Search Results - "Stein, Mathias"

Comparing amorphous silica, short-range-ordered silicates and silicic acid species by FTIR by Ellerbrock, Ruth, Stein, Mathias, Schaller, Jörg

“…There is increased interest in the terrestrial silicon cycle in the last decades as its different compounds and species have large implications for ecosystem…”
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Distribution of Al, Fe, Si, and DOC between size fractions mobilised from topsoil horizons with progressing degree of podzolisation by Krettek, Agnes, Stein, Mathias, Rennert, Thilo

“…Aluminium, Fe, Si, and dissolved organic C (DOC) accumulate in the subsoil of Podzols after mobilisation in the topsoil. We conducted laboratory experiments…”
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Synergistic effects of organic carbon and silica in preserving structural stability of drying soils by Barbosa, Luis Alfredo Pires, Stein, Mathias, Gerke, Horst H., Schaller, Jörg

“…Predicted climate warming and prolonged droughts pose a threat to the soil structure as organic carbon losses weaken the stability of soil aggregates…”
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Silicon as a potential limiting factor for phosphorus availability in paddy soils by Schaller, Jörg, Wu, Bei, Amelung, Wulf, Hu, Zhengyi, Stein, Mathias, Lehndorff, Eva, Obst, Martin

“…Rice cultivation requires high amounts of phosphorus (P). However, significant amounts of P fertilizer additions may be retained by iron (Fe) oxides and are…”
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Comparing silicon mineral species of different crystallinity using Fourier transform infrared spectroscopy by Ellerbrock, Ruth H., Stein, Mathias, Schaller, Jörg

“…In soils, various solid silica (Si) species exhibit different weathering behaviors and surface reactivities, which are among other characteristics related to…”
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Silica Accumulation in Potato ( Solanum tuberosum L.) Plants and Implications for Potato Yield Performance-Results from Field Experiments in Northeast Germany by Puppe, Daniel, Busse, Jacqueline, Stein, Mathias, Kaczorek, Danuta, Buhtz, Christian, Schaller, Jörg

“…The potato is the most important non-cereal food crop, and thus improving potato growth and yield is the focus of agricultural researchers and practitioners…”
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Silicon effects on soil phosphorus availability: results obtained depend on the method used by Uhuegbue, Peter Onyisi, Stein, Mathias, Kalbitz, Karsten, Schaller, Jörg

“…Phosphorus limitation occurs in many soils as a significant amount of soil P is retained in forms inaccessible to plants, such as bound to iron (Fe) minerals…”
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Silicon in Plants: Alleviation of Metal(loid) Toxicity and Consequential Perspectives for Phytoremediation by Puppe, Daniel, Kaczorek, Danuta, Stein, Mathias, Schaller, Jörg

“…For the majority of higher plants, silicon (Si) is considered a beneficial element because of the various favorable effects of Si accumulation in plants that…”
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Local sediment amendment can potentially increase barley yield and reduce the need for phosphorus fertilizer on acidic soils in Kenya by Scherwietes, Eric, Stein, Mathias, Six, Johan, Bawen, Titus Kiplagat, Schaller, Jörg

“…Soil acidification and low nutrient availability are two major challenges facing agriculture in most regions of East Africa, resulting in aluminum toxicity and…”
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Microwave plasma atomic emission spectroscopy (MP-AES)—A useful tool for the determination of silicon contents in plant samples? by Puppe, Daniel, Buhtz, Christian, Kaczorek, Danuta, Schaller, Jörg, Stein, Mathias

“…The accurate quantification of silicon (Si) contents in plant materials represents a fundamental prerequisite for agricultural plant-soil system or terrestrial…”
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Silicon extraction from x-ray amorphous soil constituents: a method comparison of alkaline extracting agents by Stein, Mathias, Puppe, Daniel, Kaczorek, Danuta, Buhtz, Christian, Schaller, Jörg

“…The growing interest in amorphous silica (ASi) within the fields of soil science and ecology underscores the necessity for a reliable protocol to estimate ASi…”
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Does silica addition affect translocation and leaching of cadmium and copper in soil? by Stein, Mathias, Georgiadis, Anna, Ingwersen, Joachim, Rennert, Thilo

“…Soil and groundwater contamination with potentially toxic elements (PTEs) including cadmium (Cd) and copper (Cu) has become a serious problem for ecosystem…”
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Formation and properties of inorganic Si-contaminant compounds by Stein, Mathias, Georgiadis, Anna, Gudat, Dietrich, Rennert, Thilo

“…Soil contamination with inorganic contaminants such as lead (Pb), copper (Cu) and cadmium (Cd) is a major environmental issue. Silicon (Si) may reduce the…”
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Reduced CO2 Release from Arctic Soils Due to CO2 Binding to Calcium Forming Aragonite by Stimmler, Peter, Obst, Martin, Lehmann, Johannes, Stein, Mathias, Hockmann, Kerstin, Goeckede, Mathias, Schaller, Joerg

“…Arctic soils are the largest pool of organic carbon compared with other soils globally and serve as a main source for greenhouse gases, especially in the…”
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Reduced CO 2 Release from Arctic Soils Due to CO 2 Binding to Calcium Forming Aragonite by Stimmler, Peter, Obst, Martin, Lehmann, Johannes, Stein, Mathias, Hockmann, Kerstin, Goeckede, Mathias, Schaller, Joerg

“…Arctic soils are the largest pool of organic carbon compared with other soils globally and serve as a main source for greenhouse gases, especially in the…”
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Silicon and calcium controls on iron and aluminum mobility in Arctic soils by Stimmler, Peter, Obst, Martin, Stein, Mathias, Goeckede, Mathias, Hockmann, Kerstin, Schaller, Joerg

“…Arctic permafrost soils store large amounts of organic carbon and nutrients. With deepening of the perennial thawing upper active layer due to rising…”
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Does Adsorption of Cd, Cu and Pb on Polymeric Silicic Acid Occur Under Acidic Conditions? by Stein, Mathias, Buchweitz, Maria, Mayer, Pia, Rennert, Thilo

“…Contamination with Cd, Cu and Pb is a major environmental issue. Cations of those metals may adsorb on negatively charged surfaces of polymeric silicic acid…”
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Silicon Incorporation Reduces the Reactivity of Short-range Ordered Aluminosilicates Toward Organic Acids by Lenhardt, Katharina R., Stein, Mathias, Rennert, Thilo

“…The structure and composition of short-range ordered aluminosilicates (SROAS) may control their affinity for organic acids with potential effects on soil…”
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Semiautomatic assessment of endothelial density and morphology in organ-cultured corneas — potential predictors for transplantation suitability and clinical outcome? by Filev, Filip, Stein, Mathias, Schultheiss, Maximilian, Fitzek, Antonia D. E., Feuerstake, Jana, Engel, Oliver, Hellwinkel, Olaf J. C.

“…Background The quality of the endothelial cell layer is a major criterion for the approval of organ-cultured human donor-corneas for transplantation. We wanted…”
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Entwicklung einer Methodik zur Verbesserung der strukturellen Interaktion im Pkw-Pkw-Frontalaufprall by Stein, Mathias

“…Obwohl das Risiko im Pkw tödlich zu verunglücken in Bezug zu anderen Straßenverkehrsteilnehmern gering ist, entfallen rund 50% aller im Straßenverkehr…”
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