# | Title | Journal | Year | Citations |
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1 | Ameliorating physical and chemical properties of highly weathered soils in the tropics with charcoal - a review | Biology and Fertility of Soils | 2002 | 2,090 |
2 | (null) | Plant and Soil | 2003 | 1,453 |
3 | Long term effects of manure, charcoal and mineral fertilization on crop production and fertility on a highly weathered Central Amazonian upland soil | Plant and Soil | 2007 | 998 |
4 | The role of DOM sorption to mineral surfaces in the preservation of organic matter in soils | Organic Geochemistry | 2000 | 834 |
5 | The 'Terra Preta' phenomenon: a model for sustainable agriculture in the humid tropics | Die Naturwissenschaften | 2001 | 818 |
6 | Nitrogen retention and plant uptake on a highly weathered central Amazonian Ferralsol amended with compost and charcoal | Journal of Plant Nutrition and Soil Science | 2008 | 512 |
7 | Black carbon in soils: the use of benzenecarboxylic acids as specific markers | Organic Geochemistry | 1998 | 422 |
8 | Land-use effects on the composition of organic matter in particle-size separates of soil: I. Lignin and carbohydrate signature | European Journal of Soil Science | 1994 | 414 |
9 | Changes in properties of soil-derived dissolved organic matter induced by biodegradation | Soil Biology and Biochemistry | 2003 | 353 |
10 | Prehistorically modified soils of central Amazonia: a model for sustainable agriculture in the twenty-first century | Philosophical Transactions of the Royal Society B: Biological Sciences | 2007 | 330 |
11 | Morphological and chemical properties of black carbon in physical soil fractions as revealed by scanning electron microscopy and energy-dispersive X-ray spectroscopy | Geoderma | 2005 | 304 |
12 | Sources and composition of soil organic matter fractions between and within soil aggregates | European Journal of Soil Science | 2001 | 277 |
13 | Growth variations of Common beech (Fagus sylvatica L.) under different climatic and environmental conditions in Europe—a dendroecological study | Forest Ecology and Management | 2003 | 276 |
14 | Amino sugars and muramic acid—biomarkers for soil microbial community structure analysis | Soil Biology and Biochemistry | 2004 | 271 |
15 | Revised black carbon assessment using benzene polycarboxylic acids | Organic Geochemistry | 2005 | 267 |
16 | Charcoal and smoke extract stimulate the soil microbial community in a highly weathered xanthic Ferralsol | Pedobiologia | 2008 | 257 |
17 | (null) | Biogeochemistry | 2001 | 209 |
18 | Land-use effects on the composition of organic matter in particle-size separates of soils: II. CPMAS and solution 13C NMR analysis | European Journal of Soil Science | 1995 | 186 |
19 | Land use effects on soil organic matter properties of chromic luvisols in semi-arid northern Tanzania: carbon, nitrogen, lignin and carbohydrates | Agriculture, Ecosystems and Environment | 2000 | 186 |
20 | Estimation of the hydrophobic fraction of dissolved organic matter in water samples using UV photometry | Water Research | 2002 | 182 |
21 | Competitive Sorption of Dissolved Organic Matter Fractions to Soils and Related Mineral Phases | Soil Science Society of America Journal | 1997 | 179 |
22 | Composition and dynamics of dissolved carbohydrates and lignin-degradation products in two coniferous forests, N.E. Bavaria, Germany | Soil Biology and Biochemistry | 1994 | 173 |
23 | Pesticides in Surface Water, Sediment, and Rainfall of the Northeastern Pantanal Basin, Brazil | Journal of Environmental Quality | 2002 | 172 |
24 | Availability of Polycyclic Aromatic Hydrocarbons (PAHs) and Polychlorinated Biphenyls (PCBs) to Earthworms in Urban Soils | Environmental Science & Technology | 2000 | 170 |
25 | Losses of carbon and nitrogen with prolonged arable cropping from sandy soils of the South African Highveld | European Journal of Soil Science | 2001 | 156 |
26 | Soil aggregation, and total and particulate organic matter following conversion of native forests to continuous cultivation in Ethiopia | Soil and Tillage Research | 2007 | 153 |
27 | Determination of neutral and acidic sugars in soil by capillary gas-liquid chromatography after trifluoroacetic acid hydrolysis | Soil Biology and Biochemistry | 1996 | 147 |
28 | Dissolved organic matter sorption by mineral constituents of subsoil clay fractions | Journal of Plant Nutrition and Soil Science | 2000 | 145 |
29 | Polycyclic aromatic hydrocarbons and polychlorinated biphenyls in forest soils: depth distribution as indicator of different fate | Environmental Pollution | 2000 | 145 |
30 | Nature of soil organic phosphorus: an assessment of peak assignments in the diester region of 31P NMR spectra | Soil Biology and Biochemistry | 2002 | 141 |
31 | Pyrogenic carbon in native grassland soils along a climosequence in North America | Global Biogeochemical Cycles | 2003 | 139 |
32 | Determination of amino acid enantiomers in soils | Soil Biology and Biochemistry | 2001 | 138 |
33 | Dissolved organic carbon control in acid forest soils of the Fichtelgebirge (Germany) as revealed by distribution patterns and structural composition analyses | Geoderma | 1993 | 137 |
34 | Tree root characteristics as criteria for species selection and systems design in agroforestry | Agroforestry Systems | 1995 | 133 |
35 | Black carbon contribution to stable humus in German arable soils | Geoderma | 2007 | 133 |
36 | Soil Dissolved Organic Matter Sorption as Influenced by Organic and Sesquioxide Coatings and Sorbed Sulfate | Soil Science Society of America Journal | 1998 | 130 |
37 | Compound-specific stable-isotope (δ13C) analysis in soil science | Journal of Plant Nutrition and Soil Science | 2005 | 129 |
38 | Lignin and carbohydrate alteration in particle-size separates of an oxisol under tropical pastures following native savanna | Soil Biology and Biochemistry | 1995 | 128 |
39 | Sorption of dissolved organic carbon in soils: effects of soil sample storage, soil-to-solution ratio, and temperature | Geoderma | 2001 | 123 |
40 | Polycyclic aromatic hydrocarbons and polychlorinated biphenyls in urban soils from Kathmandu, Nepal | Organic Geochemistry | 2007 | 123 |
41 | The composition of dissolved organic matter in forest soil solutions: changes induced by seasons and passage through the mineral soil | Organic Geochemistry | 2002 | 120 |
42 | Nutrient storage and turnover in organic layers under tropical montane rain forest in Ecuador | European Journal of Soil Science | 2002 | 120 |
43 | Release of Natural Organic Matter Sorbed to Oxides and a Subsoil | Soil Science Society of America Journal | 1999 | 119 |
44 | Changes in dissolved lignin-derived phenols, neutral sugars, uronic acids, and amino sugars with depth in forested Haplic Arenosols and Rendzic Leptosols | Biogeochemistry | 2004 | 119 |
45 | Sorption of dissolved organic nitrogen by acid subsoil horizons and individual mineral phases | European Journal of Soil Science | 2000 | 117 |
46 | Sequential extractions and 31 P-NMR spectroscopy of phosphorus forms in animal manures, whole soils and particle-size separates from a densely populated livestock area in northwest Germany | Biology and Fertility of Soils | 1997 | 114 |
47 | Pleistocene glaciations of Central Asia: results from 10Be surface exposure ages of erratic boulders from the Pamir (Tajikistan), and the Alay–Turkestan range (Kyrgyzstan) | Quaternary Science Reviews | 2006 | 113 |
48 | Land-use effects on amino sugars in particle size fractions of an Argiudoll | Applied Soil Ecology | 1999 | 111 |
49 | PAH-pools in soils along a PAH-deposition gradient | Environmental Pollution | 1996 | 109 |
50 | Polychlorinated naphthalenes in urban soils: analysis, concentrations, and relation to other persistent organic pollutants | Environmental Pollution | 2003 | 108 |