Boller, 1987 .

Soil moisture and potassium affect the performance of symbiotic nitrogen fixation in faba bean and common bean

U. R. Sangakkara, J. Nösberger, U. Hartwig, 1996, Plant and Soil.

Biological Nitrogen Fixation: A Key Process for the Response of Grassland Ecosystems to Elevated Atmospheric [CO2]

U. Hartwig, M. Sadowsky, 2006 .

The regulation of symbiotic N2 fixation: a conceptual model of N feedback from the ecosystem to the gene expression level

U. Hartwig, Ueli A. Hartwig, 1998 .

Electron microscopic investigation of water occlusions in intercellular spaces in the inner cortex of lucerne nodules.

P. Walther, U. Hartwig, J. Nosberger, 1999, Journal of structural biology.

Elevated atmospheric CO2 does not affect per se the preference for symbiotic nitrogen as opposed to mineral nitrogen of Trifolium repens L.

J. Nösberger, U. Hartwig, S. Zanetti, 1998 .

Phosphorus deficiency increases the argon-induced decline of nodule nitrogenase activity in soybean and alfalfa

U. Hartwig, J. Drevon, 1997, Planta.

Growth and Symbiotic Nitrogen Fixation ofVicia fabaandPhaseolus vulgaris as Affected by Fertiliser Potassium and Temperature

J. Nösberger, U. Hartwig, R. Sangakkara, 1996 .

Whole-Nodule Carbon Metabolites Are Not Involved in the Regulation of the Oxygen Permeability and Nitrogenase Activity in White Clover Nodules

U. Hartwig, J. Nosberger, C. Weisbach, 1996, Plant physiology.

The nitrogen‐sink is involved in the regulation of nitrogenase activity in white clover after defoliation

A. Lüscher, J. Nösberger, U. Hartwig, 1994 .

Symbiotic Nitrogen Fixation of White Clover in a Mixed Sward is not Limited by Height of Repeated Cutting

W. Kessler, J. Nösberger, U. Hartwig, 1994 .

Current Nitrogen Fixation Is Involved in the Regulation of Nitrogenase Activity in White Clover (Trifolium repens L.)

U. Hartwig, J. Nosberger, I. Heim, 1993, Plant physiology.

The Influence of Carbohydrate Reserves on the Response of Nodulated White Clover to Defoliation

J. Nösberger, U. Hartwig, B. Boller, 1990 .

Nitrogen plays a major role in leaves when source-sink relations change: C and N metabolism in Lolium perenne growing under free air CO2 enrichment

A. Lüscher, D. Suter, J. Nösberger, 2000 .

Effects of alfalfa nod gene-inducing flavonoids on nodABC transcription in Rhizobium meliloti strains containing different nodD genes

C M Joseph, C. Maxwell, D. Phillips, 1990, Journal of bacteriology.

Evidence that P deficiency induces N feedback regulation of symbiotic N2 fixation in white clover (Trifolium repens L.).

A. Lüscher, J. Nösberger, U. Hartwig, 2000, Journal of experimental botany.

A Chalcone and Two Related Flavonoids Released from Alfalfa Roots Induce nod Genes of Rhizobium meliloti.

C M Joseph, C. Maxwell, D. Phillips, 1989, Plant physiology.

Release and Modification of nod-Gene-Inducing Flavonoids from Alfalfa Seeds.

D. Phillips, U. Hartwig, 1991, Plant physiology.

Elevated atmospheric CO2 alters microbial population structure in a pasture ecosystem

Jürg M. Blumenthal, H. Hur, U. Hartwig, 2000 .

Stimulation of Symbiotic N2 Fixation in Trifolium repens L. under Elevated Atmospheric pCO2 in a Grassland Ecosystem

A. Lúscher, J. Nösberger, H. Blum, 1996, Plant physiology.

Stimulation of Symbiotic N, Fixation in Trifolium repens 1. under Elevated Atmospheric pC0, in a Grassland Ecosystem'

A. Lüscher, J. Nösberger, H. Blum, 1996 .

Direct evidence that symbiotic N2 fixation in fertile grassland is an important trait for a strong response of plants to elevated atmospheric CO2

A. Lüscher, D. Suter, J. Nösberger, 2000 .

Host legume control of nodulation by flavonoids

J. Wery, C. Maxwell, D. Phillips, 1990 .

Interactions among Flavonoid nod Gene Inducers Released from Alfalfa Seeds and Roots.

C. Maxwell, D. Phillips, U. Hartwig, 1989, Plant physiology.

AChalcone andTwoRelated Flavonoids Released from Alfalfa RootsInduce nodGenesofRhizobium meliloti

U. Hartwig, C. M. Joseph, 1989 .

Interactions among Flavonoid nodGeneInducers Released fromAlfalfa SeedsandRoots1

U. Hartwig, C. M. Joseph, A. Phillips, 1989 .

Rhizosphere flavonoids released by alfalfa

J. Wery, C. Maxwell, D. Phillips, 1991 .

What triggers the regulation of nitrogenase activity in forage legume nodules after defoliation?

J. Nösberger, U. Hartwig, 1994, Plant and Soil.

The effects of elevated CO2 on symbiotic N2 fixation: a link between the carbon and nitrogen cycles in grassland ecosystems

J. Soussana, U. Hartwig, 1995, Plant and Soil.

Arbuscular mycorrhiza infection enhances the growth response of Lolium perenne to elevated atmospheric pCO(2).

A. Lüscher, J. Nösberger, J. Jansa, 2002, Journal of experimental botany.

Fertile temperate grassland under elevated atmospheric CO2—role of feed-back mechanisms and availability of growth resources

A. Lüscher, J. Nösberger, H. Blum, 2004 .

Gross fluxes of nitrogen in grassland soil exposed to elevated atmospheric pCO2 for seven years

M. Richter, J. Nösberger, G. Cadisch, 2003 .

Net soil carbon input under ambient and elevated CO2 concentrations: isotopic evidence after 4 years

W. Horwath, A. Lüscher, U. Hartwig, 2000 .

Soil gas fluxes of N2O, CH4 and CO2 beneath Lolium perenne under elevated CO2: The Swiss free air carbon dioxide enrichment experiment

P. Ineson, U. Hartwig, P. Coward, 2004, Plant and Soil.

Is the Variable Oxygen Permeability in Nodules a Physical or a Physiological Phenomenon

P. Walther, J. Nösberger, U. Hartwig, 1997 .

Yield response of Lolium perenne swards to free air CO2 enrichment increased over six years in a high N input system on fertile soil

A. Lüscher, D. Suter, J. Nösberger, 2000 .

Growth response of Trifolium repens L. and Lolium perenne L. as monocultures and bi‐species mixture to free air CO2 enrichment and management

A. Lüscher, J. Nösberger, H. Blum, 1997 .

19 – Differences between Legumes and Nonlegumes of Permanent Grassland in Their Responses to Free-Air Carbon Dioxide Enrichment: Its Effect on Competition in a Multispecies Mixture

A. Lüscher, J. Nösberger, H. Blum, 1996 .

Glycolytic flux is adjusted to nitrogenase activity in nodules of detopped and argon-treated alfalfa plants

Hartwig, J. Nösberger, U. Hartwig, 1999, Plant physiology.

Root and Shoot Development of Phaseolus vulgaris L. (French Beans) as Affected by Soil Moisture and Fertilizer Potassium

U. R. Sangakkara, J. Nösberger, U. Hartwig, 1996 .

Balancing the C/N Ratio of Terrestrial Ecosystems in a CO2-Rich World: Example of an Ecosystem Control of Symbiotic N2 Fixation

A. Lüscher, J. Nösberger, H. Blum, 2002 .