Mathias Stein
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View article: Phosphorus and aluminium mobilisation in ferralsols: effects of local sediment amendments, liming and straw application in a lab study
Phosphorus and aluminium mobilisation in ferralsols: effects of local sediment amendments, liming and straw application in a lab study Open
Phosphorus (P) activation is a major challenge for agriculture on tropical soils like Ferralsols in East Africa, mainly due to soil acidity and high mobility of aluminium (Al). Strategies such as local sediment amendments and liming have s…
View article: The importance of reactive silica for maintaining soil health
The importance of reactive silica for maintaining soil health Open
Background and aim Soil health is vital for the sustainability of ecosystem services such as food and fiber production, nutrient cycling and water supply. Soil health can be assessed through a combination of physical, biological and chemic…
View article: Amorphous silica reduces N2O emissions from arable land at the field plot scale
Amorphous silica reduces N2O emissions from arable land at the field plot scale Open
Introduction Increasing greenhouse gas emissions pose a strong threat due to accelerating global warming. N 2 O emissions are highly important in this regard as N 2 O is a very powerful greenhouse gas. Agriculture is the main human-induced…
View article: Soil nutrient transect from Ngorongoro crater to the centre of Serengeti
Soil nutrient transect from Ngorongoro crater to the centre of Serengeti Open
The Serengeti National Park and the Ngorongoro National Park are well-known for their migratory herds of large herbivores. These migrations are suggested to be due to different nutritional needs of the large herbivores over the year. The n…
View article: Anatomical and Trait Analyses Reveal a Silicon‐Carbon Trade‐Off in the Epidermis of Sedges
Anatomical and Trait Analyses Reveal a Silicon‐Carbon Trade‐Off in the Epidermis of Sedges Open
In recent years, the detection of numerous negative correlations between silicon (Si) and carbon (C)‐based compounds in plants has suggested trade‐offs between different stress resistance and/or mechanical support strategies. However, near…
View article: Comparing silicon mineral species of different crystallinity using Fourier transform infrared spectroscopy
Comparing silicon mineral species of different crystallinity using Fourier transform infrared spectroscopy Open
In soils, various solid silica (Si) species exhibit different weathering behaviors and surface reactivities, which are among other characteristics related to the crystallinity of the silicate tetrahedral network. Amorphous species exhibit …
View article: Silica Accumulation in Potato (Solanum tuberosum L.) Plants and Implications for Potato Yield Performance—Results from Field Experiments in Northeast Germany
Silica Accumulation in Potato (Solanum tuberosum L.) Plants and Implications for Potato Yield Performance—Results from Field Experiments in Northeast Germany Open
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 worldwide. Several studies reported beneficial effects of silicon (Si) fertilizati…
View article: Local sediment amendment can potentially increase barley yield and reduce the need for phosphorus fertilizer on acidic soils in Kenya
Local sediment amendment can potentially increase barley yield and reduce the need for phosphorus fertilizer on acidic soils in Kenya Open
Soil acidification and low nutrient availability are two major challenges facing agriculture in most regions of East Africa, resulting in aluminum toxicity and poor crop yields. The amendment of local sediments to cropland can potentially …
View article: Amorphous silica reduces N2O emissions from arable land at the field plot scale
Amorphous silica reduces N2O emissions from arable land at the field plot scale Open
Increasing greenhouse gas emissions pose a strong threat due to accelerating global warming. N2O emissions are highly important in this regard as N2O is a very powerful greenhouse gas. Agriculture is the main human-induced source for N2O e…
View article: Silica Accumulation in Potato (<em>Solanum tuberosum </em>L.) Plants and Implications for Potato Yield Performance – Results from Field Experiments in Ne Germany
Silica Accumulation in Potato (<em>Solanum tuberosum </em>L.) Plants and Implications for Potato Yield Performance – Results from Field Experiments in Ne Germany Open
The potato is the most important non-cereal food crop, and thus improving potato growth and yield is in the focus of agricultural researchers and practitioners worldwide. Several studies reported beneficial effects of silicon (Si) fertiliz…
View article: Silicon effects on soil phosphorus availability: results obtained depend on the method used
Silicon effects on soil phosphorus availability: results obtained depend on the method used Open
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. Prior studies have shown that silicon (Si) can mobilize P from the binding sites…
View article: Silicon extraction from x-ray amorphous soil constituents: a method comparison of alkaline extracting agents
Silicon extraction from x-ray amorphous soil constituents: a method comparison of alkaline extracting agents Open
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 contents in soil. Alkaline wet chemical extraction methods are commonly employed…
View article: Microwave plasma atomic emission spectroscopy (MP-AES)—A useful tool for the determination of silicon contents in plant samples?
Microwave plasma atomic emission spectroscopy (MP-AES)—A useful tool for the determination of silicon contents in plant samples? Open
The accurate quantification of silicon (Si) contents in plant materials represents a fundamental prerequisite for agricultural plant-soil system or terrestrial ecosystem studies. Si contents in plants are usually calculated from Si concent…
View article: Silicon Incorporation Reduces the Reactivity of Short-range Ordered Aluminosilicates Toward Organic Acids
Silicon Incorporation Reduces the Reactivity of Short-range Ordered Aluminosilicates Toward Organic Acids Open
The structure and composition of short-range ordered aluminosilicates (SROAS) may control their affinity for organic acids with potential effects on soil organic matter stabilization. Adsorption mechanisms of model organic acids were studi…
View article: Silicon in Plants: Alleviation of Metal(loid) Toxicity and Consequential Perspectives for Phytoremediation
Silicon in Plants: Alleviation of Metal(loid) Toxicity and Consequential Perspectives for Phytoremediation Open
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 have been revealed, including the alleviation of metal(loid) toxicity. The accumu…
View article: In-situ effect of Si fertilization on Soil-plant-water relation for different soil erosion states
In-situ effect of Si fertilization on Soil-plant-water relation for different soil erosion states Open
Crop production is affected by drought duration and severity, which become more frequent with climate change. Several studies reported the positive effect of Silicate (Si) fertilization on soil and plant water balance. However, the relatio…
View article: Distribution of Al, Fe, Si, and DOC between size fractions mobilised from topsoil horizons with progressing degree of podzolisation
Distribution of Al, Fe, Si, and DOC between size fractions mobilised from topsoil horizons with progressing degree of podzolisation Open
Aluminium, Fe, Si, and dissolved organic C (DOC) accumulate in the subsoil of Podzols after mobilisation in the topsoil. We conducted laboratory experiments with topsoil horizons with progressing degree of podzolisation by irrigation with …
View article: Comparing amorphous silica, short-range-ordered silicates and silicic acid species by FTIR
Comparing amorphous silica, short-range-ordered silicates and silicic acid species by FTIR Open
There is increased interest in the terrestrial silicon cycle in the last decades as its different compounds and species have large implications for ecosystem performance in terms of soil nutrient and water availability, ecosystem productiv…
View article: Formation and properties of inorganic Si-contaminant compounds
Formation and properties of inorganic Si-contaminant compounds Open
<p>Soil contamination with inorganic contaminants such as lead (Pb), copper (Cu) and cadmium (Cd) is a major environmental issue, especially concerning food and groundwater security. Various studies demonstrated positive effects of S…