Search Results - "Runion, G. B."

Elevated Atmospheric Carbon Dioxide Effects on Soybean and Sorghum Gas Exchange in Conventional and No-Tillage Systems by Prior, S.A, Runion, G.B, Rogers, H.H, Arriaga, F.J

“…Increasing atmospheric CO2 concentration has led to concerns about potential effects on production agriculture. In the fall of 1997, a study was initiated to…”
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Effects of Elevated Atmospheric CO2 on Invasive Plants: Comparison of Purple and Yellow Nutsedge (Cyperus rotundus L. and C. esculentus L.) by Rogers, H.H, Runion, G.B, Prior, S.A, Price, A.J, Torbert, H.A, Gjerstad, D.H

“…The rise in atmospheric CO2 concentration coupled with its direct, often positive, effect on the growth of plants raises the question of the response of…”
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Effects of elevated atmospheric CO₂ on two southern forest diseases by Runion, G.B, Prior, S.A, Rogers, H.H, Mitchell, R.J

“…Research into the effects of rising atmospheric carbon dioxide (CO₂) on plant diseases remains limited despite the economic importance of this subject…”
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Free-Air CO2 Enrichment of Sorghum: Soil Carbon and Nitrogen Dynamics by Prior, S.A, Torbert, H.A, Runion, G.B, Rogers, H.H, Kimball, B.A

“…The positive impact of elevated atmospheric CO2 concentration on crop biomass production suggests more carbon inputs to soil. Further study on the effect of…”
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Effects of residue management and controlled traffic on carbon dioxide and water loss by Reicosky, D.C., Reeves, D.W., Prior, S.A., Runion, G.B., Rogers, H.H., Raper, R.L.

“…Management of crop residues and soil organic matter is of primary importance in maintaining soil fertility and productivity and in minimizing agricultural…”
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Effects of Elevated Atmospheric Carbon Dioxide on Biomass and Carbon Accumulation in a Model Regenerating Longleaf Pine Community by Runion, G.B, Davis, M.A, Pritchard, S.G, Prior, S.A, Mitchell, R.J, Torbert, H.A, Rogers, H.H, Dute, R.R

“…Plant species vary in response to atmospheric C(O)2 concentration due to differences in physiology, morphology, phenology, and symbiotic relationships. These…”
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Free-Air Carbon Dioxide Enrichment of Soybean--Influence of Crop Variety on Residue Decomposition by Prior, S.A, Torbert, H.A, Runion, G.B, Rogers, H.H, Ort, D.R, Nelson, R.L

“…Elevated atmospheric C(O)2 can result in larger plants returning greater amounts of residue to the soil. However, the effects of elevated C(O)2 on carbon (C)…”
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Effects of nitrogen and water limitation and elevated atmospheric CO2 on ectomycorrhiza of longleaf pine by RUNION, G. B., MITCHELL, R. J., ROGERS, H. H., PRIOR, S. A., COUNTS, T. K.

“…Longleaf pine (Pinus palustris Mill.) seedlings were exposed to two concentrations of atmospheric CO2 (365 or 720 μmol mol−1) and two levels of N (0·02 or 0·20…”
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pneumatic device for lifting containers in plant water use studies by Prior, S.A, Runion, G.B, Kornecki, T.S, Rogers, H.H

“…Direct gravimetric determinations of whole-plant water use in container studies can be time consuming due to the tremendous labor required to physically lift…”
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hydraulic coring system for soil-root studies by Prior, S.A, Runion, G.B, Torbert, H.A, Erbach, D.C

“…Reliable sampling of belowground components in the field is essential to agroecosystem research. Factors such as hardpans and dry soil conditions often…”
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effects of elevated atmospheric CO₂ and soil P placement on cotton root deployment by Prior, S.A, Rogers, H.H, Mullins, G.L, Runion, G.B

“…Root proliferation into nutrient rich zones is an important mechanism in the exploitation of soil nutrients by plants. No studies have examined atmospheric CO2…”
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Tissue chemistry and carbon allocation in seedlings of Pinus palustris subjected to elevated atmospheric CO2 and water stress by Runion, G.B, Entry, J.A, Prior, S.A, Mitchell, R.J, Rogers, H.H

“…Longleaf pine (Pinus palustris Mill.) seedlings were grown in 45-1 pots and exposed to ambient or elevated (365 or 730 micromol CO(2) mol(-1)) CO(2)…”
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Carbon dioxide-enriched agroecosystems: influence of tillage on short-term soil carbon dioxide efflux by Prior, S.A. (National Soil Dynamics Lab., Agricultural Research Service, USDA, Auburn, AL.), Rogers, H.H, Runion, G.B, Torbert, H.A, Reicosky, D.C

“…Increasing atmospheric carbon dioxide (CO2) concentration can increase biomass production that may influence carbon (C) dynamics in terrestrial ecosystems…”
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Microbial responses to wheel-traffic in conventional and no-tillage systems by Runion, G.B, Prior, S.A, Reeves, D.W, Rogers, H.H, Reicosky, D.C, Peacock, A.D, White, D.C

“…Traffic-induced soil compaction and tillage systems can impact the productivity and sustainability of agricultural soils. The objective of this study was to…”
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Residue and tillage effects on planting implement-induced short-term CO2 and water loss from a loamy sand soil in Alabama by PRIOR, S. A, REICOSKY, D. C, REEVES, D. W, RUNION, G. B, RAPER, R. L

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Free-air carbon dioxide enrichment of wheat: soil carbon and nitrogen dynamics by Prior, S.A. (USDA, ARS, National Soil Dynamics Laboratory, Auburn, AL.), Torbert, H.A, Runion, G.B, Rogers, H.H, Wood, C.W, Kimball, B.A, LaMorte, R.L, Pinter, P.J, Wall, G.W

“…The predicted positive impact of elevated atmospheric carbon dioxide (CO2) concentration on crop biomass production suggests that more C will reach the soil…”
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Effects of nitrogen on Pinus palustris foliar respiratory responses to elevated atmospheric CO2 concentration by Mitchell, R.J., Runion, G.B., Prior, S.A., Rogers, H.H., Amthor, J.S., Henning, F.P.

“…Indirect effects of atmospheric CO2 concentration [CO2], on longleaf pine (Pinus palustris Mill.) foliage respiration were studied by growing trees in a…”
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Crop residue decomposition as affected by growth under elevated atmospheric CO2 by Torbert, H.A, Prior, S.A, Rogers, H.H, Runion, G.B

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Sour orange fine root distribution after seventeen years of atmospheric CO2 enrichment by Prior, S.A, Runion, G.B, Torbert, H.A, Idso, S.B, Kimball, B.A

“…► Elevated CO2 increased both root length (35.6%) and root dry weight (39.1%) densities. ► Fine root length density in the top two depths increased by 64.5 and…”
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Effects of atmospheric CO2 on longleaf pine: productivity and allocation as influenced by nitrogen and water by Prior, S.A, Runion, G.B, Mitchell, R.J, Rogers, H.H, Amthor, J.S

“…Longleaf pine (Pinus palustris Mill.) seedlings were exposed to two concentrations of atmospheric CO2 (365 or 720 micromoles mol-1) in combination with two N…”
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