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| 1 | Responses of Soil Microbial Community Structure and Diversity to Agricultural Deintensification显示文摘Using a scheme of agricultural fields with progressively less intensive management (deintensification), different manage- ment practices in six agroecosystems located near Goldsboro, NC, USA were tested in a large-scale experiment, including two cash-grain cropping systems employing either tillage (CT) or no-tillage (NT), an organic farming system (OR), an integrated cropping system with animals (IN), a successional field (SU), and a plantation woodlot (WO). Microbial phos- pholipid fatty acid (PLFA) profiles and substrate utilization patterns (BIOLOG ECO plates) were measured to examine the effects of deintensification on the structure and diversity of soil microbial communities. Principle component analyses of PLFA and BIOLOG data showed that the microbial community structure diverged among the soils of the six systems. Lower microbial diversity was found in lowly managed ecosystem than that in intensive and moderately managed agro- ecosystems, and both fungal contribution to the total identified PLFAs and the ratio of microbial biomass C/N increased along with agricultural deintensification. Significantly higher ratios of C/N (P < 0.05) were found in the WO and SU systems, and for fungal/bacterial PLFAs in the WO system (P < 0.05). There were also significant decreases (P < 0.05) along with agricultural deintensification for contributions of total bacterial and gram positive (G+) bacterial PLFAs. Agricultural deintensification could facilitate the development of microbial communities that favor soil fungi over bacteria. | ZHANG Wei- Jian RUI Wen-Yi C. TU H. G. DIAB F. J. LOUWS J. P. MUELLER N. CREAMER M. BELL M.G. WAGGER S. HU | 2005 | Pedosphere2005，15，4： | 29 |
| 2 | Residue management for irrigated maize grain and silage production显示文摘 | Cassel D K Wagger M g | 1996 | Soil and Tillage Research1996，39，： | 1 |
| 3 | Corn yield and water use efficiency as affected by tillage and irrigation显示文摘 | Wagger M G | 1993 | SSSAJ1993，57，1： | 1 |
| 4 | 显示文摘 | Wagger P | 1999 | Angew Chem Int Ed1999，38，9： | 1 |
| 5 | 查看详情显示文摘 | Bezen(s)ek J Kole(s)a T Gro(s)elj U Wagger J Stare K Meden A Svete J Stanovnik B | | 0，，： | 1 |
| 6 | Nitrogen and carbon cycling in relation to cover crop residues quality 显示文摘 | Wagger M G Cabrea M L Ranells N N | 1998 | Soil and Water Cons1998，53，3： | 1 |
| 7 | Transition probabilities for a forest显示文摘 | Waggers P E Stephens G R | 1970 | Nature1970，，225： | 1 |
| 8 | Chemical movement in relation to tillage system and simulated rainfall intensity显示文摘 | Myers J L Wagger M G Leidy R B | 1995 | Journal of Environmental Quality1995，24，： | 1 |
| 9 | Contributions of shoot and root nitrogen - 15 labeled, legume nitrogen sources to a sequence of three cereal crops显示文摘 | Glasener K M Wagger M G MacKown C T | 2002 | Soil Sci Soc Am J2002，，66： | 1 |
| 10 | Chemical movement in relation to tillage system and simulated rainfall intensity显示文摘 | Myers J L Wagger M G Leidy R B | 1995 | J of Environ Qual1995，24，： | 1 |
| 11 | Nitrogen and carbon cycling in relation to cover crop residue quality显示文摘 | WAGGER M G CABREA M L RANELLS N N | 1998 | Soil and Water Cons1998，53，3： | 1 |
| 12 | Contributions of shoot and mot nitrogen labeled legume nitrogen sources to a sequence of three cereal crops显示文摘 | GLASENER K M WAGGER M G MACKOWN C T | 2002 | Soil Sci Soc Am2002，66，： | 1 |
| 13 | Contributions of shoot and root nitrogen-15 labeled legume ni- trogen sources to a sequence of three cereal crops显示文摘 | GLASENER K M WAGGER M G MACKOWN C T | 2002 | Soil Sci Soc Am J2002，66，2： | 1 |
| 14 | Nitrogen and carbon cychng in relation to cover residue quality显示文摘 | Wagger M G Cabrera M L and Ranells N N | 1998 | Soil and water conservation1998，53，3： | 1 |
| 15 | Contributions of shoot and root nitrogen^15 labeled legum nitrogen sources to a sequence of three cereal crops 显示文摘 | GLASENER K M WAGGER M G MACKOWN C T | 2002 | Soil Sci Soc Am J2002，66，： | 1 |
| 16 | Contributions of shoot and root nitrogen-15labeled legume nitrogen sources to a se-quence of three cereal crops显示文摘 | Glasener K M Wagger M G Mackown C T Volk R J | 2002 | Soil Science Society of America Journal2002，66，： | 1 |
| 17 | Parallel solu- tion-phase synthesis of (Z)-3-(arylamino)-2, 3-de- hydroalanine derivatives and solid-phase synthesis of fused pyrimidones 显示文摘 | Cebasek P Wagger J Bevk D | 2004 | J Comb Chem2004，6，： | 1 |
| 18 | Corn yield and water use efficiency as affected by tillage and irrigation显示文摘 | Wagger M G | 1993 | Soil Sci Soc Am1993，57，1： | 1 |
| 19 | Responses of soil microbial community structure and diversity to agricultural deintensification显示文摘 | Zhang W J Rui WY Tu C Diab HG Louws F J Mueller JP Creamer N Bell M Wagger MG Hu S | 2007 | 中国生物学文摘2007，21，8： | 0 |
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