Reference health
Cation exchange capacities of soil organic matter fractions in a Ferric Lixisol with different organic matter inputs
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13/13 checkable references clean · checked 2026-07-25
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.
9 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 13 checked references that resolve
resolves10.1097/00010694-199711000-00003
A COMPARISON OF THE CONTRIBUTIONS OF CLAY, SILT, AND ORGANIC MATTER TO THE EFFECTIVE CEC OF SOILS OF SUBSAHARAN AFRICA.
resolves10.2136/sssaj1975.03615995003900030051x
Clay Mineralogy of Selected Soils in Southern Nigeria
resolves10.2136/sssaj1976.03615995004000040039x
Surface and Charge Characteristics of Selected Soils in the Tropics
resolves10.1016/S0031-4056(23)00275-5
The chemical analysis of small samples of leaf material and the relationship between the disappearance and composition of leaves
resolves10.1111/j.1365-2389.1993.tb00438.x
Cation exchange capacities of organo‐mineral particle‐size fractions in soils from long‐term experiments
resolves10.2136/sssaj1976.03615995004000040022x
The Effect of pH, Salt Concentration, and Nature of Electrolytes on the Charge Characteristics of Brazilian Tropical Soils
resolves10.1023/A:1006361229778
Charge characteristics of soil organic matter fractions in a Ferric Lixisol under some multipurpose trees
resolves10.1097/00010694-198004000-00002
A SINGLE-EXTRACTION METHOD USING SILVER-THIOUREA FOR MEASURING EXCHANGEABLE CATIONS AND EFFECTIVE CEC IN SOILS WITH VARIABLE CHARGES
resolves10.1097/00010694-198910000-00003
CONTRIBUTION OF ORGANIC MATTER TO CATION EXCHANGE CAPACITY AND SPECIFIC SURFACE AREA OF FRACTIONATED SOIL MATERIALS
resolves10.1016/0038-0717(92)90035-V
Biological effects of plant residues with contrasting chemical compositions under humid tropical conditions—Decomposition and nutrient release
resolves10.1007/BF00011437
Impact of residue quality on the C and N mineralization of leaf and root residues of three agroforestry species
The 9 references without a DOI — listed, not checked
no DOI — not checkedPhysical fractionation of soil and organic matter in primary particle size and density separates
no DOI — not checkedDuxbury, J.M., Smith, M.S., Doran, J.W., Jordan, C., Szott, L., Vance, E., 1989. Soil organic matter as a source and a sink of plant nutrients. In: Coleman, D.C., Oades, J.M., Uehara, G. (Eds.), Dynamics of Soil Organic Matter in Tropical Ecosystems. University of Hawaii Press, Honolulu, HI, pp. 33–67.
no DOI — not checkedPerformance of selected woody agroforestry species grown on an Alfisol and an Ultisol in the humid lowland of West Africa, and their effects on soil properties
no DOI — not checkedOades, J.M., Gillman, G.P., Uehara, G., Hue, N.V., van Noordwijk, M., Robertson, G.P., Wada, K., 1989. Interactions of soil organic matter and variable-charge clays. In: Coleman, D.C., Oades, J.M., Uehara, G. (Eds.), Dynamics of Soil Organic Matter in Tropical Ecosystems. University of Hawaii Press, Honolulu, HI, pp. 69–95.
no DOI — not checkedSAS, 1985. SAS User’s Guide: Statistics, 5th ed. SAS Institute, Cary, NC.
no DOI — not checkedVan Dijk, H., 1971. Colloid chemical properties of humic matter. In: McLaren, A.D., Skujins, J. (Eds.), Soil Biochemistry, vol. 2. Marcel Dekker, New York, pp. 16–35.
no DOI — not checkedUse of detergents in the analysis of fibrous feeds. II. A rapid method for determination of fiber and lignin
no DOI — not checkedUse of detergents in the analysis of fibrous feeds. IV. Determination of plant cell wall constituents
no DOI — not checkedWeaver, C.E., Pollard, L.D., 1973. The chemistry of clay minerals. Developments in Sedimentology, vol. 15. Elsevier, New York, 213 pp.
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