Soil aggregation and soil organic matter in conventionally and organically farmed Austrian Chernozems / Bodenaggregation und organische Substanz in konventionell und biologisch bewirtschafteten österreichischen Tschernosemböden

AGES (Austrian Agency for Health and Food Safety) (2013): Pflanzenschutzmittel. http://www.ages.at/ages/landwirtschaftlichesachgebiete/pflanzenschutzmittel/. Accessed on 14.11.2013.AGES (Austrian Agency for Health and Food Safety)2013Pflanzenschutzmittelhttp://www.ages.at/ages/landwirtschaftlichesachgebiete/pflanzenschutzmittel/Accessed on 14.11.2013Search in Google Scholar

Amézketa, E. (1999): Soil aggregate stability: A Review. Journal of Sustainable Agriculture 14, 83–151.AmézketaE.1999Soil aggregate stability: A ReviewJournal of Sustainable Agriculture148315110.1300/J064v14n02_08Search in Google Scholar

Baldock, J.A., Oades, J.M., Nelson, P.N., Skene, T.M., Golchin, A. and P. Clarke (1997): Assessing the extent of decomposition of natural organic materials using solid-state ¹³C NMR spectroscopy. Australian Journal of Soil Research 35, 1061–1083.BaldockJ.A.OadesJ.M.NelsonP.N.SkeneT.M.GolchinA.ClarkeP.1997Assessing the extent of decomposition of natural organic materials using solid-state ¹³C NMR spectroscopyAustralian Journal of Soil Research351061108310.1071/S97004Search in Google Scholar

Barral, M.T., Arias, M. and J. Guerif (1998): Effects of iron and organic matter on the porosity and structural stability of soil aggregates. Soil & Tillage Research 46, 261–272.BarralM.T.AriasM.GuerifJ.1998Effects of iron and organic matter on the porosity and structural stability of soil aggregatesSoil & Tillage Research4626127210.1016/S0167-1987(98)00092-0Search in Google Scholar

BIO AUSTRIA (2010): Produktionsrichtlinien. Die Biobäuerinnen und Biobauern Österreichs. 3^rd ed., Linz, Austria.BIO AUSTRIA2010Produktionsrichtlinien. Die Biobäuerinnen und Biobauern Österreichs3^rdLinz, AustriaSearch in Google Scholar

Bloem, J., Veninga, M. and J. Shepherd (1995): Fully-automatic determination of soil bacterium numbers, cell volumes, and frequencies of dividing cells by confocal laser-scanning microscopy and image-analysis. Applied and Environmental Microbiology 61, 926–936.BloemJ.VeningaM.ShepherdJ.1995Fully-automatic determination of soil bacterium numbers, cell volumes, and frequencies of dividing cells by confocal laser-scanning microscopy and image-analysisApplied and Environmental Microbiology6192693610.1128/aem.61.3.926-936.1995Search in Google Scholar

Bloem, J. and A. Vos (2004): Fluorescent staining of microbes for total direct counts. In: Kowalchuk, G.A., De Bruijn, F.J., Head, I.M., Akkermans, A.D.L. and J.D. Van Elsas (Eds.): Molecular Microbial Ecology Manual. 2^nd ed., Kluwer Academic Publishers, Dordrecht, pp. 861–874.BloemJ.VosA.2004Fluorescent staining of microbes for total direct countsKowalchukG.A.De BruijnF.J.HeadI.M.AkkermansA.D.L.Van ElsasJ.D.Molecular Microbial Ecology Manual2^ndKluwer Academic PublishersDordrecht861874Search in Google Scholar

BMLFUW (2006): Richtlinien für die sachgerechte Düngung. 6^th ed., Bundesministerium für Land- und Forstwirtschaft, Umwelt und Wasserwirtschaft, Vienna, Austria.BMLFUW2006Richtlinien für die sachgerechte Düngung6^thBundesministerium für Land- und Forstwirtschaft, Umwelt und WasserwirtschaftVienna, AustriaSearch in Google Scholar

Canali, S. and A. Benedetti (2006): Soil nitrogen mineralization. In: Bloem, J., Hopkins, D.W. and A. Benedetti (Eds.): Microbiological methods for assessing soil quality. CABI Publishing, Wallingford, UK, pp. 127–135.CanaliS.BenedettiA.2006Soil nitrogen mineralizationBloemJ.HopkinsD.W.BenedettiA.Microbiological methods for assessing soil qualityCABI PublishingWallingford, UK127135Search in Google Scholar

Chan, K.Y., Heenan, D.P. and A. Oates (2002): Soil carbon fractions and relationship to soil quality under different tillage and stubble management. Soil & Tillage Research 63, 133–139.ChanK.Y.HeenanD.P.OatesA.2002Soil carbon fractions and relationship to soil quality under different tillage and stubble managementSoil & Tillage Research6313313910.1016/S0167-1987(01)00239-2Search in Google Scholar

Dimoyiannis, D.G. (2012): Wet aggregate stability as affected by excess carbonate and other soil properties. Land Degradation & Development 23, 450–455.DimoyiannisD.G.2012Wet aggregate stability as affected by excess carbonate and other soil propertiesLand Degradation & Development2345045510.1002/ldr.1085Search in Google Scholar

Dimoyiannis, D.G., Tsadilas, C.D. and S. Valmis (1998): Factors affecting aggregate instability of Greek agricultural soils. Communications in Soil Science and Plant Analysis 29, 1239–1251.DimoyiannisD.G.TsadilasC.D.ValmisS.1998Factors affecting aggregate instability of Greek agricultural soilsCommunications in Soil Science and Plant Analysis291239125110.1080/00103629809370023Search in Google Scholar

Dinel, H., Righi, D., Hardy, M. and P. Jambu (1997): Neutral lipids and structural stability of physically degraded soils. Agrochemica 41, 97–108.DinelH.RighiD.HardyM.JambuP.1997Neutral lipids and structural stability of physically degraded soilsAgrochemica4197108Search in Google Scholar

Duiker, S.W., Rhoton, F.E., Torrent, J., Smeck, N.E. and R. Lal (2003): Iron (hydr)oxide crystallinity effects on soil aggregation. Soil Science Society of America Journal 67, 606–611.DuikerS.W.RhotonF.E.TorrentJ.SmeckN.E.LalR.2003Iron (hydr)oxide crystallinity effects on soil aggregationSoil Science Society of America Journal6760661110.2136/sssaj2003.6060Search in Google Scholar

Eash, N.S., Karlen, D.L. and T.B. Parkin (1994): Fungal contributions to soil aggregation and soil quality. SSSA Special Publication No. 35, Madison, WI, USA, pp. 221–228.EashN.S.KarlenD.L.ParkinT.B.1994Fungal contributions to soil aggregation and soil qualitySSSA Special Publication No. 35Madison, WI, USA22122810.2136/sssaspecpub35.c16Search in Google Scholar

Erhart, E. and W. Hartl (2010): Compost use in organic Farming. In: Lichtfouse, E. (Ed.): Genetic engineering, biofertilization, soil quality and organic farming. Sustainable Agriculture Reviews 4, Springer, pp. 311–345.ErhartE.HartlW.2010Compost use in organic FarmingLichtfouseE.Genetic engineering, biofertilization, soil quality and organic farmingSustainable Agriculture Reviews 4Springer31134510.1007/978-90-481-8741-6_11Search in Google Scholar

Erhart, E., Hartl, W. and B. Putz (2005): Biowaste compost affects yield, nitrogen supply during the vegetation period and crop quality of agricultural crops. European Journal of Agronomy 23, 305–314.ErhartE.HartlW.PutzB.2005Biowaste compost affects yield, nitrogen supply during the vegetation period and crop quality of agricultural cropsEuropean Journal of Agronomy2330531410.1016/j.eja.2005.01.002Search in Google Scholar

Gattinger, A., Muller, A., Haeni, M., Skinner, C., Fliessbach, A., Buchmann, N., Mäder, P., Stolze, M., Smith, P., El-Hage Scialabba, N. and U. Niggli (2012): Enhanced top soil carbon stocks under organic farming. Proceedings of the National Academy of Sciences 109, 18226–18231.GattingerA.MullerA.HaeniM.SkinnerC.FliessbachA.BuchmannN.MäderP.StolzeM.SmithP.El-Hage ScialabbaN.NiggliU.2012Enhanced top soil carbon stocks under organic farmingProceedings of the National Academy of Sciences109182261823110.1073/pnas.1209429109Search in Google Scholar

Gazzé, S.A., Saccone, L., Smiths, M.M., Duran, A.L., Leake, J.R., Banwart, S.A., Ragnarsdóttir, K.V. and T.J. McMaster (2013): Nanoscale observations of extracellular polymeric substances deposition on phyllosilicates by an ectomycorrhizal fungus. Geomicrobiology Journal 30, 721–730.GazzéS.A.SacconeL.SmithsM.M.DuranA.L.LeakeJ.R.BanwartS.A.RagnarsdóttirK.V.McMasterT.J.2013Nanoscale observations of extracellular polymeric substances deposition on phyllosilicates by an ectomycorrhizal fungusGeomicrobiology Journal3072173010.1080/01490451.2013.766285Search in Google Scholar

Ghani, A., Dexter, M. and K.W Perrott (2003): Hot-water extractable carbon in soils: A sensitive measurement for determining impacts of fertilisation, grazing and cultivation. Soil Biology & Biochemistry 35, 1231–1243.GhaniA.DexterM.PerrottK.W2003Hot-water extractable carbon in soils: A sensitive measurement for determining impacts of fertilisation, grazing and cultivationSoil Biology & Biochemistry351231124310.1016/S0038-0717(03)00186-XSearch in Google Scholar

Golchin, A., Baldock, J.A., Clarke, P., Higashi, T. and J.M. Oades (1997): The effects of vegetation and burning on the chemical composition of soil organic matter of a volcanic ash soil as shown by ¹³C NMR spectroscopy. II. Density fractions. Geoderma 76, 175–192.GolchinA.BaldockJ.A.ClarkeP.HigashiT.OadesJ.M.1997The effects of vegetation and burning on the chemical composition of soil organic matter of a volcanic ash soil as shown by ¹³C NMR spectroscopy. II. Density fractionsGeoderma7617519210.1016/S0016-7061(96)00103-6Search in Google Scholar

Golchin, A., Oades, J.M., Skjemstad, J.O. and P. Clarke (1994): Study of free and occluded particulate organic matter in soils by solid state ¹³C CP/MAS NMR spectroscopy and scanning electron microscopy. Australian Journal of Soil Research 32, 285–309.GolchinA.OadesJ.M.SkjemstadJ.O.ClarkeP.1994Study of free and occluded particulate organic matter in soils by solid state ¹³C CP/MAS NMR spectroscopy and scanning electron microscopyAustralian Journal of Soil Research3228530910.1071/SR9940285Search in Google Scholar

Hartl, W. and E. Erhart (2005): Crop nitrogen recovery and soil nitrogen dynamics in a 10-year field experiment with biowaste compost. Journal of Plant Nutrition and Soil Science 168, 781–788.HartlW.ErhartE.2005Crop nitrogen recovery and soil nitrogen dynamics in a 10-year field experiment with biowaste compostJournal of Plant Nutrition and Soil Science16878178810.1002/jpln.200521702Search in Google Scholar

IUSS Working Group WRB. 2015. World Reference Base for Soil Resources 2014, update 2015. International soil classification system for naming soils and creating legends for soil maps. World Soil Resources Reports No. 106. FAO, Rome.IUSS Working Group WRB2015World Reference Base for Soil Resources 2014, update 2015. International soil classification system for naming soils and creating legends for soil mapsWorld Soil Resources Reports No. 106. FAORomeSearch in Google Scholar

Kemper, W.D. and R.C. Rosenau (1986): Aggregate stability and size distribution. In: Klute, A. (Ed.): Methods of Soil Analysis. Part 1. Physical and Mineralogical Methods. Agronomy Monograph 9, 2^nd ed., ASA/SSSA, Madison, WI, USA, pp. 425–442.KemperW.D.RosenauR.C.1986Aggregate stability and size distributionKluteA.Methods of Soil Analysis. Part 1. Physical and Mineralogical Methods. Agronomy Monograph92^ndASA/SSSAMadison, WI, USA42544210.2136/sssabookser5.1.2ed.c17Search in Google Scholar

Kirchmann, H., Bergström, L., Kätterer, T., Mattson, L. and S. Gesslein (2007): Comparison of long-term organic and conventional crop-livestock systems on a previously nutrient-depleted soil in Sweden. Agronomy Journal 99, 960–972.KirchmannH.BergströmL.KättererT.MattsonL.GessleinS.2007Comparison of long-term organic and conventional crop-livestock systems on a previously nutrient-depleted soil in SwedenAgronomy Journal9996097210.2134/agronj2006.0061Search in Google Scholar

Knicker, H., Gonzalez-Vila, F.J., Polvillo, O., Gonzalez, J.A. and G. Almendros (2005): Fire-induced transformation of C- and N-forms in different organic soil fractions from a Dystric Cambisol under a Mediterranean pine forest (Pinus pinaster). Soil Biology & Biochemistry 37, 701–718.KnickerH.Gonzalez-VilaF.J.PolvilloO.GonzalezJ.A.AlmendrosG.2005Fire-induced transformation of C- and N-forms in different organic soil fractions from a Dystric Cambisol under a Mediterranean pine forest (Pinus pinaster)Soil Biology & Biochemistry3770171810.1016/j.soilbio.2004.09.008Search in Google Scholar

Lair, G.J., Zehetner, F., Hrachowitz, M., Franz, N., Maringer, F.-J. and M.H. Gerzabek (2009): Dating of soil layers in a young floodplain using iron oxide crystallinity. Quaternary Geochronology 4, 260–266.LairG.J.ZehetnerF.HrachowitzM.FranzN.MaringerF.-J.GerzabekM.H.2009Dating of soil layers in a young floodplain using iron oxide crystallinityQuaternary Geochronology426026610.1016/j.quageo.2008.11.003Search in Google Scholar

Lal, R. (2013): Enhancing ecosystem services with no-till. Renewable Agriculture and Food Systems 28, 102–114.LalR.2013Enhancing ecosystem services with no-tillRenewable Agriculture and Food Systems2810211410.1017/S1742170512000452Search in Google Scholar

Lehtinen, T., Gísladóttir, G., Lair, G.J., van Leeuwen, J., Blum, W.E.H., Bloem, J., Steffens, M. and K.V. Ragnarsdóttir (2015): Aggregation and organic matter in subarctic Andosols under different grassland management. Acta Agriculturae Scandinavica, Section B – Soil & Plant Science 65, 246–263.LehtinenT.GísladóttirG.LairG.J.van LeeuwenJ.BlumW.E.H.BloemJ.SteffensM.RagnarsdóttirK.V.2015Aggregation and organic matter in subarctic Andosols under different grassland managementActa Agriculturae Scandinavica, Section B – Soil & Plant Science6524626310.1080/09064710.2014.1001778Search in Google Scholar

Lehtinen, T., Lair, G.J., Mentler, A., Gísladóttir, G., Ragnarsdóttir, K.V. and W.E.H. Blum (2014): Soil aggregate stability in different soil orders quantified by low dispersive ultrasonic energy levels. Soil Science Society of America Journal 78, 713–723.LehtinenT.LairG.J.MentlerA.GísladóttirG.RagnarsdóttirK.V.BlumW.E.H.2014Soil aggregate stability in different soil orders quantified by low dispersive ultrasonic energy levelsSoil Science Society of America Journal7871372310.2136/sssaj2013.02.0073Search in Google Scholar

Leifeld, J. and J. Fuhrer (2010): Organic farming and soil carbon sequestration: What do we really know about the benefits? Ambio 39, 585–599.LeifeldJ.FuhrerJ.2010Organic farming and soil carbon sequestration: What do we really know about the benefits?Ambio3958559910.1007/s13280-010-0082-8Search in Google Scholar

Leifeld, J., Reiser, R. and H.R. Oberholzer (2009): Consequences of conventional versus organic farming on soil carbon: Results from a 27-year field experiment. Agronomy Journal 101, 1204–1218.LeifeldJ.ReiserR.OberholzerH.R.2009Consequences of conventional versus organic farming on soil carbon: Results from a 27-year field experimentAgronomy Journal1011204121810.2134/agronj2009.0002Search in Google Scholar

Mehra, O.P. and M.L. Jackson (1960): Iron oxide removal from soils and clays by dithionite-citrate systems buffered with sodium bicarbonate. Clays and Clay Minerals 7, 317–327.MehraO.P.JacksonM.L.1960Iron oxide removal from soils and clays by dithionite-citrate systems buffered with sodium bicarbonateClays and Clay Minerals731732710.1016/B978-0-08-009235-5.50026-7Search in Google Scholar

Monreal, C.M., Schnitzer, M., Schulten, H.R., Campbell, C.A. and D.W. Anderson (1995): Soil organic structures in macro and microaggregates of a cultivated brown chernozem. Soil Biology & Biochemistry 27, 845–853.MonrealC.M.SchnitzerM.SchultenH.R.CampbellC.A.AndersonD.W.1995Soil organic structures in macro and microaggregates of a cultivated brown chernozemSoil Biology & Biochemistry2784585310.1016/0038-0717(94)00220-USearch in Google Scholar

Mueller, C.W., Brüggemann, N., Pritsch, K., Stoelken, G., Gayler, S., Winkler, J.B. and I. Kögel-Knabler (2009): Initial differentiation of vertical soil organic matter distribution and composition under juvenile beech (Fagus szlvatica L.) trees. Plant and Soil 323, 111–123.MuellerC.W.BrüggemannN.PritschK.StoelkenG.GaylerS.WinklerJ.B.Kögel-KnablerI.2009Initial differentiation of vertical soil organic matter distribution and composition under juvenile beech (Fagus szlvatica L.) treesPlant and Soil32311112310.1007/s11104-009-9932-1Search in Google Scholar

North, P.F. (1976): Towards an absolute measurement of soil structural stability using ultrasound. European Journal of Soil Science 27, 451–459.NorthP.F.1976Towards an absolute measurement of soil structural stability using ultrasoundEuropean Journal of Soil Science2745145910.1111/j.1365-2389.1976.tb02014.xSearch in Google Scholar

Pare, T., Dinel, H., Moulin, A.P. and L. Townley-Smith (1999): Organic matter quality and structural stability of a black chernozemic soil under different manure and tillage practices. Geoderma 91, 311–326.PareT.DinelH.MoulinA.P.Townley-SmithL.1999Organic matter quality and structural stability of a black chernozemic soil under different manure and tillage practicesGeoderma9131132610.1016/S0016-7061(99)00011-7Search in Google Scholar

Poll, C., Thiede, A., Wermbter, N., Sessitsch, A. and E. Kandeler (2003): Micro-scale distribution of microorganisms and microbial enzyme activities in a soil with long-term organic amendments. European Journal of Soil Science 54, 715–724.PollC.ThiedeA.WermbterN.SessitschA.KandelerE.2003Micro-scale distribution of microorganisms and microbial enzyme activities in a soil with long-term organic amendmentsEuropean Journal of Soil Science5471572410.1046/j.1351-0754.2003.0569.xSearch in Google Scholar

Pulleman, M., Jongmans, A., Marinissen, J. and J. Bouma (2003): Effects of organic versus conventional arable farming on soil structure and organic matter dynamics in a marine loam in the Netherlands. Soil Use and Management 19, 157–165.PullemanM.JongmansA.MarinissenJ.BoumaJ.2003Effects of organic versus conventional arable farming on soil structure and organic matter dynamics in a marine loam in the NetherlandsSoil Use and Management1915716510.1079/SUM2003186Search in Google Scholar

Regelink, I.C., Stoof, C.R., Rousseva, S., Weng, L., Lair, G.J., Kram, P., Nikolaidis, N.P., Kercheva, M., Banwart, S. and R.N.J. Comans (2015): Linkages between aggregate formation, porosity and soil chemical properties. Geoderma 247-248, 24–37.RegelinkI.C.StoofC.R.RoussevaS.WengL.LairG.J.KramP.NikolaidisN.P.KerchevaM.BanwartS.ComansR.N.J.2015Linkages between aggregate formation, porosity and soil chemical propertiesGeoderma247-248243710.1016/j.geoderma.2015.01.022Search in Google Scholar

Rousk, J., Bååth, E., Brookes, P.C., Lauber, C.L., Lozupone, C., Caporaso, J.G., Knight, R. and N. Fierer (2010): Soil bacterial and fungal communities across a pH gradient in an arable soil. ISME Journal 4, 1340–1351.RouskJ.BååthE.BrookesP.C.LauberC.L.LozuponeC.CaporasoJ.G.KnightR.FiererN.2010Soil bacterial and fungal communities across a pH gradient in an arable soilISME Journal41340135110.1038/ismej.2010.58Search in Google Scholar

Saccone, L., Gazzé, S.A., Duran, A.L., Leake, J.R., Banwart, S.A., Ragnarsdóttir, K.V., Smits, M.M. and T.J. McMaster (2012): High resolution characterization of ectomycorrhizal fungal-mineral interactions in axenic microcosm experiments. Biogeochemistry 111, 411–425.SacconeL.GazzéS.A.DuranA.L.LeakeJ.R.BanwartS.A.RagnarsdóttirK.V.SmitsM.M.McMasterT.J.2012High resolution characterization of ectomycorrhizal fungal-mineral interactions in axenic microcosm experimentsBiogeochemistry11141142510.1007/s10533-011-9667-ySearch in Google Scholar

Schmidt, M.W.I., Knicker, H., Hatcher, P.G. and I. Kögel- Knabner (1997): Improvement of ¹³C and ¹⁵N CPMAS NMR spectra of bulk soils, particle size fractions and organic material by treatment with 10 % hydrofluoric acid. European Journal of Soil Science 48, 319–328.SchmidtM.W.I.KnickerH.HatcherP.G.Kögel-KnabnerI.1997Improvement of ¹³C and ¹⁵N CPMAS NMR spectra of bulk soils, particle size fractions and organic material by treatment with 10 % hydrofluoric acidEuropean Journal of Soil Science4831932810.1111/j.1365-2389.1997.tb00552.xSearch in Google Scholar

Schwertmann, U. (1964): Differenzierung der Eisenoxide des Bodens durch Extraktion mit Ammoniumoxalat-Lösung. Zeitschrift für Pflanzenernährung, Düngung, Bodenkunde 105, 194–202.SchwertmannU.1964Differenzierung der Eisenoxide des Bodens durch Extraktion mit Ammoniumoxalat-LösungZeitschrift für Pflanzenernährung, Düngung, Bodenkunde10519420210.1002/jpln.3591050303Search in Google Scholar

Siegrist, S., Schaub, D., Pfiffner, L. and P. Mäder (1998): Does organic agriculture reduce soil erodability? The results of a long-term field study on loess in Switzerland. Agriculture, Ecosystems & Environment 69, 253–264.SiegristS.SchaubD.PfiffnerL.MäderP.1998Does organic agriculture reduce soil erodability? The results of a long-term field study on loess in SwitzerlandAgriculture, Ecosystems & Environment6925326410.1016/S0167-8809(98)00113-3Search in Google Scholar

Simonsson, M., Kirchmann, H., Magid, J. and T. Kätterer (2014): Can particulate organic matter reveal emerging changes in soil organic carbon? Soil Science Society of America Journal 78, 1279–1290.SimonssonM.KirchmannH.MagidJ.KättererT.2014Can particulate organic matter reveal emerging changes in soil organic carbon?Soil Science Society of America Journal781279129010.2136/sssaj2013.12.0533Search in Google Scholar

Six, J., Bossuyt, H., Degryze, S. and K. Denef (2004): A history of research on the link between (micro)aggregates, soil biota, and soil organic matter dynamics. Soil & Tillage Research 79, 7–31.SixJ.BossuytH.DegryzeS.DenefK.2004A history of research on the link between (micro)aggregates, soil biota, and soil organic matter dynamicsSoil & Tillage Research7973110.1016/j.still.2004.03.008Search in Google Scholar

Six, J., Callewaert, P., Lenders, S., De Gryze, S., Morris, S.J., Gregorich, E.G., Paul, E.A. and K. Paustian (2002): Measuring and understanding carbon storage in afforested soils by physical fractionation. Soil Science Society of America Journal 66, 1981–1987.SixJ.CallewaertP.LendersS.De GryzeS.MorrisS.J.GregorichE.G.PaulE.A.PaustianK.2002Measuring and understanding carbon storage in afforested soils by physical fractionationSoil Science Society of America Journal661981198710.2136/sssaj2002.1981Search in Google Scholar

Six, J., Elliott, E.T. and K. Paustian (2000): Soil macroaggregate turnover and microaggregate formation: a mechanism for C sequestration under no-tillage agriculture. Soil Biology & Biochemistry 32, 2099–2103.SixJ.ElliottE.T.PaustianK.2000Soil macroaggregate turnover and microaggregate formation: a mechanism for C sequestration under no-tillage agricultureSoil Biology & Biochemistry322099210310.1016/S0038-0717(00)00179-6Search in Google Scholar

Soil Survey Staff (2004): Soil survey laboratory methods manual. Soil Survey Investigations Rep. 42. USDA – NRCS, Washington, DC, USA.Soil Survey Staff2004Soil survey laboratory methods manualSoil Survey Investigations Rep. 42USDA – NRCS, Washington, DC, USASearch in Google Scholar

Spiegel, H., Dersch, G., Baumgarten, A. and J. Hösch (2010): The international organic nitrogen long-term fertilization experiment (IOSDV) at Vienna after 21 years. Archives of Agronomy and Soil Science 56, 405–420.SpiegelH.DerschG.BaumgartenA.HöschJ.2010The international organic nitrogen long-term fertilization experiment (IOSDV) at Vienna after 21 yearsArchives of Agronomy and Soil Science5640542010.1080/03650341003645624Search in Google Scholar

Steffens, M., Kölbl, A. and I. Kögel-Knabler (2009): Alteration of soil organic matter pools and aggregation in semi-arid steppe topsoil’s as driven by organic matter input. European Journal of Soil Science 60, 198–212.SteffensM.KölblA.Kögel-KnablerI.2009Alteration of soil organic matter pools and aggregation in semi-arid steppe topsoil’s as driven by organic matter inputEuropean Journal of Soil Science6019821210.1111/j.1365-2389.2008.01104.xSearch in Google Scholar

Surböck, A., Friedel, J.K., Heinzinger, M. and B. Freyer (2006): Long-term monitoring of different management systems within organic farming and their effects on arable land and landscape. Phase I: Monitoring of the conversion to organic farming. In: Raupp, J., Pekrun, C., Oltmanns, M. and U. Köpke (Eds.): Long-term field experiments in organic farming. ISOFAR Scientific Series, Verlag Dr. H. J. Köster, Berlin, Germany, pp. 183–198.SurböckA.FriedelJ.K.HeinzingerM.FreyerB.2006Long-term monitoring of different management systems within organic farming and their effects on arable land and landscapePhase I: Monitoring of the conversion to organic farmingRauppJ.PekrunC.OltmannsM.KöpkeU.Long-term field experiments in organic farmingISOFAR Scientific Series, Verlag Dr. H. J. KösterBerlin, Germany183198Search in Google Scholar

Tabatabai, M.A. and J.M. Bremner (1991): Automated instruments for determination of total carbon, nitrogen, and sulfur in soils by combustion techniques. In: Smith, K.A. (Ed.): Soil Analysis. Marcel Dekker, New York, USA, pp. 261–286.TabatabaiM.A.BremnerJ.M.1991Automated instruments for determination of total carbon, nitrogen, and sulfur in soils by combustion techniquesSmithK.A.Soil AnalysisMarcel DekkerNew York, USA261286Search in Google Scholar

Tisdall, J.M. and J.M. Oades (1982): Organic matter and water-stable aggregates in soils. European Journal of Soil Science 33, 141–163.TisdallJ.M.OadesJ.M.1982Organic matter and water-stable aggregates in soilsEuropean Journal of Soil Science3314116310.1111/j.1365-2389.1982.tb01755.xSearch in Google Scholar

van Leeuwen, J.P., Lehtinen, T., Lair, G.J., Bloem, J., Hemerik, L., Ragnarsdóttir, K.V. Gísladóttir, G., Newton, J.S. and P.C. de Ruiter (2015): An ecosystem approach to assess soil quality in organically and conventionally managed farms in Iceland and Austria. SOIL 1, 83–101.van LeeuwenJ.P.LehtinenT.LairG.J.BloemJ.HemerikL.RagnarsdóttirK.V.GísladóttirG.NewtonJ.S.de RuiterP.C.2015An ecosystem approach to assess soil quality in organically and conventionally managed farms in Iceland and AustriaSOIL18310110.5194/soil-1-83-2015Search in Google Scholar

West, T.O. and W.M. Post (2002): Soil organic carbon sequestration rates by tillage and crop rotation: A Global Data Analysis. Soil Science Society of America Journal 66, 1930–1946.WestT.O.PostW.M.2002Soil organic carbon sequestration rates by tillage and crop rotation: A Global Data AnalysisSoil Science Society of America Journal661930194610.2136/sssaj2002.1930Search in Google Scholar