Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 26 checked references that resolve
resolves10.1016/S0038-0717(03)00005-1Cyanobacterial inoculation of heated soils: effect on microorganisms of C and N cycles and on chemical composition in soil surface
resolves10.1007/s00374-002-0542-9Influence of agricultural land management on organic matter content, microbial activity and aggregate stability in the profiles of two Oxisols
resolves10.1071/SR9940389Microbiotic soil crusts - a review of their roles in soil and ecological processes in the rangelands of Australia
resolves10.1007/BF00335965Effect of Nostoc (Cyanobacteria) inoculation on the structure and stability of clay soils
resolves10.1016/S0038-0717(01)00160-2Soil organic matter content and quality: effects of fertilizer applications, burning and trash retention on a long-term sugarcane experiment in South Africa
resolves10.2307/2390048Taxonomic Composition and Photosynthetic Characteristics of the `Biological Soil Crusts' Covering Sand Dunes in the Western Negev Desert
resolves10.1007/s11104-006-9153-9Effects of the inoculation of cyanobacteria on the microstructure and the structural stability of a tropical soil
resolves10.1080/00103620500253514Mineralogy and Fertility Status of Selected Soils of the Eastern Cape Province, South Africa
resolves10.1016/j.geoderma.2006.10.007Effect of indigenous cyanobacterial application on structural stability and productivity of an organically poor semi-arid soil
resolves10.1007/BF00336233The effect of surface growth of blue-green algae and bryophytes on some microbiological, biochemical, and physical soil properties
resolves10.1111/j.1365-2389.1982.tb01776.xRelationship between the decreases in soil stability effected by the growth of maize roots and changes in organically bound iron and aluminium
resolves10.1007/BF00647668Changes in aggregate stability, nutrient status, indigenous microbial populations, and seedling emergence, following inoculation of soil withNostoc muscorum
resolves10.1080/15324988709381128Research note—Nitrogen fixation by cyanobacterial crusts and by associative‐symbiotic bacteria in Western Kalahari, Botswana
The 13 references without a DOI — listed, not checked
no DOI — not checkedBaldock JA, Nelson PN (2000) Soil organic matter. In: Sumner NE (ed) Handbook of soil science. CRC Press LLC, Washington, DC, pp pp 25–84
no DOI — not checkedBelnap J, Gardner JS (1993) Soil microstructure in soils of the Colorado Plateau: the role of the cyanobacterium Microcoleus vaginatus. Great Basin Nat 53(1):40–47
no DOI — not checkedButtars SM, Johansen JR, Webb BL, Pendleton BK, Warren SD (1998) Pelletized cyanobacterial soil amendments: laboratory testing for survival, escapability, and nitrogen fixation. Arid Soil Res Rehab 12:165–178
no DOI — not checkedDe Winder B (1990) Ecophysiological strategies of drought-tolerant phototrophic micro-organisms in dune soils. PhD thesis, University of Amsterdam, The Netherlands, pp 94
no DOI — not checkedDubois M, Gilles KA, Hamilton JK, Rebers PA, Smith F (1956) Colorimetric methods for determination of sugars and related substances. Am Chem Soc 23:351–359
no DOI — not checkedGenstat Release 4.24DE (2005) Lawes Agricultural Trust (Rothamsted Experimental Station), UK
no DOI — not checkedHarper KT, Pendleton RL (1993) Cyanobacteria and cyanolichens: can they enhance availability of essential minerals for higher plants? Great Basin Nat 53:59–72
no DOI — not checkedHorn R, Baumgart l T (2000) Dynamic properties of soil. In: Sumner ME (ed) Handbook of soil science. CRC Press LLC, USA, pp A19–A46
no DOI — not checkedLECO Corporation 2003 Truspec C/N determinator. Instruction Manual. LECO Corporation, 3000 Lakeview Avenue, St Joseph, MI49085, USA.
no DOI — not checkedMills AJ, Fey MV (2003) Declining soil quality in South Africa: effects on land use on soil organic matter and surface crusting. S Afr J Sci 99:429–436
no DOI — not checkedOkalebo JR, Gathua KW, Woomer PL (2002) Laboratory methods of soil and plant analysis: a working manual. TSBF Program UNESCO–ROSTA Soil Science Society of East Africa Technical Publication no. 1. Marvel EPZ Ltd.; Nairobi, Kenya, pp 39–41
no DOI — not checkedOldeman LR (1994) The global extent of soil degradation. In: Greenland DJ, Szabolcs I (eds) Soil resilience and sustainable land use. CAB International, Wallingford, pp 99–118
no DOI — not checkedSoil Survey Staff (1975) Soil taxonomy—a basic system of soil classification for making and interpreting soil surveys. Handbook no. 436: U.S. Govt. Printing Office.. US Department of Agriculture, Washington
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